delete?

51 files changed, 0 insertions, 13288 deletions

diff --git a/ethereal/Makefile b/ethereal/Makefile
deleted file mode 100644
index 1acf03049..000000000
--- a/ethereal/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-UNAME = $(shell uname)
-FILES=qml *.png
-GOPATH=$(PWD)
-
-
-# Default is building
-all:
-	go get -d
-	cp *.go $(GOPATH)/src/github.com/ethereum/go-ethereum
-	cp -r ui $(GOPATH)/src/github.com/ethereum/go-ethereum
-	go build
-
-install:
-# Linux build
-ifeq ($(UNAME),Linux)
-	cp -r assets/* /usr/share/ethereal
-	cp go-ethereum /usr/local/bin/ethereal
-endif
-# OS X build
-ifeq ($(UNAME),Darwin)
-	# Execute py script
-endif
diff --git a/ethereal/assets/debugger/debugger.qml b/ethereal/assets/debugger/debugger.qml
deleted file mode 100644
index 3e653882c..000000000
--- a/ethereal/assets/debugger/debugger.qml
+++ /dev/null
@@ -1,270 +0,0 @@
-import QtQuick 2.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import QtQuick.Dialogs 1.0;
-import QtQuick.Window 2.1;
-import QtQuick.Controls.Styles 1.1
-import Ethereum 1.0
-
-ApplicationWindow {
-	visible: false
-	title: "IceCREAM"
-	minimumWidth: 1280
-	minimumHeight: 700
-	width: 1290
-	height: 700
-
-	property alias codeText: codeEditor.text
-	property alias dataText: rawDataField.text
-
-	MenuBar {
-		Menu {
-			title: "Debugger"
-			MenuItem {
-				text: "Run"
-				shortcut: "Ctrl+r"
-				onTriggered: debugCurrent()
-			}
-
-			MenuItem {
-				text: "Next"
-				shortcut: "Ctrl+n"
-				onTriggered: dbg.next()
-			}
-		}
-	}
-
-	SplitView {
-		anchors.fill: parent
-		property var asmModel: ListModel {
-			id: asmModel
-		}
-		TableView {
-			id: asmTableView
-			width: 200
-			TableViewColumn{ role: "value" ; title: "" ; width: 200 }
-			model: asmModel
-		}
-
-		Rectangle {
-			color: "#00000000"
-			anchors.left: asmTableView.right
-			anchors.right: parent.right
-			SplitView {
-				orientation: Qt.Vertical
-				anchors.fill: parent
-
-				Rectangle {
-					color: "#00000000"
-					height: 330
-					anchors.left: parent.left
-					anchors.right: parent.right
-
-					TextArea {
-						id: codeEditor
-						anchors.top: parent.top
-						anchors.bottom: parent.bottom
-						anchors.left: parent.left
-						anchors.right: settings.left
-					}
-
-					Column {
-						id: settings
-						spacing: 5
-						width: 300
-						height: parent.height
-						anchors.right: parent.right
-						anchors.top: parent.top
-						anchors.bottom: parent.bottom
-
-						Label {
-							text: "Arbitrary data"
-						}
-						TextArea {
-							id: rawDataField
-							anchors.left: parent.left
-							anchors.right: parent.right
-							height: 150
-						}
-
-						Label {
-							text: "Amount"
-						}
-						TextField {
-							id: txValue
-							width: 200
-							placeholderText: "Amount"
-							validator: RegExpValidator { regExp: /\d*/ }
-						}
-						Label {
-							text: "Amount of gas"
-						}
-						TextField {
-							id: txGas
-							width: 200
-							validator: RegExpValidator { regExp: /\d*/ }
-							text: "10000"
-							placeholderText: "Gas"
-						}
-						Label {
-							text: "Gas price"
-						}
-						TextField {
-							id: txGasPrice
-							width: 200
-							placeholderText: "Gas price"
-							text: "1000000000000"
-							validator: RegExpValidator { regExp: /\d*/ }
-						}
-					}
-				}
-
-				SplitView {
-					orientation: Qt.Vertical
-					id: inspectorPane
-					height: 500
-
-					SplitView {
-						orientation: Qt.Horizontal
-						height: 150
-
-						TableView {
-							id: stackTableView
-							property var stackModel: ListModel {
-								id: stackModel
-							}
-							height: parent.height
-							width: 300
-							TableViewColumn{ role: "value" ; title: "Temp" ; width: 200 }
-							model: stackModel
-						}
-
-						TableView {
-							id: memoryTableView
-							property var memModel: ListModel {
-								id: memModel
-							}
-							height: parent.height
-							width: parent.width - stackTableView.width
-							TableViewColumn{ id:mnumColmn ; role: "num" ; title: "#" ; width: 50}
-							TableViewColumn{ role: "value" ; title: "Memory" ; width: 750}
-							model: memModel
-						}
-					}
-
-					Rectangle {
-						height: 100
-						width: parent.width
-						TableView {
-							id: storageTableView
-							property var memModel: ListModel {
-								id: storageModel
-							}
-							height: parent.height
-							width: parent.width
-							TableViewColumn{ id: key ; role: "key" ; title: "#" ; width: storageTableView.width / 2}
-							TableViewColumn{ role: "value" ; title: "Storage" ; width:  storageTableView.width / 2}
-							model: storageModel
-						}
-					}
-
-					Rectangle {
-						height: 200
-						width: parent.width
-						TableView {
-							id: logTableView
-							property var logModel: ListModel {
-								id: logModel
-							}
-							height: parent.height
-							width: parent.width
-							TableViewColumn{ id: message ; role: "message" ; title: "log" ; width: logTableView.width }
-							model: logModel
-						}
-					}
-				}
-			}
-		}
-	}
-
-	toolBar: ToolBar {
-		RowLayout {
-			spacing: 5
-
-			Button {
-				property var enabled: true
-				id: debugStart
-				onClicked: {
-					debugCurrent()
-				}
-				text: "Debug"
-			}
-
-			Button {
-				property var enabled: true
-				id: debugNextButton
-				onClicked: {
-					dbg.next()
-				}
-				text: "Next"
-			}
-			CheckBox {
-				id: breakEachLine
-				objectName: "breakEachLine"
-				text: "Break each instruction"
-				checked: true
-			}
-		}
-	}
-
-	function debugCurrent() {
-		dbg.debug(txValue.text, txGas.text, txGasPrice.text, codeEditor.text, rawDataField.text)
-	}
-
-	function setAsm(asm) {
-		asmModel.append({asm: asm})
-	}
-
-	function clearAsm() {
-		asmModel.clear()
-	}
-
-	function setInstruction(num) {
-		asmTableView.selection.clear()
-		asmTableView.selection.select(num)
-	}
-
-	function setMem(mem) {
-		memModel.append({num: mem.num, value: mem.value})
-	}
-	function clearMem(){
-		memModel.clear()
-	}
-
-	function setStack(stack) {
-		stackModel.append({value: stack})
-	}
-	function addDebugMessage(message){
-		debuggerLog.append({value: message})
-	}
-
-	function clearStack() {
-		stackModel.clear()
-	}
-
-	function clearStorage() {
-		storageModel.clear()
-	}
-
-	function setStorage(storage) {
-		storageModel.append({key: storage.key, value: storage.value})
-	}
-
-	function setLog(msg) {
-		logModel.insert(0, {message: msg})
-	}
-
-	function clearLog() {
-		logModel.clear()
-	}
-}
diff --git a/ethereal/assets/ext/big.js b/ethereal/assets/ext/big.js
deleted file mode 100644
index db633fd2f..000000000
--- a/ethereal/assets/ext/big.js
+++ /dev/null
@@ -1,380 +0,0 @@
-var bigInt = (function () {
-    var base = 10000000, logBase = 7;
-    var sign = {
-        positive: false,
-        negative: true
-    };
-
-    var normalize = function (first, second) {
-        var a = first.value, b = second.value;
-        var length = a.length > b.length ? a.length : b.length;
-        for (var i = 0; i < length; i++) {
-            a[i] = a[i] || 0;
-            b[i] = b[i] || 0;
-        }
-        for (var i = length - 1; i >= 0; i--) {
-            if (a[i] === 0 && b[i] === 0) {
-                a.pop();
-                b.pop();
-            } else break;
-        }
-        if (!a.length) a = [0], b = [0];
-        first.value = a;
-        second.value = b;
-    };
-
-    var parse = function (text, first) {
-        if (typeof text === "object") return text;
-        text += "";
-        var s = sign.positive, value = [];
-        if (text[0] === "-") {
-            s = sign.negative;
-            text = text.slice(1);
-        }
-	var base = 10;
-        if (text.slice(0, 2) == "0x") {
-            base = 16;
-            text = text.slice(2);
-        }
-	else {
-	        var texts = text.split("e");
-		if (texts.length > 2) throw new Error("Invalid integer");
-		if (texts[1]) {
-		    var exp = texts[1];
-		    if (exp[0] === "+") exp = exp.slice(1);
-		    exp = parse(exp);
-		    if (exp.lesser(0)) throw new Error("Cannot include negative exponent part for integers");
-		    while (exp.notEquals(0)) {
-		        texts[0] += "0";
-		        exp = exp.prev();
-		    }
-		}
-	        text = texts[0];
-	}
-        if (text === "-0") text = "0";
-	text = text.toUpperCase();
-        var isValid = (base == 16 ? /^[0-9A-F]*$/ : /^[0-9]+$/).test(text);
-        if (!isValid) throw new Error("Invalid integer");
-	if (base == 16) {
-		var val = bigInt(0);
-		while (text.length) {
-			v = text.charCodeAt(0) - 48;
-			if (v > 9)
-				v -= 7;
-			text = text.slice(1);
-			val = val.times(16).plus(v);
-		}
-		return val;
-	}
-	else {
-		while (text.length) {
-		    var divider = text.length > logBase ? text.length - logBase : 0;
-		    value.push(+text.slice(divider));
-		    text = text.slice(0, divider);
-		}
-	        var val = bigInt(value, s);
-	        if (first) normalize(first, val);
-        	return val;
-	}
-    };
-
-    var goesInto = function (a, b) {
-        var a = bigInt(a, sign.positive), b = bigInt(b, sign.positive);
-        if (a.equals(0)) throw new Error("Cannot divide by 0");
-        var n = 0;
-        do {
-            var inc = 1;
-            var c = bigInt(a.value, sign.positive), t = c.times(10);
-            while (t.lesser(b)) {
-                c = t;
-                inc *= 10;
-                t = t.times(10);
-            }
-            while (c.lesserOrEquals(b)) {
-                b = b.minus(c);
-                n += inc;
-            }
-        } while (a.lesserOrEquals(b));
-
-        return {
-            remainder: b.value,
-            result: n
-        };
-    };
-
-    var bigInt = function (value, s) {
-        var self = {
-            value: value,
-            sign: s
-        };
-        var o = {
-            value: value,
-            sign: s,
-            negate: function (m) {
-                var first = m || self;
-                return bigInt(first.value, !first.sign);
-            },
-            abs: function (m) {
-                var first = m || self;
-                return bigInt(first.value, sign.positive);
-            },
-            add: function (n, m) {
-                var s, first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m));
-                else second = parse(n, first);
-                s = first.sign;
-                if (first.sign !== second.sign) {
-                    first = bigInt(first.value, sign.positive);
-                    second = bigInt(second.value, sign.positive);
-                    return s === sign.positive ?
-						o.subtract(first, second) :
-						o.subtract(second, first);
-                }
-                normalize(first, second);
-                var a = first.value, b = second.value;
-                var result = [],
-					carry = 0;
-                for (var i = 0; i < a.length || carry > 0; i++) {
-                    var sum = (a[i] || 0) + (b[i] || 0) + carry;
-                    carry = sum >= base ? 1 : 0;
-                    sum -= carry * base;
-                    result.push(sum);
-                }
-                return bigInt(result, s);
-            },
-            plus: function (n, m) {
-                return o.add(n, m);
-            },
-            subtract: function (n, m) {
-                var first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m));
-                else second = parse(n, first);
-                if (first.sign !== second.sign) return o.add(first, o.negate(second));
-                if (first.sign === sign.negative) return o.subtract(o.negate(second), o.negate(first));
-                if (o.compare(first, second) === -1) return o.negate(o.subtract(second, first));
-                var a = first.value, b = second.value;
-                var result = [],
-					borrow = 0;
-                for (var i = 0; i < a.length; i++) {
-                    var tmp = a[i] - borrow;
-                    borrow = tmp < b[i] ? 1 : 0;
-                    var minuend = (borrow * base) + tmp - b[i];
-                    result.push(minuend);
-                }
-                return bigInt(result, sign.positive);
-            },
-            minus: function (n, m) {
-                return o.subtract(n, m);
-            },
-            multiply: function (n, m) {
-                var s, first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m));
-                else second = parse(n, first);
-                s = first.sign !== second.sign;
-                var a = first.value, b = second.value;
-                var resultSum = [];
-                for (var i = 0; i < a.length; i++) {
-                    resultSum[i] = [];
-                    var j = i;
-                    while (j--) {
-                        resultSum[i].push(0);
-                    }
-                }
-                var carry = 0;
-                for (var i = 0; i < a.length; i++) {
-                    var x = a[i];
-                    for (var j = 0; j < b.length || carry > 0; j++) {
-                        var y = b[j];
-                        var product = y ? (x * y) + carry : carry;
-                        carry = product > base ? Math.floor(product / base) : 0;
-                        product -= carry * base;
-                        resultSum[i].push(product);
-                    }
-                }
-                var max = -1;
-                for (var i = 0; i < resultSum.length; i++) {
-                    var len = resultSum[i].length;
-                    if (len > max) max = len;
-                }
-                var result = [], carry = 0;
-                for (var i = 0; i < max || carry > 0; i++) {
-                    var sum = carry;
-                    for (var j = 0; j < resultSum.length; j++) {
-                        sum += resultSum[j][i] || 0;
-                    }
-                    carry = sum > base ? Math.floor(sum / base) : 0;
-                    sum -= carry * base;
-                    result.push(sum);
-                }
-                return bigInt(result, s);
-            },
-            times: function (n, m) {
-                return o.multiply(n, m);
-            },
-            divmod: function (n, m) {
-                var s, first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m));
-                else second = parse(n, first);
-                s = first.sign !== second.sign;
-                if (bigInt(first.value, first.sign).equals(0)) return {
-                    quotient: bigInt([0], sign.positive),
-                    remainder: bigInt([0], sign.positive)
-                };
-                if (second.equals(0)) throw new Error("Cannot divide by zero");
-                var a = first.value, b = second.value;
-                var result = [], remainder = [];
-                for (var i = a.length - 1; i >= 0; i--) {
-                    var n = [a[i]].concat(remainder);
-                    var quotient = goesInto(b, n);
-                    result.push(quotient.result);
-                    remainder = quotient.remainder;
-                }
-                result.reverse();
-                return {
-                    quotient: bigInt(result, s),
-                    remainder: bigInt(remainder, first.sign)
-                };
-            },
-            divide: function (n, m) {
-                return o.divmod(n, m).quotient;
-            },
-            over: function (n, m) {
-                return o.divide(n, m);
-            },
-            mod: function (n, m) {
-                return o.divmod(n, m).remainder;
-            },
-            pow: function (n, m) {
-                var first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m));
-                else second = parse(n, first);
-                var a = first, b = second;
-                if (b.lesser(0)) return ZERO;
-                if (b.equals(0)) return ONE;
-                var result = bigInt(a.value, a.sign);
-
-                if (b.mod(2).equals(0)) {
-                    var c = result.pow(b.over(2));
-                    return c.times(c);
-                } else {
-                    return result.times(result.pow(b.minus(1)));
-                }
-            },
-            next: function (m) {
-                var first = m || self;
-                return o.add(first, 1);
-            },
-            prev: function (m) {
-                var first = m || self;
-                return o.subtract(first, 1);
-            },
-            compare: function (n, m) {
-                var first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m, first));
-                else second = parse(n, first);
-                normalize(first, second);
-                if (first.value.length === 1 && second.value.length === 1 && first.value[0] === 0 && second.value[0] === 0) return 0;
-                if (second.sign !== first.sign) return first.sign === sign.positive ? 1 : -1;
-                var multiplier = first.sign === sign.positive ? 1 : -1;
-                var a = first.value, b = second.value;
-                for (var i = a.length - 1; i >= 0; i--) {
-                    if (a[i] > b[i]) return 1 * multiplier;
-                    if (b[i] > a[i]) return -1 * multiplier;
-                }
-                return 0;
-            },
-            compareAbs: function (n, m) {
-                var first = self, second;
-                if (m) (first = parse(n)) && (second = parse(m, first));
-                else second = parse(n, first);
-                first.sign = second.sign = sign.positive;
-                return o.compare(first, second);
-            },
-            equals: function (n, m) {
-                return o.compare(n, m) === 0;
-            },
-            notEquals: function (n, m) {
-                return !o.equals(n, m);
-            },
-            lesser: function (n, m) {
-                return o.compare(n, m) < 0;
-            },
-            greater: function (n, m) {
-                return o.compare(n, m) > 0;
-            },
-            greaterOrEquals: function (n, m) {
-                return o.compare(n, m) >= 0;
-            },
-            lesserOrEquals: function (n, m) {
-                return o.compare(n, m) <= 0;
-            },
-            isPositive: function (m) {
-                var first = m || self;
-                return first.sign === sign.positive;
-            },
-            isNegative: function (m) {
-                var first = m || self;
-                return first.sign === sign.negative;
-            },
-            isEven: function (m) {
-                var first = m || self;
-                return first.value[0] % 2 === 0;
-            },
-            isOdd: function (m) {
-                var first = m || self;
-                return first.value[0] % 2 === 1;
-            },
-            toString: function (m) {
-                var first = m || self;
-                var str = "", len = first.value.length;
-                while (len--) {
-                    if (first.value[len].toString().length === 8) str += first.value[len];
-                    else str += (base.toString() + first.value[len]).slice(-logBase);
-                }
-                while (str[0] === "0") {
-                    str = str.slice(1);
-                }
-                if (!str.length) str = "0";
-                var s = (first.sign === sign.positive || str == "0") ? "" : "-";
-                return s + str;
-            },
-            toHex: function (m) {
-                var first = m || self;
-                var str = "";
-				var l = this.abs();
-                while (l > 0) {
-					var qr = l.divmod(256);
-					var b = qr.remainder.toJSNumber();
-					str = (b >> 4).toString(16) + (b & 15).toString(16) + str;
-                    l = qr.quotient;
-                }
-                return (this.isNegative() ? "-" : "") + "0x" + str;
-            },
-            toJSNumber: function (m) {
-                return +o.toString(m);
-            },
-            valueOf: function (m) {
-                return o.toJSNumber(m);
-            }
-        };
-        return o;
-    };
-
-    var ZERO = bigInt([0], sign.positive);
-    var ONE = bigInt([1], sign.positive);
-    var MINUS_ONE = bigInt([1], sign.negative);
-
-    var fnReturn = function (a) {
-        if (typeof a === "undefined") return ZERO;
-        return parse(a);
-    };
-    fnReturn.zero = ZERO;
-    fnReturn.one = ONE;
-    fnReturn.minusOne = MINUS_ONE;
-    return fnReturn;
-})();
-
-if (typeof module !== "undefined") {
-    module.exports = bigInt;
-}
-
diff --git a/ethereal/assets/ext/ethereum.js b/ethereal/assets/ext/ethereum.js
deleted file mode 100644
index de6fb0255..000000000
--- a/ethereal/assets/ext/ethereum.js
+++ /dev/null
@@ -1,145 +0,0 @@
-// Main Ethereum library
-window.eth = {
-	prototype: Object(),
-
-	// Retrieve block
-	//
-	// Either supply a number or a string. Type is determent for the lookup method
-	// string - Retrieves the block by looking up the hash
-	// number - Retrieves the block by looking up the block number
-        getBlock: function(numberOrHash, cb) {
-                var func;
-                if(typeof numberOrHash == "string") {
-                        func =  "getBlockByHash";
-                } else {
-                        func =  "getBlockByNumber";
-                }
-                postData({call: func, args: [numberOrHash]}, cb);
-        },
-
-	// Create transaction
-	//
-	// Transact between two state objects
-	transact: function(sec, recipient, value, gas, gasPrice, data, cb) {
-		postData({call: "transact", args: [sec, recipient, value, gas, gasPrice, data]}, cb);
-	},
-
-	create: function(sec, value, gas, gasPrice, init, body, cb) {
-		postData({call: "create", args: [sec, value, gas, gasPrice, init, body]}, cb);
-	},
-
-	getStorageAt: function(address, storageAddress, cb) {
-		postData({call: "getStorage", args: [address, storageAddress]}, cb);
-	},
-
-	getStateKeyVals: function(address, cb){
-		postData({call: "getStateKeyVals", args: [address]}, cb);
-	},
-
-	getKey: function(cb) {
-		postData({call: "getKey"}, cb);
-	},
-
-	getTxCountAt: function(address, cb) {
-		postData({call: "getTxCountAt", args: [address]}, cb);
-	},
-	getIsMining: function(cb){
-		postData({call: "getIsMining"}, cb)
-	},
-	getIsListening: function(cb){
-		postData({call: "getIsListening"}, cb)
-	},
-	getCoinBase: function(cb){
-		postData({call: "getCoinBase"}, cb);
-	},
-	getPeerCount: function(cb){
-		postData({call: "getPeerCount"}, cb);
-	},
-	getBalanceAt: function(address, cb) {
-		postData({call: "getBalance", args: [address]}, cb);
-	},
-	getTransactionsFor: function(address, cb) {
-		postData({call: "getTransactionsFor", args: [address]}, cb);
-	},
-
-	getSecretToAddress: function(sec, cb) {
-		postData({call: "getSecretToAddress", args: [sec]}, cb);
-	},
-
-	watch: function(address, storageAddrOrCb, cb) {
-		var ev;
-		if(cb === undefined) {
-			cb = storageAddrOrCb;
-			storageAddrOrCb = "";
-			ev = "object:"+address;
-		} else {
-			ev = "storage:"+address+":"+storageAddrOrCb;
-		}
-
-		eth.on(ev, cb)
-
-		postData({call: "watch", args: [address, storageAddrOrCb]});
-	},
-
-	disconnect: function(address, storageAddrOrCb, cb) {
-		var ev;
-		if(cb === undefined) {
-			cb = storageAddrOrCb;
-			storageAddrOrCb = "";
-			ev = "object:"+address;
-		} else {
-			ev = "storage:"+address+":"+storageAddrOrCb;
-		}
-
-		eth.off(ev, cb)
-
-		postData({call: "disconnect", args: [address, storageAddrOrCb]});
-	},
-
-	set: function(props) {
-		postData({call: "set", args: props});
-	},
-
-	on: function(event, cb) {
-		if(eth._onCallbacks[event] === undefined) {
-			eth._onCallbacks[event] = [];
-		}
-
-		eth._onCallbacks[event].push(cb);
-
-		return this
-	},
-
-	off: function(event, cb) {
-		if(eth._onCallbacks[event] !== undefined) {
-			var callbacks = eth._onCallbacks[event];
-			for(var i = 0; i < callbacks.length; i++) {
-				if(callbacks[i] === cb) {
-					delete callbacks[i];
-				}
-			}
-		}
-
-		return this
-	},
-
-	trigger: function(event, data) {
-		var callbacks = eth._onCallbacks[event];
-		if(callbacks !== undefined) {
-			for(var i = 0; i < callbacks.length; i++) {
-				// Figure out whether the returned data was an array
-				// array means multiple return arguments (multiple params)
-				if(data instanceof Array) {
-					callbacks[i].apply(this, data);
-				} else {
-					callbacks[i].call(this, data);
-				}
-			}
-		}
-	},
-
-
-}
-window.eth._callbacks = {}
-window.eth._onCallbacks = {}
-
diff --git a/ethereal/assets/ext/pre.js b/ethereal/assets/ext/pre.js
deleted file mode 100644
index ca520f152..000000000
--- a/ethereal/assets/ext/pre.js
+++ /dev/null
@@ -1,58 +0,0 @@
-function debug(/**/) {
-	var args = arguments;
-	var msg = ""
-	for(var i = 0; i < args.length; i++){
-		if(typeof args[i] === "object") {
-			msg += " " + JSON.stringify(args[i])
-		} else {
-			msg += " " + args[i]
-		}
-	}
-
-	postData({call:"debug", args:[msg]})
-	document.getElementById("debug").innerHTML += "<br>" + msg
-}
-
-// Helper function for generating pseudo callbacks and sending data to the QML part of the application
-function postData(data, cb) {
-	data._seed = Math.floor(Math.random() * 1000000)
-	if(cb) {
-		eth._callbacks[data._seed] = cb;
-	}
-
-	if(data.args === undefined) {
-		data.args = [];
-	}
-
-	navigator.qt.postMessage(JSON.stringify(data));
-}
-
-navigator.qt.onmessage = function(ev) {
-	var data = JSON.parse(ev.data)
-
-	if(data._event !== undefined) {
-		eth.trigger(data._event, data.data);
-	} else {
-		if(data._seed) {
-			var cb = eth._callbacks[data._seed];
-			if(cb) {
-				// Figure out whether the returned data was an array
-				// array means multiple return arguments (multiple params)
-				if(data.data instanceof Array) {
-					cb.apply(this, data.data)
-				} else {
-					cb.call(this, data.data)
-				}
-
-				// Remove the "trigger" callback
-				delete eth._callbacks[ev._seed];
-			}
-		}
-	}
-}
-
-window.onerror = function(message, file, lineNumber, column, errorObj) {
-	debug(file, message, lineNumber+":"+column, errorObj);
-
-	return false;
-}
diff --git a/ethereal/assets/ext/string.js b/ethereal/assets/ext/string.js
deleted file mode 100644
index 2473b5c36..000000000
--- a/ethereal/assets/ext/string.js
+++ /dev/null
@@ -1,58 +0,0 @@
-String.prototype.pad = function(l, r) {
-	if (r === undefined) {
-		r = l
-		if (!(this.substr(0, 2) == "0x" || /^\d+$/.test(this)))
-			l = 0
-	}
-	var ret = this.bin();
-	while (ret.length < l)
-		ret = "\0" + ret
-	while (ret.length < r)
-		ret = ret + "\0"
-	return ret;
-}
-
-String.prototype.unpad = function() {
-	var i = this.length;
-	while (i && this[i - 1] == "\0")
-		--i
-	return this.substr(0, i)
-}
-
-String.prototype.bin = function() {
-	if (this.substr(0, 2) == "0x") {
-		bytes = []
-		var i = 2;
-
-		// Check if it's odd - pad with a zero if so.
-		if (this.length % 2)
-			bytes.push(parseInt(this.substr(i++, 1), 16))
-
-		for (; i < this.length - 1; i += 2)
-			bytes.push(parseInt(this.substr(i, 2), 16));
-
-		return String.fromCharCode.apply(String, bytes);
-	} else if (/^\d+$/.test(this))
-		return bigInt(this.substr(0)).toHex().bin()
-
-	// Otherwise we'll return the "String" object instead of an actual string
-	return this.substr(0, this.length)
-}
-
-String.prototype.unbin = function() {
-	var i, l, o = '';
-	for(i = 0, l = this.length; i < l; i++) {
-		var n = this.charCodeAt(i).toString(16);
-		o += n.length < 2 ? '0' + n : n;
-	}
-
-	return "0x" + o;
-}
-
-String.prototype.dec = function() {
-	return bigInt(this.substr(0)).toString()
-}
-
-String.prototype.hex = function() {
-	return bigInt(this.substr(0)).toHex()
-}
diff --git a/ethereal/assets/facet.png b/ethereal/assets/facet.png
deleted file mode 100644
index 49a266e96..000000000
--- a/ethereal/assets/facet.png
+++ /dev/null
diff --git a/ethereal/assets/heart.png b/ethereal/assets/heart.png
deleted file mode 100644
index 3c874ab7f..000000000
--- a/ethereal/assets/heart.png
+++ /dev/null
diff --git a/ethereal/assets/muted/codemirror.css b/ethereal/assets/muted/codemirror.css
deleted file mode 100644
index 098a317a2..000000000
--- a/ethereal/assets/muted/codemirror.css
+++ /dev/null
@@ -1,272 +0,0 @@
-/* BASICS */
-
-.CodeMirror {
-  /* Set height, width, borders, and global font properties here */
-  font-family: monospace;
-  height: 300px;
-}
-.CodeMirror-scroll {
-  /* Set scrolling behaviour here */
-  overflow: auto;
-}
-
-/* PADDING */
-
-.CodeMirror-lines {
-  padding: 4px 0; /* Vertical padding around content */
-}
-.CodeMirror pre {
-  padding: 0 4px; /* Horizontal padding of content */
-}
-
-.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
-  background-color: white; /* The little square between H and V scrollbars */
-}
-
-/* GUTTER */
-
-.CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
-  white-space: nowrap;
-}
-.CodeMirror-linenumbers {}
-.CodeMirror-linenumber {
-  padding: 0 3px 0 5px;
-  min-width: 20px;
-  text-align: right;
-  color: #999;
-  -moz-box-sizing: content-box;
-  box-sizing: content-box;
-}
-
-/* CURSOR */
-
-.CodeMirror div.CodeMirror-cursor {
-  border-left: 1px solid black;
-}
-/* Shown when moving in bi-directional text */
-.CodeMirror div.CodeMirror-secondarycursor {
-  border-left: 1px solid silver;
-}
-.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor {
-  width: auto;
-  border: 0;
-  background: #7e7;
-}
-/* Can style cursor different in overwrite (non-insert) mode */
-div.CodeMirror-overwrite div.CodeMirror-cursor {}
-
-.cm-tab { display: inline-block; }
-
-.CodeMirror-ruler {
-  border-left: 1px solid #ccc;
-  position: absolute;
-}
-
-/* DEFAULT THEME */
-
-.cm-s-default .cm-keyword {color: #708;}
-.cm-s-default .cm-atom {color: #219;}
-.cm-s-default .cm-number {color: #164;}
-.cm-s-default .cm-def {color: #00f;}
-.cm-s-default .cm-variable,
-.cm-s-default .cm-punctuation,
-.cm-s-default .cm-property,
-.cm-s-default .cm-operator {}
-.cm-s-default .cm-variable-2 {color: #05a;}
-.cm-s-default .cm-variable-3 {color: #085;}
-.cm-s-default .cm-comment {color: #a50;}
-.cm-s-default .cm-string {color: #a11;}
-.cm-s-default .cm-string-2 {color: #f50;}
-.cm-s-default .cm-meta {color: #555;}
-.cm-s-default .cm-qualifier {color: #555;}
-.cm-s-default .cm-builtin {color: #30a;}
-.cm-s-default .cm-bracket {color: #997;}
-.cm-s-default .cm-tag {color: #170;}
-.cm-s-default .cm-attribute {color: #00c;}
-.cm-s-default .cm-header {color: blue;}
-.cm-s-default .cm-quote {color: #090;}
-.cm-s-default .cm-hr {color: #999;}
-.cm-s-default .cm-link {color: #00c;}
-
-.cm-negative {color: #d44;}
-.cm-positive {color: #292;}
-.cm-header, .cm-strong {font-weight: bold;}
-.cm-em {font-style: italic;}
-.cm-link {text-decoration: underline;}
-
-.cm-s-default .cm-error {color: #f00;}
-.cm-invalidchar {color: #f00;}
-
-div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
-div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
-.CodeMirror-activeline-background {background: #e8f2ff;}
-
-/* STOP */
-
-/* The rest of this file contains styles related to the mechanics of
-   the editor. You probably shouldn't touch them. */
-
-.CodeMirror {
-  line-height: 1;
-  position: relative;
-  overflow: hidden;
-  background: white;
-  color: black;
-}
-
-.CodeMirror-scroll {
-  /* 30px is the magic margin used to hide the element's real scrollbars */
-  /* See overflow: hidden in .CodeMirror */
-  margin-bottom: -30px; margin-right: -30px;
-  padding-bottom: 30px;
-  height: 100%;
-  outline: none; /* Prevent dragging from highlighting the element */
-  position: relative;
-  -moz-box-sizing: content-box;
-  box-sizing: content-box;
-}
-.CodeMirror-sizer {
-  position: relative;
-  border-right: 30px solid transparent;
-  -moz-box-sizing: content-box;
-  box-sizing: content-box;
-}
-
-/* The fake, visible scrollbars. Used to force redraw during scrolling
-   before actuall scrolling happens, thus preventing shaking and
-   flickering artifacts. */
-.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
-  position: absolute;
-  z-index: 6;
-  display: none;
-}
-.CodeMirror-vscrollbar {
-  right: 0; top: 0;
-  overflow-x: hidden;
-  overflow-y: scroll;
-}
-.CodeMirror-hscrollbar {
-  bottom: 0; left: 0;
-  overflow-y: hidden;
-  overflow-x: scroll;
-}
-.CodeMirror-scrollbar-filler {
-  right: 0; bottom: 0;
-}
-.CodeMirror-gutter-filler {
-  left: 0; bottom: 0;
-}
-
-.CodeMirror-gutters {
-  position: absolute; left: 0; top: 0;
-  padding-bottom: 30px;
-  z-index: 3;
-}
-.CodeMirror-gutter {
-  white-space: normal;
-  height: 100%;
-  -moz-box-sizing: content-box;
-  box-sizing: content-box;
-  padding-bottom: 30px;
-  margin-bottom: -32px;
-  display: inline-block;
-  /* Hack to make IE7 behave */
-  *zoom:1;
-  *display:inline;
-}
-.CodeMirror-gutter-elt {
-  position: absolute;
-  cursor: default;
-  z-index: 4;
-}
-
-.CodeMirror-lines {
-  cursor: text;
-}
-.CodeMirror pre {
-  /* Reset some styles that the rest of the page might have set */
-  -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
-  border-width: 0;
-  background: transparent;
-  font-family: inherit;
-  font-size: inherit;
-  margin: 0;
-  white-space: pre;
-  word-wrap: normal;
-  line-height: inherit;
-  color: inherit;
-  z-index: 2;
-  position: relative;
-  overflow: visible;
-}
-.CodeMirror-wrap pre {
-  word-wrap: break-word;
-  white-space: pre-wrap;
-  word-break: normal;
-}
-
-.CodeMirror-linebackground {
-  position: absolute;
-  left: 0; right: 0; top: 0; bottom: 0;
-  z-index: 0;
-}
-
-.CodeMirror-linewidget {
-  position: relative;
-  z-index: 2;
-  overflow: auto;
-}
-
-.CodeMirror-widget {}
-
-.CodeMirror-wrap .CodeMirror-scroll {
-  overflow-x: hidden;
-}
-
-.CodeMirror-measure {
-  position: absolute;
-  width: 100%;
-  height: 0;
-  overflow: hidden;
-  visibility: hidden;
-}
-.CodeMirror-measure pre { position: static; }
-
-.CodeMirror div.CodeMirror-cursor {
-  position: absolute;
-  border-right: none;
-  width: 0;
-}
-
-div.CodeMirror-cursors {
-  visibility: hidden;
-  position: relative;
-  z-index: 1;
-}
-.CodeMirror-focused div.CodeMirror-cursors {
-  visibility: visible;
-}
-
-.CodeMirror-selected { background: #d9d9d9; }
-.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
-.CodeMirror-crosshair { cursor: crosshair; }
-
-.cm-searching {
-  background: #ffa;
-  background: rgba(255, 255, 0, .4);
-}
-
-/* IE7 hack to prevent it from returning funny offsetTops on the spans */
-.CodeMirror span { *vertical-align: text-bottom; }
-
-/* Used to force a border model for a node */
-.cm-force-border { padding-right: .1px; }
-
-@media print {
-  /* Hide the cursor when printing */
-  .CodeMirror div.CodeMirror-cursors {
-    visibility: hidden;
-  }
-}
diff --git a/ethereal/assets/muted/debugger.html b/ethereal/assets/muted/debugger.html
deleted file mode 100644
index b7552f030..000000000
--- a/ethereal/assets/muted/debugger.html
+++ /dev/null
@@ -1,53 +0,0 @@
-<!doctype>
-<html>
-<head>
-<style type="text/css">
-    html, body {
-        margin: 0; padding: 0;
-        min-height: 100%;
-    }
-
-    #debugger {
-	    height: 100%;
-	    font-family: "Monaco"
-    }
-    #debugger .line {
-	    overflow: none;
-    }
-    #debugger .col1, #debugger .col2 {
-	    float: left;
-	    padding: 3px;
-    }
-    #debugger .col1 {
-	    width: 10px;
-	    padding-left: 10px
-	    -webkit-touch-callout: none;
-	    -webkit-user-select: none;
-	    -khtml-user-select: none;
-	    -moz-user-select: none;
-	    -ms-user-select: none;
-	    user-select: none;
-    }
-    #debugger .col2 {
-	    width: 90%;
-    }
-    .prompt {
-	    color: "#5089D4";
-    }
-</style>
-
-</head>
-
-<body>
-<div id="debugger">
-	<div class="line">
-		<div class="col1 prompt">
-			&gt;
-		</div>
-		<div class="col2" contenteditable>
-		</div>
-	</div>
-</div>
-
-</body>
-</html>
diff --git a/ethereal/assets/muted/eclipse.css b/ethereal/assets/muted/eclipse.css
deleted file mode 100644
index 317218e3d..000000000
--- a/ethereal/assets/muted/eclipse.css
+++ /dev/null
@@ -1,23 +0,0 @@
-.cm-s-eclipse span.cm-meta {color: #FF1717;}
-.cm-s-eclipse span.cm-keyword { line-height: 1em; font-weight: bold; color: #7F0055; }
-.cm-s-eclipse span.cm-atom {color: #219;}
-.cm-s-eclipse span.cm-number {color: #164;}
-.cm-s-eclipse span.cm-def {color: #00f;}
-.cm-s-eclipse span.cm-variable {color: black;}
-.cm-s-eclipse span.cm-variable-2 {color: #0000C0;}
-.cm-s-eclipse span.cm-variable-3 {color: #0000C0;}
-.cm-s-eclipse span.cm-property {color: black;}
-.cm-s-eclipse span.cm-operator {color: black;}
-.cm-s-eclipse span.cm-comment {color: #3F7F5F;}
-.cm-s-eclipse span.cm-string {color: #2A00FF;}
-.cm-s-eclipse span.cm-string-2 {color: #f50;}
-.cm-s-eclipse span.cm-qualifier {color: #555;}
-.cm-s-eclipse span.cm-builtin {color: #30a;}
-.cm-s-eclipse span.cm-bracket {color: #cc7;}
-.cm-s-eclipse span.cm-tag {color: #170;}
-.cm-s-eclipse span.cm-attribute {color: #00c;}
-.cm-s-eclipse span.cm-link {color: #219;}
-.cm-s-eclipse span.cm-error {color: #f00;}
-
-.cm-s-eclipse .CodeMirror-activeline-background {background: #e8f2ff !important;}
-.cm-s-eclipse .CodeMirror-matchingbracket {outline:1px solid grey; color:black !important;}
diff --git a/ethereal/assets/muted/index.html b/ethereal/assets/muted/index.html
deleted file mode 100644
index 14949b5ac..000000000
--- a/ethereal/assets/muted/index.html
+++ /dev/null
@@ -1,80 +0,0 @@
-<!doctype>
-<html>
-<head>
-<title>Mutan Editor</title>
-<link rel="stylesheet" href="codemirror.css">
-<link rel="stylesheet" href="eclipse.css">
-<script src="lib/codemirror.js"></script>
-<script src="lib/matchbrackets.js"></script>
-<script src="lib/go.js"></script>
-<script src="muted.js"></script>
-
-<style type="text/css">
-    html, body {
-        margin: 0; padding: 0;
-        min-height: 100%;
-    }
-
-    #debugger {
-	    height: 30%;
-	    font-family: "Monaco";
-        border-top: 5px solid grey;
-    }
-    #debugger .line {
-	    overflow: none;
-    }
-    #debugger .col1, #debugger .col2 {
-	    float: left;
-	    padding: 3px;
-    }
-    #debugger .col1 {
-	    width: 10px;
-	    padding-left: 10px
-	    -webkit-touch-callout: none;
-	    -webkit-user-select: none;
-	    -khtml-user-select: none;
-	    -moz-user-select: none;
-	    -ms-user-select: none;
-	    user-select: none;
-    }
-    #debugger .col2 {
-	    width: 90%;
-    }
-    .prompt {
-	    color: "#5089D4";
-    }
-
-    .CodeMirror {
-        height: 70%;
-	font-size: 14pt;
-    }
-</style>
-</head>
-
-<body>
-<textarea id="editor"></textarea>
-
-<div id="debugger">
-	<div class="line">
-		<div class="col1 prompt">
-			&gt;
-		</div>
-		<div class="col2" contenteditable>
-		</div>
-	</div>
-</div>
-
-<script>
-    var textArea = document.querySelector("#editor")
-    var editor = CodeMirror.fromTextArea(textArea, {
-        theme: "eclipse",
-        mode: "text/html",
-        lineNumbers: true,
-        mode: "text/x-go",
-        indentUnit: 8,
-        tabSize: 8,
-        indentWithTabs: true,
-    });
-</script>
-</body>
-</html>
diff --git a/ethereal/assets/muted/lib/codemirror.js b/ethereal/assets/muted/lib/codemirror.js
deleted file mode 100644
index 0ab217711..000000000
--- a/ethereal/assets/muted/lib/codemirror.js
+++ /dev/null
@@ -1,7526 +0,0 @@
-// This is CodeMirror (http://codemirror.net), a code editor
-// implemented in JavaScript on top of the browser's DOM.
-//
-// You can find some technical background for some of the code below
-// at http://marijnhaverbeke.nl/blog/#cm-internals .
-
-(function(mod) {
-  if (typeof exports == "object" && typeof module == "object") // CommonJS
-    module.exports = mod();
-  else if (typeof define == "function" && define.amd) // AMD
-    return define([], mod);
-  else // Plain browser env
-    this.CodeMirror = mod();
-})(function() {
-  "use strict";
-
-  // BROWSER SNIFFING
-
-  // Kludges for bugs and behavior differences that can't be feature
-  // detected are enabled based on userAgent etc sniffing.
-
-  var gecko = /gecko\/\d/i.test(navigator.userAgent);
-  // ie_uptoN means Internet Explorer version N or lower
-  var ie_upto10 = /MSIE \d/.test(navigator.userAgent);
-  var ie_upto7 = ie_upto10 && (document.documentMode == null || document.documentMode < 8);
-  var ie_upto8 = ie_upto10 && (document.documentMode == null || document.documentMode < 9);
-  var ie_upto9 = ie_upto10 && (document.documentMode == null || document.documentMode < 10);
-  var ie_11up = /Trident\/([7-9]|\d{2,})\./.test(navigator.userAgent);
-  var ie = ie_upto10 || ie_11up;
-  var webkit = /WebKit\//.test(navigator.userAgent);
-  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
-  var chrome = /Chrome\//.test(navigator.userAgent);
-  var presto = /Opera\//.test(navigator.userAgent);
-  var safari = /Apple Computer/.test(navigator.vendor);
-  var khtml = /KHTML\//.test(navigator.userAgent);
-  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
-  var phantom = /PhantomJS/.test(navigator.userAgent);
-
-  var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
-  // This is woefully incomplete. Suggestions for alternative methods welcome.
-  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent);
-  var mac = ios || /Mac/.test(navigator.platform);
-  var windows = /win/i.test(navigator.platform);
-
-  var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/);
-  if (presto_version) presto_version = Number(presto_version[1]);
-  if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
-  // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
-  var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
-  var captureRightClick = gecko || (ie && !ie_upto8);
-
-  // Optimize some code when these features are not used.
-  var sawReadOnlySpans = false, sawCollapsedSpans = false;
-
-  // EDITOR CONSTRUCTOR
-
-  // A CodeMirror instance represents an editor. This is the object
-  // that user code is usually dealing with.
-
-  function CodeMirror(place, options) {
-    if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
-
-    this.options = options = options || {};
-    // Determine effective options based on given values and defaults.
-    copyObj(defaults, options, false);
-    setGuttersForLineNumbers(options);
-
-    var doc = options.value;
-    if (typeof doc == "string") doc = new Doc(doc, options.mode);
-    this.doc = doc;
-
-    var display = this.display = new Display(place, doc);
-    display.wrapper.CodeMirror = this;
-    updateGutters(this);
-    themeChanged(this);
-    if (options.lineWrapping)
-      this.display.wrapper.className += " CodeMirror-wrap";
-    if (options.autofocus && !mobile) focusInput(this);
-
-    this.state = {
-      keyMaps: [],  // stores maps added by addKeyMap
-      overlays: [], // highlighting overlays, as added by addOverlay
-      modeGen: 0,   // bumped when mode/overlay changes, used to invalidate highlighting info
-      overwrite: false, focused: false,
-      suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
-      pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in readInput
-      draggingText: false,
-      highlight: new Delayed() // stores highlight worker timeout
-    };
-
-    // Override magic textarea content restore that IE sometimes does
-    // on our hidden textarea on reload
-    if (ie_upto10) setTimeout(bind(resetInput, this, true), 20);
-
-    registerEventHandlers(this);
-
-    var cm = this;
-    runInOp(this, function() {
-      cm.curOp.forceUpdate = true;
-      attachDoc(cm, doc);
-
-      if ((options.autofocus && !mobile) || activeElt() == display.input)
-        setTimeout(bind(onFocus, cm), 20);
-      else
-        onBlur(cm);
-
-      for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt))
-        optionHandlers[opt](cm, options[opt], Init);
-      for (var i = 0; i < initHooks.length; ++i) initHooks[i](cm);
-    });
-  }
-
-  // DISPLAY CONSTRUCTOR
-
-  // The display handles the DOM integration, both for input reading
-  // and content drawing. It holds references to DOM nodes and
-  // display-related state.
-
-  function Display(place, doc) {
-    var d = this;
-
-    // The semihidden textarea that is focused when the editor is
-    // focused, and receives input.
-    var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none");
-    // The textarea is kept positioned near the cursor to prevent the
-    // fact that it'll be scrolled into view on input from scrolling
-    // our fake cursor out of view. On webkit, when wrap=off, paste is
-    // very slow. So make the area wide instead.
-    if (webkit) input.style.width = "1000px";
-    else input.setAttribute("wrap", "off");
-    // If border: 0; -- iOS fails to open keyboard (issue #1287)
-    if (ios) input.style.border = "1px solid black";
-    input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); input.setAttribute("spellcheck", "false");
-
-    // Wraps and hides input textarea
-    d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
-    // The fake scrollbar elements.
-    d.scrollbarH = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
-    d.scrollbarV = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
-    // Covers bottom-right square when both scrollbars are present.
-    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
-    // Covers bottom of gutter when coverGutterNextToScrollbar is on
-    // and h scrollbar is present.
-    d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
-    // Will contain the actual code, positioned to cover the viewport.
-    d.lineDiv = elt("div", null, "CodeMirror-code");
-    // Elements are added to these to represent selection and cursors.
-    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
-    d.cursorDiv = elt("div", null, "CodeMirror-cursors");
-    // A visibility: hidden element used to find the size of things.
-    d.measure = elt("div", null, "CodeMirror-measure");
-    // When lines outside of the viewport are measured, they are drawn in this.
-    d.lineMeasure = elt("div", null, "CodeMirror-measure");
-    // Wraps everything that needs to exist inside the vertically-padded coordinate system
-    d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
-                      null, "position: relative; outline: none");
-    // Moved around its parent to cover visible view.
-    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
-    // Set to the height of the document, allowing scrolling.
-    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
-    // Behavior of elts with overflow: auto and padding is
-    // inconsistent across browsers. This is used to ensure the
-    // scrollable area is big enough.
-    d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerCutOff + "px; width: 1px;");
-    // Will contain the gutters, if any.
-    d.gutters = elt("div", null, "CodeMirror-gutters");
-    d.lineGutter = null;
-    // Actual scrollable element.
-    d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
-    d.scroller.setAttribute("tabIndex", "-1");
-    // The element in which the editor lives.
-    d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
-                            d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
-
-    // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
-    if (ie_upto7) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
-    // Needed to hide big blue blinking cursor on Mobile Safari
-    if (ios) input.style.width = "0px";
-    if (!webkit) d.scroller.draggable = true;
-    // Needed to handle Tab key in KHTML
-    if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
-    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
-    if (ie_upto7) d.scrollbarH.style.minHeight = d.scrollbarV.style.minWidth = "18px";
-
-    if (place.appendChild) place.appendChild(d.wrapper);
-    else place(d.wrapper);
-
-    // Current rendered range (may be bigger than the view window).
-    d.viewFrom = d.viewTo = doc.first;
-    // Information about the rendered lines.
-    d.view = [];
-    // Holds info about a single rendered line when it was rendered
-    // for measurement, while not in view.
-    d.externalMeasured = null;
-    // Empty space (in pixels) above the view
-    d.viewOffset = 0;
-    d.lastSizeC = 0;
-    d.updateLineNumbers = null;
-
-    // Used to only resize the line number gutter when necessary (when
-    // the amount of lines crosses a boundary that makes its width change)
-    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
-    // See readInput and resetInput
-    d.prevInput = "";
-    // Set to true when a non-horizontal-scrolling line widget is
-    // added. As an optimization, line widget aligning is skipped when
-    // this is false.
-    d.alignWidgets = false;
-    // Flag that indicates whether we expect input to appear real soon
-    // now (after some event like 'keypress' or 'input') and are
-    // polling intensively.
-    d.pollingFast = false;
-    // Self-resetting timeout for the poller
-    d.poll = new Delayed();
-
-    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
-
-    // Tracks when resetInput has punted to just putting a short
-    // string into the textarea instead of the full selection.
-    d.inaccurateSelection = false;
-
-    // Tracks the maximum line length so that the horizontal scrollbar
-    // can be kept static when scrolling.
-    d.maxLine = null;
-    d.maxLineLength = 0;
-    d.maxLineChanged = false;
-
-    // Used for measuring wheel scrolling granularity
-    d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
-
-    // True when shift is held down.
-    d.shift = false;
-  }
-
-  // STATE UPDATES
-
-  // Used to get the editor into a consistent state again when options change.
-
-  function loadMode(cm) {
-    cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
-    resetModeState(cm);
-  }
-
-  function resetModeState(cm) {
-    cm.doc.iter(function(line) {
-      if (line.stateAfter) line.stateAfter = null;
-      if (line.styles) line.styles = null;
-    });
-    cm.doc.frontier = cm.doc.first;
-    startWorker(cm, 100);
-    cm.state.modeGen++;
-    if (cm.curOp) regChange(cm);
-  }
-
-  function wrappingChanged(cm) {
-    if (cm.options.lineWrapping) {
-      addClass(cm.display.wrapper, "CodeMirror-wrap");
-      cm.display.sizer.style.minWidth = "";
-    } else {
-      rmClass(cm.display.wrapper, "CodeMirror-wrap");
-      findMaxLine(cm);
-    }
-    estimateLineHeights(cm);
-    regChange(cm);
-    clearCaches(cm);
-    setTimeout(function(){updateScrollbars(cm);}, 100);
-  }
-
-  // Returns a function that estimates the height of a line, to use as
-  // first approximation until the line becomes visible (and is thus
-  // properly measurable).
-  function estimateHeight(cm) {
-    var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
-    var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
-    return function(line) {
-      if (lineIsHidden(cm.doc, line)) return 0;
-
-      var widgetsHeight = 0;
-      if (line.widgets) for (var i = 0; i < line.widgets.length; i++) {
-        if (line.widgets[i].height) widgetsHeight += line.widgets[i].height;
-      }
-
-      if (wrapping)
-        return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th;
-      else
-        return widgetsHeight + th;
-    };
-  }
-
-  function estimateLineHeights(cm) {
-    var doc = cm.doc, est = estimateHeight(cm);
-    doc.iter(function(line) {
-      var estHeight = est(line);
-      if (estHeight != line.height) updateLineHeight(line, estHeight);
-    });
-  }
-
-  function keyMapChanged(cm) {
-    var map = keyMap[cm.options.keyMap], style = map.style;
-    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") +
-      (style ? " cm-keymap-" + style : "");
-  }
-
-  function themeChanged(cm) {
-    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
-      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
-    clearCaches(cm);
-  }
-
-  function guttersChanged(cm) {
-    updateGutters(cm);
-    regChange(cm);
-    setTimeout(function(){alignHorizontally(cm);}, 20);
-  }
-
-  // Rebuild the gutter elements, ensure the margin to the left of the
-  // code matches their width.
-  function updateGutters(cm) {
-    var gutters = cm.display.gutters, specs = cm.options.gutters;
-    removeChildren(gutters);
-    for (var i = 0; i < specs.length; ++i) {
-      var gutterClass = specs[i];
-      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
-      if (gutterClass == "CodeMirror-linenumbers") {
-        cm.display.lineGutter = gElt;
-        gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
-      }
-    }
-    gutters.style.display = i ? "" : "none";
-    updateGutterSpace(cm);
-  }
-
-  function updateGutterSpace(cm) {
-    var width = cm.display.gutters.offsetWidth;
-    cm.display.sizer.style.marginLeft = width + "px";
-    cm.display.scrollbarH.style.left = cm.options.fixedGutter ? width + "px" : 0;
-  }
-
-  // Compute the character length of a line, taking into account
-  // collapsed ranges (see markText) that might hide parts, and join
-  // other lines onto it.
-  function lineLength(line) {
-    if (line.height == 0) return 0;
-    var len = line.text.length, merged, cur = line;
-    while (merged = collapsedSpanAtStart(cur)) {
-      var found = merged.find(0, true);
-      cur = found.from.line;
-      len += found.from.ch - found.to.ch;
-    }
-    cur = line;
-    while (merged = collapsedSpanAtEnd(cur)) {
-      var found = merged.find(0, true);
-      len -= cur.text.length - found.from.ch;
-      cur = found.to.line;
-      len += cur.text.length - found.to.ch;
-    }
-    return len;
-  }
-
-  // Find the longest line in the document.
-  function findMaxLine(cm) {
-    var d = cm.display, doc = cm.doc;
-    d.maxLine = getLine(doc, doc.first);
-    d.maxLineLength = lineLength(d.maxLine);
-    d.maxLineChanged = true;
-    doc.iter(function(line) {
-      var len = lineLength(line);
-      if (len > d.maxLineLength) {
-        d.maxLineLength = len;
-        d.maxLine = line;
-      }
-    });
-  }
-
-  // Make sure the gutters options contains the element
-  // "CodeMirror-linenumbers" when the lineNumbers option is true.
-  function setGuttersForLineNumbers(options) {
-    var found = indexOf(options.gutters, "CodeMirror-linenumbers");
-    if (found == -1 && options.lineNumbers) {
-      options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
-    } else if (found > -1 && !options.lineNumbers) {
-      options.gutters = options.gutters.slice(0);
-      options.gutters.splice(found, 1);
-    }
-  }
-
-  // SCROLLBARS
-
-  // Prepare DOM reads needed to update the scrollbars. Done in one
-  // shot to minimize update/measure roundtrips.
-  function measureForScrollbars(cm) {
-    var scroll = cm.display.scroller;
-    return {
-      clientHeight: scroll.clientHeight,
-      barHeight: cm.display.scrollbarV.clientHeight,
-      scrollWidth: scroll.scrollWidth, clientWidth: scroll.clientWidth,
-      barWidth: cm.display.scrollbarH.clientWidth,
-      docHeight: Math.round(cm.doc.height + paddingVert(cm.display))
-    };
-  }
-
-  // Re-synchronize the fake scrollbars with the actual size of the
-  // content.
-  function updateScrollbars(cm, measure) {
-    if (!measure) measure = measureForScrollbars(cm);
-    var d = cm.display;
-    var scrollHeight = measure.docHeight + scrollerCutOff;
-    var needsH = measure.scrollWidth > measure.clientWidth;
-    var needsV = scrollHeight > measure.clientHeight;
-    if (needsV) {
-      d.scrollbarV.style.display = "block";
-      d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0";
-      // A bug in IE8 can cause this value to be negative, so guard it.
-      d.scrollbarV.firstChild.style.height =
-        Math.max(0, scrollHeight - measure.clientHeight + (measure.barHeight || d.scrollbarV.clientHeight)) + "px";
-    } else {
-      d.scrollbarV.style.display = "";
-      d.scrollbarV.firstChild.style.height = "0";
-    }
-    if (needsH) {
-      d.scrollbarH.style.display = "block";
-      d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0";
-      d.scrollbarH.firstChild.style.width =
-        (measure.scrollWidth - measure.clientWidth + (measure.barWidth || d.scrollbarH.clientWidth)) + "px";
-    } else {
-      d.scrollbarH.style.display = "";
-      d.scrollbarH.firstChild.style.width = "0";
-    }
-    if (needsH && needsV) {
-      d.scrollbarFiller.style.display = "block";
-      d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px";
-    } else d.scrollbarFiller.style.display = "";
-    if (needsH && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
-      d.gutterFiller.style.display = "block";
-      d.gutterFiller.style.height = scrollbarWidth(d.measure) + "px";
-      d.gutterFiller.style.width = d.gutters.offsetWidth + "px";
-    } else d.gutterFiller.style.display = "";
-
-    if (!cm.state.checkedOverlayScrollbar && measure.clientHeight > 0) {
-      if (scrollbarWidth(d.measure) === 0) {
-        var w = mac && !mac_geMountainLion ? "12px" : "18px";
-        d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = w;
-        var barMouseDown = function(e) {
-          if (e_target(e) != d.scrollbarV && e_target(e) != d.scrollbarH)
-            operation(cm, onMouseDown)(e);
-        };
-        on(d.scrollbarV, "mousedown", barMouseDown);
-        on(d.scrollbarH, "mousedown", barMouseDown);
-      }
-      cm.state.checkedOverlayScrollbar = true;
-    }
-  }
-
-  // Compute the lines that are visible in a given viewport (defaults
-  // the the current scroll position). viewPort may contain top,
-  // height, and ensure (see op.scrollToPos) properties.
-  function visibleLines(display, doc, viewPort) {
-    var top = viewPort && viewPort.top != null ? viewPort.top : display.scroller.scrollTop;
-    top = Math.floor(top - paddingTop(display));
-    var bottom = viewPort && viewPort.bottom != null ? viewPort.bottom : top + display.wrapper.clientHeight;
-
-    var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
-    // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
-    // forces those lines into the viewport (if possible).
-    if (viewPort && viewPort.ensure) {
-      var ensureFrom = viewPort.ensure.from.line, ensureTo = viewPort.ensure.to.line;
-      if (ensureFrom < from)
-        return {from: ensureFrom,
-                to: lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight)};
-      if (Math.min(ensureTo, doc.lastLine()) >= to)
-        return {from: lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight),
-                to: ensureTo};
-    }
-    return {from: from, to: to};
-  }
-
-  // LINE NUMBERS
-
-  // Re-align line numbers and gutter marks to compensate for
-  // horizontal scrolling.
-  function alignHorizontally(cm) {
-    var display = cm.display, view = display.view;
-    if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return;
-    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
-    var gutterW = display.gutters.offsetWidth, left = comp + "px";
-    for (var i = 0; i < view.length; i++) if (!view[i].hidden) {
-      if (cm.options.fixedGutter && view[i].gutter)
-        view[i].gutter.style.left = left;
-      var align = view[i].alignable;
-      if (align) for (var j = 0; j < align.length; j++)
-        align[j].style.left = left;
-    }
-    if (cm.options.fixedGutter)
-      display.gutters.style.left = (comp + gutterW) + "px";
-  }
-
-  // Used to ensure that the line number gutter is still the right
-  // size for the current document size. Returns true when an update
-  // is needed.
-  function maybeUpdateLineNumberWidth(cm) {
-    if (!cm.options.lineNumbers) return false;
-    var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
-    if (last.length != display.lineNumChars) {
-      var test = display.measure.appendChild(elt("div", [elt("div", last)],
-                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
-      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
-      display.lineGutter.style.width = "";
-      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding);
-      display.lineNumWidth = display.lineNumInnerWidth + padding;
-      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
-      display.lineGutter.style.width = display.lineNumWidth + "px";
-      updateGutterSpace(cm);
-      return true;
-    }
-    return false;
-  }
-
-  function lineNumberFor(options, i) {
-    return String(options.lineNumberFormatter(i + options.firstLineNumber));
-  }
-
-  // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
-  // but using getBoundingClientRect to get a sub-pixel-accurate
-  // result.
-  function compensateForHScroll(display) {
-    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
-  }
-
-  // DISPLAY DRAWING
-
-  // Updates the display, selection, and scrollbars, using the
-  // information in display.view to find out which nodes are no longer
-  // up-to-date. Tries to bail out early when no changes are needed,
-  // unless forced is true.
-  // Returns true if an actual update happened, false otherwise.
-  function updateDisplay(cm, viewPort, forced) {
-    var oldFrom = cm.display.viewFrom, oldTo = cm.display.viewTo, updated;
-    var visible = visibleLines(cm.display, cm.doc, viewPort);
-    for (var first = true;; first = false) {
-      var oldWidth = cm.display.scroller.clientWidth;
-      if (!updateDisplayInner(cm, visible, forced)) break;
-      updated = true;
-
-      // If the max line changed since it was last measured, measure it,
-      // and ensure the document's width matches it.
-      if (cm.display.maxLineChanged && !cm.options.lineWrapping)
-        adjustContentWidth(cm);
-
-      var barMeasure = measureForScrollbars(cm);
-      updateSelection(cm);
-      setDocumentHeight(cm, barMeasure);
-      updateScrollbars(cm, barMeasure);
-      if (webkit && cm.options.lineWrapping)
-        checkForWebkitWidthBug(cm, barMeasure); // (Issue #2420)
-      if (first && cm.options.lineWrapping && oldWidth != cm.display.scroller.clientWidth) {
-        forced = true;
-        continue;
-      }
-      forced = false;
-
-      // Clip forced viewport to actual scrollable area.
-      if (viewPort && viewPort.top != null)
-        viewPort = {top: Math.min(barMeasure.docHeight - scrollerCutOff - barMeasure.clientHeight, viewPort.top)};
-      // Updated line heights might result in the drawn area not
-      // actually covering the viewport. Keep looping until it does.
-      visible = visibleLines(cm.display, cm.doc, viewPort);
-      if (visible.from >= cm.display.viewFrom && visible.to <= cm.display.viewTo)
-        break;
-    }
-
-    cm.display.updateLineNumbers = null;
-    if (updated) {
-      signalLater(cm, "update", cm);
-      if (cm.display.viewFrom != oldFrom || cm.display.viewTo != oldTo)
-        signalLater(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
-    }
-    return updated;
-  }
-
-  // Does the actual updating of the line display. Bails out
-  // (returning false) when there is nothing to be done and forced is
-  // false.
-  function updateDisplayInner(cm, visible, forced) {
-    var display = cm.display, doc = cm.doc;
-    if (!display.wrapper.offsetWidth) {
-      resetView(cm);
-      return;
-    }
-
-    // Bail out if the visible area is already rendered and nothing changed.
-    if (!forced && visible.from >= display.viewFrom && visible.to <= display.viewTo &&
-        countDirtyView(cm) == 0)
-      return;
-
-    if (maybeUpdateLineNumberWidth(cm))
-      resetView(cm);
-    var dims = getDimensions(cm);
-
-    // Compute a suitable new viewport (from & to)
-    var end = doc.first + doc.size;
-    var from = Math.max(visible.from - cm.options.viewportMargin, doc.first);
-    var to = Math.min(end, visible.to + cm.options.viewportMargin);
-    if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom);
-    if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo);
-    if (sawCollapsedSpans) {
-      from = visualLineNo(cm.doc, from);
-      to = visualLineEndNo(cm.doc, to);
-    }
-
-    var different = from != display.viewFrom || to != display.viewTo ||
-      display.lastSizeC != display.wrapper.clientHeight;
-    adjustView(cm, from, to);
-
-    display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
-    // Position the mover div to align with the current scroll position
-    cm.display.mover.style.top = display.viewOffset + "px";
-
-    var toUpdate = countDirtyView(cm);
-    if (!different && toUpdate == 0 && !forced) return;
-
-    // For big changes, we hide the enclosing element during the
-    // update, since that speeds up the operations on most browsers.
-    var focused = activeElt();
-    if (toUpdate > 4) display.lineDiv.style.display = "none";
-    patchDisplay(cm, display.updateLineNumbers, dims);
-    if (toUpdate > 4) display.lineDiv.style.display = "";
-    // There might have been a widget with a focused element that got
-    // hidden or updated, if so re-focus it.
-    if (focused && activeElt() != focused && focused.offsetHeight) focused.focus();
-
-    // Prevent selection and cursors from interfering with the scroll
-    // width.
-    removeChildren(display.cursorDiv);
-    removeChildren(display.selectionDiv);
-
-    if (different) {
-      display.lastSizeC = display.wrapper.clientHeight;
-      startWorker(cm, 400);
-    }
-
-    updateHeightsInViewport(cm);
-
-    return true;
-  }
-
-  function adjustContentWidth(cm) {
-    var display = cm.display;
-    var width = measureChar(cm, display.maxLine, display.maxLine.text.length).left;
-    display.maxLineChanged = false;
-    var minWidth = Math.max(0, width + 3);
-    var maxScrollLeft = Math.max(0, display.sizer.offsetLeft + minWidth + scrollerCutOff - display.scroller.clientWidth);
-    display.sizer.style.minWidth = minWidth + "px";
-    if (maxScrollLeft < cm.doc.scrollLeft)
-      setScrollLeft(cm, Math.min(display.scroller.scrollLeft, maxScrollLeft), true);
-  }
-
-  function setDocumentHeight(cm, measure) {
-    cm.display.sizer.style.minHeight = cm.display.heightForcer.style.top = measure.docHeight + "px";
-    cm.display.gutters.style.height = Math.max(measure.docHeight, measure.clientHeight - scrollerCutOff) + "px";
-  }
-
-
-  function checkForWebkitWidthBug(cm, measure) {
-    // Work around Webkit bug where it sometimes reserves space for a
-    // non-existing phantom scrollbar in the scroller (Issue #2420)
-    if (cm.display.sizer.offsetWidth + cm.display.gutters.offsetWidth < cm.display.scroller.clientWidth - 1) {
-      cm.display.sizer.style.minHeight = cm.display.heightForcer.style.top = "0px";
-      cm.display.gutters.style.height = measure.docHeight + "px";
-    }
-  }
-
-  // Read the actual heights of the rendered lines, and update their
-  // stored heights to match.
-  function updateHeightsInViewport(cm) {
-    var display = cm.display;
-    var prevBottom = display.lineDiv.offsetTop;
-    for (var i = 0; i < display.view.length; i++) {
-      var cur = display.view[i], height;
-      if (cur.hidden) continue;
-      if (ie_upto7) {
-        var bot = cur.node.offsetTop + cur.node.offsetHeight;
-        height = bot - prevBottom;
-        prevBottom = bot;
-      } else {
-        var box = cur.node.getBoundingClientRect();
-        height = box.bottom - box.top;
-      }
-      var diff = cur.line.height - height;
-      if (height < 2) height = textHeight(display);
-      if (diff > .001 || diff < -.001) {
-        updateLineHeight(cur.line, height);
-        updateWidgetHeight(cur.line);
-        if (cur.rest) for (var j = 0; j < cur.rest.length; j++)
-          updateWidgetHeight(cur.rest[j]);
-      }
-    }
-  }
-
-  // Read and store the height of line widgets associated with the
-  // given line.
-  function updateWidgetHeight(line) {
-    if (line.widgets) for (var i = 0; i < line.widgets.length; ++i)
-      line.widgets[i].height = line.widgets[i].node.offsetHeight;
-  }
-
-  // Do a bulk-read of the DOM positions and sizes needed to draw the
-  // view, so that we don't interleave reading and writing to the DOM.
-  function getDimensions(cm) {
-    var d = cm.display, left = {}, width = {};
-    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
-      left[cm.options.gutters[i]] = n.offsetLeft;
-      width[cm.options.gutters[i]] = n.offsetWidth;
-    }
-    return {fixedPos: compensateForHScroll(d),
-            gutterTotalWidth: d.gutters.offsetWidth,
-            gutterLeft: left,
-            gutterWidth: width,
-            wrapperWidth: d.wrapper.clientWidth};
-  }
-
-  // Sync the actual display DOM structure with display.view, removing
-  // nodes for lines that are no longer in view, and creating the ones
-  // that are not there yet, and updating the ones that are out of
-  // date.
-  function patchDisplay(cm, updateNumbersFrom, dims) {
-    var display = cm.display, lineNumbers = cm.options.lineNumbers;
-    var container = display.lineDiv, cur = container.firstChild;
-
-    function rm(node) {
-      var next = node.nextSibling;
-      // Works around a throw-scroll bug in OS X Webkit
-      if (webkit && mac && cm.display.currentWheelTarget == node)
-        node.style.display = "none";
-      else
-        node.parentNode.removeChild(node);
-      return next;
-    }
-
-    var view = display.view, lineN = display.viewFrom;
-    // Loop over the elements in the view, syncing cur (the DOM nodes
-    // in display.lineDiv) with the view as we go.
-    for (var i = 0; i < view.length; i++) {
-      var lineView = view[i];
-      if (lineView.hidden) {
-      } else if (!lineView.node) { // Not drawn yet
-        var node = buildLineElement(cm, lineView, lineN, dims);
-        container.insertBefore(node, cur);
-      } else { // Already drawn
-        while (cur != lineView.node) cur = rm(cur);
-        var updateNumber = lineNumbers && updateNumbersFrom != null &&
-          updateNumbersFrom <= lineN && lineView.lineNumber;
-        if (lineView.changes) {
-          if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false;
-          updateLineForChanges(cm, lineView, lineN, dims);
-        }
-        if (updateNumber) {
-          removeChildren(lineView.lineNumber);
-          lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
-        }
-        cur = lineView.node.nextSibling;
-      }
-      lineN += lineView.size;
-    }
-    while (cur) cur = rm(cur);
-  }
-
-  // When an aspect of a line changes, a string is added to
-  // lineView.changes. This updates the relevant part of the line's
-  // DOM structure.
-  function updateLineForChanges(cm, lineView, lineN, dims) {
-    for (var j = 0; j < lineView.changes.length; j++) {
-      var type = lineView.changes[j];
-      if (type == "text") updateLineText(cm, lineView);
-      else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims);
-      else if (type == "class") updateLineClasses(lineView);
-      else if (type == "widget") updateLineWidgets(lineView, dims);
-    }
-    lineView.changes = null;
-  }
-
-  // Lines with gutter elements, widgets or a background class need to
-  // be wrapped, and have the extra elements added to the wrapper div
-  function ensureLineWrapped(lineView) {
-    if (lineView.node == lineView.text) {
-      lineView.node = elt("div", null, null, "position: relative");
-      if (lineView.text.parentNode)
-        lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
-      lineView.node.appendChild(lineView.text);
-      if (ie_upto7) lineView.node.style.zIndex = 2;
-    }
-    return lineView.node;
-  }
-
-  function updateLineBackground(lineView) {
-    var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
-    if (cls) cls += " CodeMirror-linebackground";
-    if (lineView.background) {
-      if (cls) lineView.background.className = cls;
-      else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
-    } else if (cls) {
-      var wrap = ensureLineWrapped(lineView);
-      lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
-    }
-  }
-
-  // Wrapper around buildLineContent which will reuse the structure
-  // in display.externalMeasured when possible.
-  function getLineContent(cm, lineView) {
-    var ext = cm.display.externalMeasured;
-    if (ext && ext.line == lineView.line) {
-      cm.display.externalMeasured = null;
-      lineView.measure = ext.measure;
-      return ext.built;
-    }
-    return buildLineContent(cm, lineView);
-  }
-
-  // Redraw the line's text. Interacts with the background and text
-  // classes because the mode may output tokens that influence these
-  // classes.
-  function updateLineText(cm, lineView) {
-    var cls = lineView.text.className;
-    var built = getLineContent(cm, lineView);
-    if (lineView.text == lineView.node) lineView.node = built.pre;
-    lineView.text.parentNode.replaceChild(built.pre, lineView.text);
-    lineView.text = built.pre;
-    if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
-      lineView.bgClass = built.bgClass;
-      lineView.textClass = built.textClass;
-      updateLineClasses(lineView);
-    } else if (cls) {
-      lineView.text.className = cls;
-    }
-  }
-
-  function updateLineClasses(lineView) {
-    updateLineBackground(lineView);
-    if (lineView.line.wrapClass)
-      ensureLineWrapped(lineView).className = lineView.line.wrapClass;
-    else if (lineView.node != lineView.text)
-      lineView.node.className = "";
-    var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
-    lineView.text.className = textClass || "";
-  }
-
-  function updateLineGutter(cm, lineView, lineN, dims) {
-    if (lineView.gutter) {
-      lineView.node.removeChild(lineView.gutter);
-      lineView.gutter = null;
-    }
-    var markers = lineView.line.gutterMarkers;
-    if (cm.options.lineNumbers || markers) {
-      var wrap = ensureLineWrapped(lineView);
-      var gutterWrap = lineView.gutter =
-        wrap.insertBefore(elt("div", null, "CodeMirror-gutter-wrapper", "position: absolute; left: " +
-                              (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"),
-                          lineView.text);
-      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
-        lineView.lineNumber = gutterWrap.appendChild(
-          elt("div", lineNumberFor(cm.options, lineN),
-              "CodeMirror-linenumber CodeMirror-gutter-elt",
-              "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
-              + cm.display.lineNumInnerWidth + "px"));
-      if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) {
-        var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
-        if (found)
-          gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
-                                     dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
-      }
-    }
-  }
-
-  function updateLineWidgets(lineView, dims) {
-    if (lineView.alignable) lineView.alignable = null;
-    for (var node = lineView.node.firstChild, next; node; node = next) {
-      var next = node.nextSibling;
-      if (node.className == "CodeMirror-linewidget")
-        lineView.node.removeChild(node);
-    }
-    insertLineWidgets(lineView, dims);
-  }
-
-  // Build a line's DOM representation from scratch
-  function buildLineElement(cm, lineView, lineN, dims) {
-    var built = getLineContent(cm, lineView);
-    lineView.text = lineView.node = built.pre;
-    if (built.bgClass) lineView.bgClass = built.bgClass;
-    if (built.textClass) lineView.textClass = built.textClass;
-
-    updateLineClasses(lineView);
-    updateLineGutter(cm, lineView, lineN, dims);
-    insertLineWidgets(lineView, dims);
-    return lineView.node;
-  }
-
-  // A lineView may contain multiple logical lines (when merged by
-  // collapsed spans). The widgets for all of them need to be drawn.
-  function insertLineWidgets(lineView, dims) {
-    insertLineWidgetsFor(lineView.line, lineView, dims, true);
-    if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
-      insertLineWidgetsFor(lineView.rest[i], lineView, dims, false);
-  }
-
-  function insertLineWidgetsFor(line, lineView, dims, allowAbove) {
-    if (!line.widgets) return;
-    var wrap = ensureLineWrapped(lineView);
-    for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
-      var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
-      if (!widget.handleMouseEvents) node.ignoreEvents = true;
-      positionLineWidget(widget, node, lineView, dims);
-      if (allowAbove && widget.above)
-        wrap.insertBefore(node, lineView.gutter || lineView.text);
-      else
-        wrap.appendChild(node);
-      signalLater(widget, "redraw");
-    }
-  }
-
-  function positionLineWidget(widget, node, lineView, dims) {
-    if (widget.noHScroll) {
-      (lineView.alignable || (lineView.alignable = [])).push(node);
-      var width = dims.wrapperWidth;
-      node.style.left = dims.fixedPos + "px";
-      if (!widget.coverGutter) {
-        width -= dims.gutterTotalWidth;
-        node.style.paddingLeft = dims.gutterTotalWidth + "px";
-      }
-      node.style.width = width + "px";
-    }
-    if (widget.coverGutter) {
-      node.style.zIndex = 5;
-      node.style.position = "relative";
-      if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
-    }
-  }
-
-  // POSITION OBJECT
-
-  // A Pos instance represents a position within the text.
-  var Pos = CodeMirror.Pos = function(line, ch) {
-    if (!(this instanceof Pos)) return new Pos(line, ch);
-    this.line = line; this.ch = ch;
-  };
-
-  // Compare two positions, return 0 if they are the same, a negative
-  // number when a is less, and a positive number otherwise.
-  var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; };
-
-  function copyPos(x) {return Pos(x.line, x.ch);}
-  function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; }
-  function minPos(a, b) { return cmp(a, b) < 0 ? a : b; }
-
-  // SELECTION / CURSOR
-
-  // Selection objects are immutable. A new one is created every time
-  // the selection changes. A selection is one or more non-overlapping
-  // (and non-touching) ranges, sorted, and an integer that indicates
-  // which one is the primary selection (the one that's scrolled into
-  // view, that getCursor returns, etc).
-  function Selection(ranges, primIndex) {
-    this.ranges = ranges;
-    this.primIndex = primIndex;
-  }
-
-  Selection.prototype = {
-    primary: function() { return this.ranges[this.primIndex]; },
-    equals: function(other) {
-      if (other == this) return true;
-      if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false;
-      for (var i = 0; i < this.ranges.length; i++) {
-        var here = this.ranges[i], there = other.ranges[i];
-        if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false;
-      }
-      return true;
-    },
-    deepCopy: function() {
-      for (var out = [], i = 0; i < this.ranges.length; i++)
-        out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
-      return new Selection(out, this.primIndex);
-    },
-    somethingSelected: function() {
-      for (var i = 0; i < this.ranges.length; i++)
-        if (!this.ranges[i].empty()) return true;
-      return false;
-    },
-    contains: function(pos, end) {
-      if (!end) end = pos;
-      for (var i = 0; i < this.ranges.length; i++) {
-        var range = this.ranges[i];
-        if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
-          return i;
-      }
-      return -1;
-    }
-  };
-
-  function Range(anchor, head) {
-    this.anchor = anchor; this.head = head;
-  }
-
-  Range.prototype = {
-    from: function() { return minPos(this.anchor, this.head); },
-    to: function() { return maxPos(this.anchor, this.head); },
-    empty: function() {
-      return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
-    }
-  };
-
-  // Take an unsorted, potentially overlapping set of ranges, and
-  // build a selection out of it. 'Consumes' ranges array (modifying
-  // it).
-  function normalizeSelection(ranges, primIndex) {
-    var prim = ranges[primIndex];
-    ranges.sort(function(a, b) { return cmp(a.from(), b.from()); });
-    primIndex = indexOf(ranges, prim);
-    for (var i = 1; i < ranges.length; i++) {
-      var cur = ranges[i], prev = ranges[i - 1];
-      if (cmp(prev.to(), cur.from()) >= 0) {
-        var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
-        var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
-        if (i <= primIndex) --primIndex;
-        ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
-      }
-    }
-    return new Selection(ranges, primIndex);
-  }
-
-  function simpleSelection(anchor, head) {
-    return new Selection([new Range(anchor, head || anchor)], 0);
-  }
-
-  // Most of the external API clips given positions to make sure they
-  // actually exist within the document.
-  function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
-  function clipPos(doc, pos) {
-    if (pos.line < doc.first) return Pos(doc.first, 0);
-    var last = doc.first + doc.size - 1;
-    if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
-    return clipToLen(pos, getLine(doc, pos.line).text.length);
-  }
-  function clipToLen(pos, linelen) {
-    var ch = pos.ch;
-    if (ch == null || ch > linelen) return Pos(pos.line, linelen);
-    else if (ch < 0) return Pos(pos.line, 0);
-    else return pos;
-  }
-  function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
-  function clipPosArray(doc, array) {
-    for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]);
-    return out;
-  }
-
-  // SELECTION UPDATES
-
-  // The 'scroll' parameter given to many of these indicated whether
-  // the new cursor position should be scrolled into view after
-  // modifying the selection.
-
-  // If shift is held or the extend flag is set, extends a range to
-  // include a given position (and optionally a second position).
-  // Otherwise, simply returns the range between the given positions.
-  // Used for cursor motion and such.
-  function extendRange(doc, range, head, other) {
-    if (doc.cm && doc.cm.display.shift || doc.extend) {
-      var anchor = range.anchor;
-      if (other) {
-        var posBefore = cmp(head, anchor) < 0;
-        if (posBefore != (cmp(other, anchor) < 0)) {
-          anchor = head;
-          head = other;
-        } else if (posBefore != (cmp(head, other) < 0)) {
-          head = other;
-        }
-      }
-      return new Range(anchor, head);
-    } else {
-      return new Range(other || head, head);
-    }
-  }
-
-  // Extend the primary selection range, discard the rest.
-  function extendSelection(doc, head, other, options) {
-    setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options);
-  }
-
-  // Extend all selections (pos is an array of selections with length
-  // equal the number of selections)
-  function extendSelections(doc, heads, options) {
-    for (var out = [], i = 0; i < doc.sel.ranges.length; i++)
-      out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null);
-    var newSel = normalizeSelection(out, doc.sel.primIndex);
-    setSelection(doc, newSel, options);
-  }
-
-  // Updates a single range in the selection.
-  function replaceOneSelection(doc, i, range, options) {
-    var ranges = doc.sel.ranges.slice(0);
-    ranges[i] = range;
-    setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
-  }
-
-  // Reset the selection to a single range.
-  function setSimpleSelection(doc, anchor, head, options) {
-    setSelection(doc, simpleSelection(anchor, head), options);
-  }
-
-  // Give beforeSelectionChange handlers a change to influence a
-  // selection update.
-  function filterSelectionChange(doc, sel) {
-    var obj = {
-      ranges: sel.ranges,
-      update: function(ranges) {
-        this.ranges = [];
-        for (var i = 0; i < ranges.length; i++)
-          this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
-                                     clipPos(doc, ranges[i].head));
-      }
-    };
-    signal(doc, "beforeSelectionChange", doc, obj);
-    if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
-    if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1);
-    else return sel;
-  }
-
-  function setSelectionReplaceHistory(doc, sel, options) {
-    var done = doc.history.done, last = lst(done);
-    if (last && last.ranges) {
-      done[done.length - 1] = sel;
-      setSelectionNoUndo(doc, sel, options);
-    } else {
-      setSelection(doc, sel, options);
-    }
-  }
-
-  // Set a new selection.
-  function setSelection(doc, sel, options) {
-    setSelectionNoUndo(doc, sel, options);
-    addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
-  }
-
-  function setSelectionNoUndo(doc, sel, options) {
-    if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
-      sel = filterSelectionChange(doc, sel);
-
-    var bias = cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1;
-    setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
-
-    if (!(options && options.scroll === false) && doc.cm)
-      ensureCursorVisible(doc.cm);
-  }
-
-  function setSelectionInner(doc, sel) {
-    if (sel.equals(doc.sel)) return;
-
-    doc.sel = sel;
-
-    if (doc.cm) {
-      doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
-      signalCursorActivity(doc.cm);
-    }
-    signalLater(doc, "cursorActivity", doc);
-  }
-
-  // Verify that the selection does not partially select any atomic
-  // marked ranges.
-  function reCheckSelection(doc) {
-    setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll);
-  }
-
-  // Return a selection that does not partially select any atomic
-  // ranges.
-  function skipAtomicInSelection(doc, sel, bias, mayClear) {
-    var out;
-    for (var i = 0; i < sel.ranges.length; i++) {
-      var range = sel.ranges[i];
-      var newAnchor = skipAtomic(doc, range.anchor, bias, mayClear);
-      var newHead = skipAtomic(doc, range.head, bias, mayClear);
-      if (out || newAnchor != range.anchor || newHead != range.head) {
-        if (!out) out = sel.ranges.slice(0, i);
-        out[i] = new Range(newAnchor, newHead);
-      }
-    }
-    return out ? normalizeSelection(out, sel.primIndex) : sel;
-  }
-
-  // Ensure a given position is not inside an atomic range.
-  function skipAtomic(doc, pos, bias, mayClear) {
-    var flipped = false, curPos = pos;
-    var dir = bias || 1;
-    doc.cantEdit = false;
-    search: for (;;) {
-      var line = getLine(doc, curPos.line);
-      if (line.markedSpans) {
-        for (var i = 0; i < line.markedSpans.length; ++i) {
-          var sp = line.markedSpans[i], m = sp.marker;
-          if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
-              (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
-            if (mayClear) {
-              signal(m, "beforeCursorEnter");
-              if (m.explicitlyCleared) {
-                if (!line.markedSpans) break;
-                else {--i; continue;}
-              }
-            }
-            if (!m.atomic) continue;
-            var newPos = m.find(dir < 0 ? -1 : 1);
-            if (cmp(newPos, curPos) == 0) {
-              newPos.ch += dir;
-              if (newPos.ch < 0) {
-                if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1));
-                else newPos = null;
-              } else if (newPos.ch > line.text.length) {
-                if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0);
-                else newPos = null;
-              }
-              if (!newPos) {
-                if (flipped) {
-                  // Driven in a corner -- no valid cursor position found at all
-                  // -- try again *with* clearing, if we didn't already
-                  if (!mayClear) return skipAtomic(doc, pos, bias, true);
-                  // Otherwise, turn off editing until further notice, and return the start of the doc
-                  doc.cantEdit = true;
-                  return Pos(doc.first, 0);
-                }
-                flipped = true; newPos = pos; dir = -dir;
-              }
-            }
-            curPos = newPos;
-            continue search;
-          }
-        }
-      }
-      return curPos;
-    }
-  }
-
-  // SELECTION DRAWING
-
-  // Redraw the selection and/or cursor
-  function updateSelection(cm) {
-    var display = cm.display, doc = cm.doc;
-    var curFragment = document.createDocumentFragment();
-    var selFragment = document.createDocumentFragment();
-
-    for (var i = 0; i < doc.sel.ranges.length; i++) {
-      var range = doc.sel.ranges[i];
-      var collapsed = range.empty();
-      if (collapsed || cm.options.showCursorWhenSelecting)
-        drawSelectionCursor(cm, range, curFragment);
-      if (!collapsed)
-        drawSelectionRange(cm, range, selFragment);
-    }
-
-    // Move the hidden textarea near the cursor to prevent scrolling artifacts
-    if (cm.options.moveInputWithCursor) {
-      var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
-      var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
-      var top = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
-                                     headPos.top + lineOff.top - wrapOff.top));
-      var left = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
-                                      headPos.left + lineOff.left - wrapOff.left));
-      display.inputDiv.style.top = top + "px";
-      display.inputDiv.style.left = left + "px";
-    }
-
-    removeChildrenAndAdd(display.cursorDiv, curFragment);
-    removeChildrenAndAdd(display.selectionDiv, selFragment);
-  }
-
-  // Draws a cursor for the given range
-  function drawSelectionCursor(cm, range, output) {
-    var pos = cursorCoords(cm, range.head, "div");
-
-    var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
-    cursor.style.left = pos.left + "px";
-    cursor.style.top = pos.top + "px";
-    cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
-
-    if (pos.other) {
-      // Secondary cursor, shown when on a 'jump' in bi-directional text
-      var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
-      otherCursor.style.display = "";
-      otherCursor.style.left = pos.other.left + "px";
-      otherCursor.style.top = pos.other.top + "px";
-      otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
-    }
-  }
-
-  // Draws the given range as a highlighted selection
-  function drawSelectionRange(cm, range, output) {
-    var display = cm.display, doc = cm.doc;
-    var fragment = document.createDocumentFragment();
-    var padding = paddingH(cm.display), leftSide = padding.left, rightSide = display.lineSpace.offsetWidth - padding.right;
-
-    function add(left, top, width, bottom) {
-      if (top < 0) top = 0;
-      top = Math.round(top);
-      bottom = Math.round(bottom);
-      fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
-                               "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) +
-                               "px; height: " + (bottom - top) + "px"));
-    }
-
-    function drawForLine(line, fromArg, toArg) {
-      var lineObj = getLine(doc, line);
-      var lineLen = lineObj.text.length;
-      var start, end;
-      function coords(ch, bias) {
-        return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
-      }
-
-      iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
-        var leftPos = coords(from, "left"), rightPos, left, right;
-        if (from == to) {
-          rightPos = leftPos;
-          left = right = leftPos.left;
-        } else {
-          rightPos = coords(to - 1, "right");
-          if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
-          left = leftPos.left;
-          right = rightPos.right;
-        }
-        if (fromArg == null && from == 0) left = leftSide;
-        if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
-          add(left, leftPos.top, null, leftPos.bottom);
-          left = leftSide;
-          if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
-        }
-        if (toArg == null && to == lineLen) right = rightSide;
-        if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
-          start = leftPos;
-        if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
-          end = rightPos;
-        if (left < leftSide + 1) left = leftSide;
-        add(left, rightPos.top, right - left, rightPos.bottom);
-      });
-      return {start: start, end: end};
-    }
-
-    var sFrom = range.from(), sTo = range.to();
-    if (sFrom.line == sTo.line) {
-      drawForLine(sFrom.line, sFrom.ch, sTo.ch);
-    } else {
-      var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
-      var singleVLine = visualLine(fromLine) == visualLine(toLine);
-      var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
-      var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
-      if (singleVLine) {
-        if (leftEnd.top < rightStart.top - 2) {
-          add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
-          add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
-        } else {
-          add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
-        }
-      }
-      if (leftEnd.bottom < rightStart.top)
-        add(leftSide, leftEnd.bottom, null, rightStart.top);
-    }
-
-    output.appendChild(fragment);
-  }
-
-  // Cursor-blinking
-  function restartBlink(cm) {
-    if (!cm.state.focused) return;
-    var display = cm.display;
-    clearInterval(display.blinker);
-    var on = true;
-    display.cursorDiv.style.visibility = "";
-    if (cm.options.cursorBlinkRate > 0)
-      display.blinker = setInterval(function() {
-        display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
-      }, cm.options.cursorBlinkRate);
-  }
-
-  // HIGHLIGHT WORKER
-
-  function startWorker(cm, time) {
-    if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
-      cm.state.highlight.set(time, bind(highlightWorker, cm));
-  }
-
-  function highlightWorker(cm) {
-    var doc = cm.doc;
-    if (doc.frontier < doc.first) doc.frontier = doc.first;
-    if (doc.frontier >= cm.display.viewTo) return;
-    var end = +new Date + cm.options.workTime;
-    var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
-
-    runInOp(cm, function() {
-    doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) {
-      if (doc.frontier >= cm.display.viewFrom) { // Visible
-        var oldStyles = line.styles;
-        var highlighted = highlightLine(cm, line, state, true);
-        line.styles = highlighted.styles;
-        if (highlighted.classes) line.styleClasses = highlighted.classes;
-        else if (line.styleClasses) line.styleClasses = null;
-        var ischange = !oldStyles || oldStyles.length != line.styles.length;
-        for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
-        if (ischange) regLineChange(cm, doc.frontier, "text");
-        line.stateAfter = copyState(doc.mode, state);
-      } else {
-        processLine(cm, line.text, state);
-        line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
-      }
-      ++doc.frontier;
-      if (+new Date > end) {
-        startWorker(cm, cm.options.workDelay);
-        return true;
-      }
-    });
-    });
-  }
-
-  // Finds the line to start with when starting a parse. Tries to
-  // find a line with a stateAfter, so that it can start with a
-  // valid state. If that fails, it returns the line with the
-  // smallest indentation, which tends to need the least context to
-  // parse correctly.
-  function findStartLine(cm, n, precise) {
-    var minindent, minline, doc = cm.doc;
-    var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
-    for (var search = n; search > lim; --search) {
-      if (search <= doc.first) return doc.first;
-      var line = getLine(doc, search - 1);
-      if (line.stateAfter && (!precise || search <= doc.frontier)) return search;
-      var indented = countColumn(line.text, null, cm.options.tabSize);
-      if (minline == null || minindent > indented) {
-        minline = search - 1;
-        minindent = indented;
-      }
-    }
-    return minline;
-  }
-
-  function getStateBefore(cm, n, precise) {
-    var doc = cm.doc, display = cm.display;
-    if (!doc.mode.startState) return true;
-    var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
-    if (!state) state = startState(doc.mode);
-    else state = copyState(doc.mode, state);
-    doc.iter(pos, n, function(line) {
-      processLine(cm, line.text, state);
-      var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo;
-      line.stateAfter = save ? copyState(doc.mode, state) : null;
-      ++pos;
-    });
-    if (precise) doc.frontier = pos;
-    return state;
-  }
-
-  // POSITION MEASUREMENT
-
-  function paddingTop(display) {return display.lineSpace.offsetTop;}
-  function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
-  function paddingH(display) {
-    if (display.cachedPaddingH) return display.cachedPaddingH;
-    var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
-    var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
-    var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
-    if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data;
-    return data;
-  }
-
-  // Ensure the lineView.wrapping.heights array is populated. This is
-  // an array of bottom offsets for the lines that make up a drawn
-  // line. When lineWrapping is on, there might be more than one
-  // height.
-  function ensureLineHeights(cm, lineView, rect) {
-    var wrapping = cm.options.lineWrapping;
-    var curWidth = wrapping && cm.display.scroller.clientWidth;
-    if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
-      var heights = lineView.measure.heights = [];
-      if (wrapping) {
-        lineView.measure.width = curWidth;
-        var rects = lineView.text.firstChild.getClientRects();
-        for (var i = 0; i < rects.length - 1; i++) {
-          var cur = rects[i], next = rects[i + 1];
-          if (Math.abs(cur.bottom - next.bottom) > 2)
-            heights.push((cur.bottom + next.top) / 2 - rect.top);
-        }
-      }
-      heights.push(rect.bottom - rect.top);
-    }
-  }
-
-  // Find a line map (mapping character offsets to text nodes) and a
-  // measurement cache for the given line number. (A line view might
-  // contain multiple lines when collapsed ranges are present.)
-  function mapFromLineView(lineView, line, lineN) {
-    if (lineView.line == line)
-      return {map: lineView.measure.map, cache: lineView.measure.cache};
-    for (var i = 0; i < lineView.rest.length; i++)
-      if (lineView.rest[i] == line)
-        return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
-    for (var i = 0; i < lineView.rest.length; i++)
-      if (lineNo(lineView.rest[i]) > lineN)
-        return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
-  }
-
-  // Render a line into the hidden node display.externalMeasured. Used
-  // when measurement is needed for a line that's not in the viewport.
-  function updateExternalMeasurement(cm, line) {
-    line = visualLine(line);
-    var lineN = lineNo(line);
-    var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
-    view.lineN = lineN;
-    var built = view.built = buildLineContent(cm, view);
-    view.text = built.pre;
-    removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
-    return view;
-  }
-
-  // Get a {top, bottom, left, right} box (in line-local coordinates)
-  // for a given character.
-  function measureChar(cm, line, ch, bias) {
-    return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
-  }
-
-  // Find a line view that corresponds to the given line number.
-  function findViewForLine(cm, lineN) {
-    if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
-      return cm.display.view[findViewIndex(cm, lineN)];
-    var ext = cm.display.externalMeasured;
-    if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
-      return ext;
-  }
-
-  // Measurement can be split in two steps, the set-up work that
-  // applies to the whole line, and the measurement of the actual
-  // character. Functions like coordsChar, that need to do a lot of
-  // measurements in a row, can thus ensure that the set-up work is
-  // only done once.
-  function prepareMeasureForLine(cm, line) {
-    var lineN = lineNo(line);
-    var view = findViewForLine(cm, lineN);
-    if (view && !view.text)
-      view = null;
-    else if (view && view.changes)
-      updateLineForChanges(cm, view, lineN, getDimensions(cm));
-    if (!view)
-      view = updateExternalMeasurement(cm, line);
-
-    var info = mapFromLineView(view, line, lineN);
-    return {
-      line: line, view: view, rect: null,
-      map: info.map, cache: info.cache, before: info.before,
-      hasHeights: false
-    };
-  }
-
-  // Given a prepared measurement object, measures the position of an
-  // actual character (or fetches it from the cache).
-  function measureCharPrepared(cm, prepared, ch, bias) {
-    if (prepared.before) ch = -1;
-    var key = ch + (bias || ""), found;
-    if (prepared.cache.hasOwnProperty(key)) {
-      found = prepared.cache[key];
-    } else {
-      if (!prepared.rect)
-        prepared.rect = prepared.view.text.getBoundingClientRect();
-      if (!prepared.hasHeights) {
-        ensureLineHeights(cm, prepared.view, prepared.rect);
-        prepared.hasHeights = true;
-      }
-      found = measureCharInner(cm, prepared, ch, bias);
-      if (!found.bogus) prepared.cache[key] = found;
-    }
-    return {left: found.left, right: found.right, top: found.top, bottom: found.bottom};
-  }
-
-  var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
-
-  function measureCharInner(cm, prepared, ch, bias) {
-    var map = prepared.map;
-
-    var node, start, end, collapse;
-    // First, search the line map for the text node corresponding to,
-    // or closest to, the target character.
-    for (var i = 0; i < map.length; i += 3) {
-      var mStart = map[i], mEnd = map[i + 1];
-      if (ch < mStart) {
-        start = 0; end = 1;
-        collapse = "left";
-      } else if (ch < mEnd) {
-        start = ch - mStart;
-        end = start + 1;
-      } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
-        end = mEnd - mStart;
-        start = end - 1;
-        if (ch >= mEnd) collapse = "right";
-      }
-      if (start != null) {
-        node = map[i + 2];
-        if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
-          collapse = bias;
-        if (bias == "left" && start == 0)
-          while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
-            node = map[(i -= 3) + 2];
-            collapse = "left";
-          }
-        if (bias == "right" && start == mEnd - mStart)
-          while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
-            node = map[(i += 3) + 2];
-            collapse = "right";
-          }
-        break;
-      }
-    }
-
-    var rect;
-    if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
-      while (start && isExtendingChar(prepared.line.text.charAt(mStart + start))) --start;
-      while (mStart + end < mEnd && isExtendingChar(prepared.line.text.charAt(mStart + end))) ++end;
-      if (ie_upto8 && start == 0 && end == mEnd - mStart) {
-        rect = node.parentNode.getBoundingClientRect();
-      } else if (ie && cm.options.lineWrapping) {
-        var rects = range(node, start, end).getClientRects();
-        if (rects.length)
-          rect = rects[bias == "right" ? rects.length - 1 : 0];
-        else
-          rect = nullRect;
-      } else {
-        rect = range(node, start, end).getBoundingClientRect();
-      }
-    } else { // If it is a widget, simply get the box for the whole widget.
-      if (start > 0) collapse = bias = "right";
-      var rects;
-      if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
-        rect = rects[bias == "right" ? rects.length - 1 : 0];
-      else
-        rect = node.getBoundingClientRect();
-    }
-    if (ie_upto8 && !start && (!rect || !rect.left && !rect.right)) {
-      var rSpan = node.parentNode.getClientRects()[0];
-      if (rSpan)
-        rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
-      else
-        rect = nullRect;
-    }
-
-    var top, bot = (rect.bottom + rect.top) / 2 - prepared.rect.top;
-    var heights = prepared.view.measure.heights;
-    for (var i = 0; i < heights.length - 1; i++)
-      if (bot < heights[i]) break;
-    top = i ? heights[i - 1] : 0; bot = heights[i];
-    var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
-                  right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
-                  top: top, bottom: bot};
-    if (!rect.left && !rect.right) result.bogus = true;
-    return result;
-  }
-
-  function clearLineMeasurementCacheFor(lineView) {
-    if (lineView.measure) {
-      lineView.measure.cache = {};
-      lineView.measure.heights = null;
-      if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
-        lineView.measure.caches[i] = {};
-    }
-  }
-
-  function clearLineMeasurementCache(cm) {
-    cm.display.externalMeasure = null;
-    removeChildren(cm.display.lineMeasure);
-    for (var i = 0; i < cm.display.view.length; i++)
-      clearLineMeasurementCacheFor(cm.display.view[i]);
-  }
-
-  function clearCaches(cm) {
-    clearLineMeasurementCache(cm);
-    cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
-    if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
-    cm.display.lineNumChars = null;
-  }
-
-  function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; }
-  function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; }
-
-  // Converts a {top, bottom, left, right} box from line-local
-  // coordinates into another coordinate system. Context may be one of
-  // "line", "div" (display.lineDiv), "local"/null (editor), or "page".
-  function intoCoordSystem(cm, lineObj, rect, context) {
-    if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
-      var size = widgetHeight(lineObj.widgets[i]);
-      rect.top += size; rect.bottom += size;
-    }
-    if (context == "line") return rect;
-    if (!context) context = "local";
-    var yOff = heightAtLine(lineObj);
-    if (context == "local") yOff += paddingTop(cm.display);
-    else yOff -= cm.display.viewOffset;
-    if (context == "page" || context == "window") {
-      var lOff = cm.display.lineSpace.getBoundingClientRect();
-      yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
-      var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
-      rect.left += xOff; rect.right += xOff;
-    }
-    rect.top += yOff; rect.bottom += yOff;
-    return rect;
-  }
-
-  // Coverts a box from "div" coords to another coordinate system.
-  // Context may be "window", "page", "div", or "local"/null.
-  function fromCoordSystem(cm, coords, context) {
-    if (context == "div") return coords;
-    var left = coords.left, top = coords.top;
-    // First move into "page" coordinate system
-    if (context == "page") {
-      left -= pageScrollX();
-      top -= pageScrollY();
-    } else if (context == "local" || !context) {
-      var localBox = cm.display.sizer.getBoundingClientRect();
-      left += localBox.left;
-      top += localBox.top;
-    }
-
-    var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
-    return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
-  }
-
-  function charCoords(cm, pos, context, lineObj, bias) {
-    if (!lineObj) lineObj = getLine(cm.doc, pos.line);
-    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
-  }
-
-  // Returns a box for a given cursor position, which may have an
-  // 'other' property containing the position of the secondary cursor
-  // on a bidi boundary.
-  function cursorCoords(cm, pos, context, lineObj, preparedMeasure) {
-    lineObj = lineObj || getLine(cm.doc, pos.line);
-    if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj);
-    function get(ch, right) {
-      var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left");
-      if (right) m.left = m.right; else m.right = m.left;
-      return intoCoordSystem(cm, lineObj, m, context);
-    }
-    function getBidi(ch, partPos) {
-      var part = order[partPos], right = part.level % 2;
-      if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
-        part = order[--partPos];
-        ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
-        right = true;
-      } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
-        part = order[++partPos];
-        ch = bidiLeft(part) - part.level % 2;
-        right = false;
-      }
-      if (right && ch == part.to && ch > part.from) return get(ch - 1);
-      return get(ch, right);
-    }
-    var order = getOrder(lineObj), ch = pos.ch;
-    if (!order) return get(ch);
-    var partPos = getBidiPartAt(order, ch);
-    var val = getBidi(ch, partPos);
-    if (bidiOther != null) val.other = getBidi(ch, bidiOther);
-    return val;
-  }
-
-  // Used to cheaply estimate the coordinates for a position. Used for
-  // intermediate scroll updates.
-  function estimateCoords(cm, pos) {
-    var left = 0, pos = clipPos(cm.doc, pos);
-    if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch;
-    var lineObj = getLine(cm.doc, pos.line);
-    var top = heightAtLine(lineObj) + paddingTop(cm.display);
-    return {left: left, right: left, top: top, bottom: top + lineObj.height};
-  }
-
-  // Positions returned by coordsChar contain some extra information.
-  // xRel is the relative x position of the input coordinates compared
-  // to the found position (so xRel > 0 means the coordinates are to
-  // the right of the character position, for example). When outside
-  // is true, that means the coordinates lie outside the line's
-  // vertical range.
-  function PosWithInfo(line, ch, outside, xRel) {
-    var pos = Pos(line, ch);
-    pos.xRel = xRel;
-    if (outside) pos.outside = true;
-    return pos;
-  }
-
-  // Compute the character position closest to the given coordinates.
-  // Input must be lineSpace-local ("div" coordinate system).
-  function coordsChar(cm, x, y) {
-    var doc = cm.doc;
-    y += cm.display.viewOffset;
-    if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
-    var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
-    if (lineN > last)
-      return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
-    if (x < 0) x = 0;
-
-    var lineObj = getLine(doc, lineN);
-    for (;;) {
-      var found = coordsCharInner(cm, lineObj, lineN, x, y);
-      var merged = collapsedSpanAtEnd(lineObj);
-      var mergedPos = merged && merged.find(0, true);
-      if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
-        lineN = lineNo(lineObj = mergedPos.to.line);
-      else
-        return found;
-    }
-  }
-
-  function coordsCharInner(cm, lineObj, lineNo, x, y) {
-    var innerOff = y - heightAtLine(lineObj);
-    var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
-    var preparedMeasure = prepareMeasureForLine(cm, lineObj);
-
-    function getX(ch) {
-      var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure);
-      wrongLine = true;
-      if (innerOff > sp.bottom) return sp.left - adjust;
-      else if (innerOff < sp.top) return sp.left + adjust;
-      else wrongLine = false;
-      return sp.left;
-    }
-
-    var bidi = getOrder(lineObj), dist = lineObj.text.length;
-    var from = lineLeft(lineObj), to = lineRight(lineObj);
-    var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
-
-    if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
-    // Do a binary search between these bounds.
-    for (;;) {
-      if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
-        var ch = x < fromX || x - fromX <= toX - x ? from : to;
-        var xDiff = x - (ch == from ? fromX : toX);
-        while (isExtendingChar(lineObj.text.charAt(ch))) ++ch;
-        var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside,
-                              xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0);
-        return pos;
-      }
-      var step = Math.ceil(dist / 2), middle = from + step;
-      if (bidi) {
-        middle = from;
-        for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
-      }
-      var middleX = getX(middle);
-      if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
-      else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
-    }
-  }
-
-  var measureText;
-  // Compute the default text height.
-  function textHeight(display) {
-    if (display.cachedTextHeight != null) return display.cachedTextHeight;
-    if (measureText == null) {
-      measureText = elt("pre");
-      // Measure a bunch of lines, for browsers that compute
-      // fractional heights.
-      for (var i = 0; i < 49; ++i) {
-        measureText.appendChild(document.createTextNode("x"));
-        measureText.appendChild(elt("br"));
-      }
-      measureText.appendChild(document.createTextNode("x"));
-    }
-    removeChildrenAndAdd(display.measure, measureText);
-    var height = measureText.offsetHeight / 50;
-    if (height > 3) display.cachedTextHeight = height;
-    removeChildren(display.measure);
-    return height || 1;
-  }
-
-  // Compute the default character width.
-  function charWidth(display) {
-    if (display.cachedCharWidth != null) return display.cachedCharWidth;
-    var anchor = elt("span", "xxxxxxxxxx");
-    var pre = elt("pre", [anchor]);
-    removeChildrenAndAdd(display.measure, pre);
-    var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
-    if (width > 2) display.cachedCharWidth = width;
-    return width || 10;
-  }
-
-  // OPERATIONS
-
-  // Operations are used to wrap a series of changes to the editor
-  // state in such a way that each change won't have to update the
-  // cursor and display (which would be awkward, slow, and
-  // error-prone). Instead, display updates are batched and then all
-  // combined and executed at once.
-
-  var nextOpId = 0;
-  // Start a new operation.
-  function startOperation(cm) {
-    cm.curOp = {
-      viewChanged: false,      // Flag that indicates that lines might need to be redrawn
-      startHeight: cm.doc.height, // Used to detect need to update scrollbar
-      forceUpdate: false,      // Used to force a redraw
-      updateInput: null,       // Whether to reset the input textarea
-      typing: false,           // Whether this reset should be careful to leave existing text (for compositing)
-      changeObjs: null,        // Accumulated changes, for firing change events
-      cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
-      selectionChanged: false, // Whether the selection needs to be redrawn
-      updateMaxLine: false,    // Set when the widest line needs to be determined anew
-      scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
-      scrollToPos: null,       // Used to scroll to a specific position
-      id: ++nextOpId           // Unique ID
-    };
-    if (!delayedCallbackDepth++) delayedCallbacks = [];
-  }
-
-  // Finish an operation, updating the display and signalling delayed events
-  function endOperation(cm) {
-    var op = cm.curOp, doc = cm.doc, display = cm.display;
-    cm.curOp = null;
-
-    if (op.updateMaxLine) findMaxLine(cm);
-
-    // If it looks like an update might be needed, call updateDisplay
-    if (op.viewChanged || op.forceUpdate || op.scrollTop != null ||
-        op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
-                           op.scrollToPos.to.line >= display.viewTo) ||
-        display.maxLineChanged && cm.options.lineWrapping) {
-      var updated = updateDisplay(cm, {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
-      if (cm.display.scroller.offsetHeight) cm.doc.scrollTop = cm.display.scroller.scrollTop;
-    }
-    // If no update was run, but the selection changed, redraw that.
-    if (!updated && op.selectionChanged) updateSelection(cm);
-    if (!updated && op.startHeight != cm.doc.height) updateScrollbars(cm);
-
-    // Propagate the scroll position to the actual DOM scroller
-    if (op.scrollTop != null && display.scroller.scrollTop != op.scrollTop) {
-      var top = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop));
-      display.scroller.scrollTop = display.scrollbarV.scrollTop = doc.scrollTop = top;
-    }
-    if (op.scrollLeft != null && display.scroller.scrollLeft != op.scrollLeft) {
-      var left = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft));
-      display.scroller.scrollLeft = display.scrollbarH.scrollLeft = doc.scrollLeft = left;
-      alignHorizontally(cm);
-    }
-    // If we need to scroll a specific position into view, do so.
-    if (op.scrollToPos) {
-      var coords = scrollPosIntoView(cm, clipPos(cm.doc, op.scrollToPos.from),
-                                     clipPos(cm.doc, op.scrollToPos.to), op.scrollToPos.margin);
-      if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords);
-    }
-
-    if (op.selectionChanged) restartBlink(cm);
-
-    if (cm.state.focused && op.updateInput)
-      resetInput(cm, op.typing);
-
-    // Fire events for markers that are hidden/unidden by editing or
-    // undoing
-    var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
-    if (hidden) for (var i = 0; i < hidden.length; ++i)
-      if (!hidden[i].lines.length) signal(hidden[i], "hide");
-    if (unhidden) for (var i = 0; i < unhidden.length; ++i)
-      if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
-
-    var delayed;
-    if (!--delayedCallbackDepth) {
-      delayed = delayedCallbacks;
-      delayedCallbacks = null;
-    }
-    // Fire change events, and delayed event handlers
-    if (op.changeObjs)
-      signal(cm, "changes", cm, op.changeObjs);
-    if (delayed) for (var i = 0; i < delayed.length; ++i) delayed[i]();
-    if (op.cursorActivityHandlers)
-      for (var i = 0; i < op.cursorActivityHandlers.length; i++)
-        op.cursorActivityHandlers[i](cm);
-  }
-
-  // Run the given function in an operation
-  function runInOp(cm, f) {
-    if (cm.curOp) return f();
-    startOperation(cm);
-    try { return f(); }
-    finally { endOperation(cm); }
-  }
-  // Wraps a function in an operation. Returns the wrapped function.
-  function operation(cm, f) {
-    return function() {
-      if (cm.curOp) return f.apply(cm, arguments);
-      startOperation(cm);
-      try { return f.apply(cm, arguments); }
-      finally { endOperation(cm); }
-    };
-  }
-  // Used to add methods to editor and doc instances, wrapping them in
-  // operations.
-  function methodOp(f) {
-    return function() {
-      if (this.curOp) return f.apply(this, arguments);
-      startOperation(this);
-      try { return f.apply(this, arguments); }
-      finally { endOperation(this); }
-    };
-  }
-  function docMethodOp(f) {
-    return function() {
-      var cm = this.cm;
-      if (!cm || cm.curOp) return f.apply(this, arguments);
-      startOperation(cm);
-      try { return f.apply(this, arguments); }
-      finally { endOperation(cm); }
-    };
-  }
-
-  // VIEW TRACKING
-
-  // These objects are used to represent the visible (currently drawn)
-  // part of the document. A LineView may correspond to multiple
-  // logical lines, if those are connected by collapsed ranges.
-  function LineView(doc, line, lineN) {
-    // The starting line
-    this.line = line;
-    // Continuing lines, if any
-    this.rest = visualLineContinued(line);
-    // Number of logical lines in this visual line
-    this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
-    this.node = this.text = null;
-    this.hidden = lineIsHidden(doc, line);
-  }
-
-  // Create a range of LineView objects for the given lines.
-  function buildViewArray(cm, from, to) {
-    var array = [], nextPos;
-    for (var pos = from; pos < to; pos = nextPos) {
-      var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
-      nextPos = pos + view.size;
-      array.push(view);
-    }
-    return array;
-  }
-
-  // Updates the display.view data structure for a given change to the
-  // document. From and to are in pre-change coordinates. Lendiff is
-  // the amount of lines added or subtracted by the change. This is
-  // used for changes that span multiple lines, or change the way
-  // lines are divided into visual lines. regLineChange (below)
-  // registers single-line changes.
-  function regChange(cm, from, to, lendiff) {
-    if (from == null) from = cm.doc.first;
-    if (to == null) to = cm.doc.first + cm.doc.size;
-    if (!lendiff) lendiff = 0;
-
-    var display = cm.display;
-    if (lendiff && to < display.viewTo &&
-        (display.updateLineNumbers == null || display.updateLineNumbers > from))
-      display.updateLineNumbers = from;
-
-    cm.curOp.viewChanged = true;
-
-    if (from >= display.viewTo) { // Change after
-      if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
-        resetView(cm);
-    } else if (to <= display.viewFrom) { // Change before
-      if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
-        resetView(cm);
-      } else {
-        display.viewFrom += lendiff;
-        display.viewTo += lendiff;
-      }
-    } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
-      resetView(cm);
-    } else if (from <= display.viewFrom) { // Top overlap
-      var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
-      if (cut) {
-        display.view = display.view.slice(cut.index);
-        display.viewFrom = cut.lineN;
-        display.viewTo += lendiff;
-      } else {
-        resetView(cm);
-      }
-    } else if (to >= display.viewTo) { // Bottom overlap
-      var cut = viewCuttingPoint(cm, from, from, -1);
-      if (cut) {
-        display.view = display.view.slice(0, cut.index);
-        display.viewTo = cut.lineN;
-      } else {
-        resetView(cm);
-      }
-    } else { // Gap in the middle
-      var cutTop = viewCuttingPoint(cm, from, from, -1);
-      var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
-      if (cutTop && cutBot) {
-        display.view = display.view.slice(0, cutTop.index)
-          .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
-          .concat(display.view.slice(cutBot.index));
-        display.viewTo += lendiff;
-      } else {
-        resetView(cm);
-      }
-    }
-
-    var ext = display.externalMeasured;
-    if (ext) {
-      if (to < ext.lineN)
-        ext.lineN += lendiff;
-      else if (from < ext.lineN + ext.size)
-        display.externalMeasured = null;
-    }
-  }
-
-  // Register a change to a single line. Type must be one of "text",
-  // "gutter", "class", "widget"
-  function regLineChange(cm, line, type) {
-    cm.curOp.viewChanged = true;
-    var display = cm.display, ext = cm.display.externalMeasured;
-    if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
-      display.externalMeasured = null;
-
-    if (line < display.viewFrom || line >= display.viewTo) return;
-    var lineView = display.view[findViewIndex(cm, line)];
-    if (lineView.node == null) return;
-    var arr = lineView.changes || (lineView.changes = []);
-    if (indexOf(arr, type) == -1) arr.push(type);
-  }
-
-  // Clear the view.
-  function resetView(cm) {
-    cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
-    cm.display.view = [];
-    cm.display.viewOffset = 0;
-  }
-
-  // Find the view element corresponding to a given line. Return null
-  // when the line isn't visible.
-  function findViewIndex(cm, n) {
-    if (n >= cm.display.viewTo) return null;
-    n -= cm.display.viewFrom;
-    if (n < 0) return null;
-    var view = cm.display.view;
-    for (var i = 0; i < view.length; i++) {
-      n -= view[i].size;
-      if (n < 0) return i;
-    }
-  }
-
-  function viewCuttingPoint(cm, oldN, newN, dir) {
-    var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
-    if (!sawCollapsedSpans) return {index: index, lineN: newN};
-    for (var i = 0, n = cm.display.viewFrom; i < index; i++)
-      n += view[i].size;
-    if (n != oldN) {
-      if (dir > 0) {
-        if (index == view.length - 1) return null;
-        diff = (n + view[index].size) - oldN;
-        index++;
-      } else {
-        diff = n - oldN;
-      }
-      oldN += diff; newN += diff;
-    }
-    while (visualLineNo(cm.doc, newN) != newN) {
-      if (index == (dir < 0 ? 0 : view.length - 1)) return null;
-      newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
-      index += dir;
-    }
-    return {index: index, lineN: newN};
-  }
-
-  // Force the view to cover a given range, adding empty view element
-  // or clipping off existing ones as needed.
-  function adjustView(cm, from, to) {
-    var display = cm.display, view = display.view;
-    if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
-      display.view = buildViewArray(cm, from, to);
-      display.viewFrom = from;
-    } else {
-      if (display.viewFrom > from)
-        display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
-      else if (display.viewFrom < from)
-        display.view = display.view.slice(findViewIndex(cm, from));
-      display.viewFrom = from;
-      if (display.viewTo < to)
-        display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
-      else if (display.viewTo > to)
-        display.view = display.view.slice(0, findViewIndex(cm, to));
-    }
-    display.viewTo = to;
-  }
-
-  // Count the number of lines in the view whose DOM representation is
-  // out of date (or nonexistent).
-  function countDirtyView(cm) {
-    var view = cm.display.view, dirty = 0;
-    for (var i = 0; i < view.length; i++) {
-      var lineView = view[i];
-      if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty;
-    }
-    return dirty;
-  }
-
-  // INPUT HANDLING
-
-  // Poll for input changes, using the normal rate of polling. This
-  // runs as long as the editor is focused.
-  function slowPoll(cm) {
-    if (cm.display.pollingFast) return;
-    cm.display.poll.set(cm.options.pollInterval, function() {
-      readInput(cm);
-      if (cm.state.focused) slowPoll(cm);
-    });
-  }
-
-  // When an event has just come in that is likely to add or change
-  // something in the input textarea, we poll faster, to ensure that
-  // the change appears on the screen quickly.
-  function fastPoll(cm) {
-    var missed = false;
-    cm.display.pollingFast = true;
-    function p() {
-      var changed = readInput(cm);
-      if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);}
-      else {cm.display.pollingFast = false; slowPoll(cm);}
-    }
-    cm.display.poll.set(20, p);
-  }
-
-  // Read input from the textarea, and update the document to match.
-  // When something is selected, it is present in the textarea, and
-  // selected (unless it is huge, in which case a placeholder is
-  // used). When nothing is selected, the cursor sits after previously
-  // seen text (can be empty), which is stored in prevInput (we must
-  // not reset the textarea when typing, because that breaks IME).
-  function readInput(cm) {
-    var input = cm.display.input, prevInput = cm.display.prevInput, doc = cm.doc;
-    // Since this is called a *lot*, try to bail out as cheaply as
-    // possible when it is clear that nothing happened. hasSelection
-    // will be the case when there is a lot of text in the textarea,
-    // in which case reading its value would be expensive.
-    if (!cm.state.focused || (hasSelection(input) && !prevInput) || isReadOnly(cm) || cm.options.disableInput)
-      return false;
-    // See paste handler for more on the fakedLastChar kludge
-    if (cm.state.pasteIncoming && cm.state.fakedLastChar) {
-      input.value = input.value.substring(0, input.value.length - 1);
-      cm.state.fakedLastChar = false;
-    }
-    var text = input.value;
-    // If nothing changed, bail.
-    if (text == prevInput && !cm.somethingSelected()) return false;
-    // Work around nonsensical selection resetting in IE9/10
-    if (ie && !ie_upto8 && cm.display.inputHasSelection === text) {
-      resetInput(cm);
-      return false;
-    }
-
-    var withOp = !cm.curOp;
-    if (withOp) startOperation(cm);
-    cm.display.shift = false;
-
-    // Find the part of the input that is actually new
-    var same = 0, l = Math.min(prevInput.length, text.length);
-    while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
-    var inserted = text.slice(same), textLines = splitLines(inserted);
-
-    // When pasing N lines into N selections, insert one line per selection
-    var multiPaste = cm.state.pasteIncoming && textLines.length > 1 && doc.sel.ranges.length == textLines.length;
-
-    // Normal behavior is to insert the new text into every selection
-    for (var i = doc.sel.ranges.length - 1; i >= 0; i--) {
-      var range = doc.sel.ranges[i];
-      var from = range.from(), to = range.to();
-      // Handle deletion
-      if (same < prevInput.length)
-        from = Pos(from.line, from.ch - (prevInput.length - same));
-      // Handle overwrite
-      else if (cm.state.overwrite && range.empty() && !cm.state.pasteIncoming)
-        to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
-      var updateInput = cm.curOp.updateInput;
-      var changeEvent = {from: from, to: to, text: multiPaste ? [textLines[i]] : textLines,
-                         origin: cm.state.pasteIncoming ? "paste" : cm.state.cutIncoming ? "cut" : "+input"};
-      makeChange(cm.doc, changeEvent);
-      signalLater(cm, "inputRead", cm, changeEvent);
-      // When an 'electric' character is inserted, immediately trigger a reindent
-      if (inserted && !cm.state.pasteIncoming && cm.options.electricChars &&
-          cm.options.smartIndent && range.head.ch < 100 &&
-          (!i || doc.sel.ranges[i - 1].head.line != range.head.line)) {
-        var mode = cm.getModeAt(range.head);
-        if (mode.electricChars) {
-          for (var j = 0; j < mode.electricChars.length; j++)
-            if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
-              indentLine(cm, range.head.line, "smart");
-              break;
-            }
-        } else if (mode.electricInput) {
-          var end = changeEnd(changeEvent);
-          if (mode.electricInput.test(getLine(doc, end.line).text.slice(0, end.ch)))
-            indentLine(cm, range.head.line, "smart");
-        }
-      }
-    }
-    ensureCursorVisible(cm);
-    cm.curOp.updateInput = updateInput;
-    cm.curOp.typing = true;
-
-    // Don't leave long text in the textarea, since it makes further polling slow
-    if (text.length > 1000 || text.indexOf("\n") > -1) input.value = cm.display.prevInput = "";
-    else cm.display.prevInput = text;
-    if (withOp) endOperation(cm);
-    cm.state.pasteIncoming = cm.state.cutIncoming = false;
-    return true;
-  }
-
-  // Reset the input to correspond to the selection (or to be empty,
-  // when not typing and nothing is selected)
-  function resetInput(cm, typing) {
-    var minimal, selected, doc = cm.doc;
-    if (cm.somethingSelected()) {
-      cm.display.prevInput = "";
-      var range = doc.sel.primary();
-      minimal = hasCopyEvent &&
-        (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000);
-      var content = minimal ? "-" : selected || cm.getSelection();
-      cm.display.input.value = content;
-      if (cm.state.focused) selectInput(cm.display.input);
-      if (ie && !ie_upto8) cm.display.inputHasSelection = content;
-    } else if (!typing) {
-      cm.display.prevInput = cm.display.input.value = "";
-      if (ie && !ie_upto8) cm.display.inputHasSelection = null;
-    }
-    cm.display.inaccurateSelection = minimal;
-  }
-
-  function focusInput(cm) {
-    if (cm.options.readOnly != "nocursor" && (!mobile || activeElt() != cm.display.input))
-      cm.display.input.focus();
-  }
-
-  function ensureFocus(cm) {
-    if (!cm.state.focused) { focusInput(cm); onFocus(cm); }
-  }
-
-  function isReadOnly(cm) {
-    return cm.options.readOnly || cm.doc.cantEdit;
-  }
-
-  // EVENT HANDLERS
-
-  // Attach the necessary event handlers when initializing the editor
-  function registerEventHandlers(cm) {
-    var d = cm.display;
-    on(d.scroller, "mousedown", operation(cm, onMouseDown));
-    // Older IE's will not fire a second mousedown for a double click
-    if (ie_upto10)
-      on(d.scroller, "dblclick", operation(cm, function(e) {
-        if (signalDOMEvent(cm, e)) return;
-        var pos = posFromMouse(cm, e);
-        if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return;
-        e_preventDefault(e);
-        var word = findWordAt(cm.doc, pos);
-        extendSelection(cm.doc, word.anchor, word.head);
-      }));
-    else
-      on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); });
-    // Prevent normal selection in the editor (we handle our own)
-    on(d.lineSpace, "selectstart", function(e) {
-      if (!eventInWidget(d, e)) e_preventDefault(e);
-    });
-    // Some browsers fire contextmenu *after* opening the menu, at
-    // which point we can't mess with it anymore. Context menu is
-    // handled in onMouseDown for these browsers.
-    if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
-
-    // Sync scrolling between fake scrollbars and real scrollable
-    // area, ensure viewport is updated when scrolling.
-    on(d.scroller, "scroll", function() {
-      if (d.scroller.clientHeight) {
-        setScrollTop(cm, d.scroller.scrollTop);
-        setScrollLeft(cm, d.scroller.scrollLeft, true);
-        signal(cm, "scroll", cm);
-      }
-    });
-    on(d.scrollbarV, "scroll", function() {
-      if (d.scroller.clientHeight) setScrollTop(cm, d.scrollbarV.scrollTop);
-    });
-    on(d.scrollbarH, "scroll", function() {
-      if (d.scroller.clientHeight) setScrollLeft(cm, d.scrollbarH.scrollLeft);
-    });
-
-    // Listen to wheel events in order to try and update the viewport on time.
-    on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
-    on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
-
-    // Prevent clicks in the scrollbars from killing focus
-    function reFocus() { if (cm.state.focused) setTimeout(bind(focusInput, cm), 0); }
-    on(d.scrollbarH, "mousedown", reFocus);
-    on(d.scrollbarV, "mousedown", reFocus);
-    // Prevent wrapper from ever scrolling
-    on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-
-    // When the window resizes, we need to refresh active editors.
-    var resizeTimer;
-    function onResize() {
-      if (resizeTimer == null) resizeTimer = setTimeout(function() {
-        resizeTimer = null;
-        // Might be a text scaling operation, clear size caches.
-        d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = knownScrollbarWidth = null;
-        cm.setSize();
-      }, 100);
-    }
-    on(window, "resize", onResize);
-    // The above handler holds on to the editor and its data
-    // structures. Here we poll to unregister it when the editor is no
-    // longer in the document, so that it can be garbage-collected.
-    function unregister() {
-      if (contains(document.body, d.wrapper)) setTimeout(unregister, 5000);
-      else off(window, "resize", onResize);
-    }
-    setTimeout(unregister, 5000);
-
-    on(d.input, "keyup", operation(cm, onKeyUp));
-    on(d.input, "input", function() {
-      if (ie && !ie_upto8 && cm.display.inputHasSelection) cm.display.inputHasSelection = null;
-      fastPoll(cm);
-    });
-    on(d.input, "keydown", operation(cm, onKeyDown));
-    on(d.input, "keypress", operation(cm, onKeyPress));
-    on(d.input, "focus", bind(onFocus, cm));
-    on(d.input, "blur", bind(onBlur, cm));
-
-    function drag_(e) {
-      if (!signalDOMEvent(cm, e)) e_stop(e);
-    }
-    if (cm.options.dragDrop) {
-      on(d.scroller, "dragstart", function(e){onDragStart(cm, e);});
-      on(d.scroller, "dragenter", drag_);
-      on(d.scroller, "dragover", drag_);
-      on(d.scroller, "drop", operation(cm, onDrop));
-    }
-    on(d.scroller, "paste", function(e) {
-      if (eventInWidget(d, e)) return;
-      cm.state.pasteIncoming = true;
-      focusInput(cm);
-      fastPoll(cm);
-    });
-    on(d.input, "paste", function() {
-      // Workaround for webkit bug https://bugs.webkit.org/show_bug.cgi?id=90206
-      // Add a char to the end of textarea before paste occur so that
-      // selection doesn't span to the end of textarea.
-      if (webkit && !cm.state.fakedLastChar && !(new Date - cm.state.lastMiddleDown < 200)) {
-        var start = d.input.selectionStart, end = d.input.selectionEnd;
-        d.input.value += "$";
-        d.input.selectionStart = start;
-        d.input.selectionEnd = end;
-        cm.state.fakedLastChar = true;
-      }
-      cm.state.pasteIncoming = true;
-      fastPoll(cm);
-    });
-
-    function prepareCopyCut(e) {
-      if (cm.somethingSelected()) {
-        if (d.inaccurateSelection) {
-          d.prevInput = "";
-          d.inaccurateSelection = false;
-          d.input.value = cm.getSelection();
-          selectInput(d.input);
-        }
-      } else {
-        var text = "", ranges = [];
-        for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
-          var line = cm.doc.sel.ranges[i].head.line;
-          var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
-          ranges.push(lineRange);
-          text += cm.getRange(lineRange.anchor, lineRange.head);
-        }
-        if (e.type == "cut") {
-          cm.setSelections(ranges, null, sel_dontScroll);
-        } else {
-          d.prevInput = "";
-          d.input.value = text;
-          selectInput(d.input);
-        }
-      }
-      if (e.type == "cut") cm.state.cutIncoming = true;
-    }
-    on(d.input, "cut", prepareCopyCut);
-    on(d.input, "copy", prepareCopyCut);
-
-    // Needed to handle Tab key in KHTML
-    if (khtml) on(d.sizer, "mouseup", function() {
-      if (activeElt() == d.input) d.input.blur();
-      focusInput(cm);
-    });
-  }
-
-  // MOUSE EVENTS
-
-  // Return true when the given mouse event happened in a widget
-  function eventInWidget(display, e) {
-    for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
-      if (!n || n.ignoreEvents || n.parentNode == display.sizer && n != display.mover) return true;
-    }
-  }
-
-  // Given a mouse event, find the corresponding position. If liberal
-  // is false, it checks whether a gutter or scrollbar was clicked,
-  // and returns null if it was. forRect is used by rectangular
-  // selections, and tries to estimate a character position even for
-  // coordinates beyond the right of the text.
-  function posFromMouse(cm, e, liberal, forRect) {
-    var display = cm.display;
-    if (!liberal) {
-      var target = e_target(e);
-      if (target == display.scrollbarH || target == display.scrollbarV ||
-          target == display.scrollbarFiller || target == display.gutterFiller) return null;
-    }
-    var x, y, space = display.lineSpace.getBoundingClientRect();
-    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
-    try { x = e.clientX - space.left; y = e.clientY - space.top; }
-    catch (e) { return null; }
-    var coords = coordsChar(cm, x, y), line;
-    if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
-      var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
-      coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
-    }
-    return coords;
-  }
-
-  // A mouse down can be a single click, double click, triple click,
-  // start of selection drag, start of text drag, new cursor
-  // (ctrl-click), rectangle drag (alt-drag), or xwin
-  // middle-click-paste. Or it might be a click on something we should
-  // not interfere with, such as a scrollbar or widget.
-  function onMouseDown(e) {
-    if (signalDOMEvent(this, e)) return;
-    var cm = this, display = cm.display;
-    display.shift = e.shiftKey;
-
-    if (eventInWidget(display, e)) {
-      if (!webkit) {
-        // Briefly turn off draggability, to allow widgets to do
-        // normal dragging things.
-        display.scroller.draggable = false;
-        setTimeout(function(){display.scroller.draggable = true;}, 100);
-      }
-      return;
-    }
-    if (clickInGutter(cm, e)) return;
-    var start = posFromMouse(cm, e);
-    window.focus();
-
-    switch (e_button(e)) {
-    case 1:
-      if (start)
-        leftButtonDown(cm, e, start);
-      else if (e_target(e) == display.scroller)
-        e_preventDefault(e);
-      break;
-    case 2:
-      if (webkit) cm.state.lastMiddleDown = +new Date;
-      if (start) extendSelection(cm.doc, start);
-      setTimeout(bind(focusInput, cm), 20);
-      e_preventDefault(e);
-      break;
-    case 3:
-      if (captureRightClick) onContextMenu(cm, e);
-      break;
-    }
-  }
-
-  var lastClick, lastDoubleClick;
-  function leftButtonDown(cm, e, start) {
-    setTimeout(bind(ensureFocus, cm), 0);
-
-    var now = +new Date, type;
-    if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
-      type = "triple";
-    } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
-      type = "double";
-      lastDoubleClick = {time: now, pos: start};
-    } else {
-      type = "single";
-      lastClick = {time: now, pos: start};
-    }
-
-    var sel = cm.doc.sel, addNew = mac ? e.metaKey : e.ctrlKey;
-    if (cm.options.dragDrop && dragAndDrop && !addNew && !isReadOnly(cm) &&
-        type == "single" && sel.contains(start) > -1 && sel.somethingSelected())
-      leftButtonStartDrag(cm, e, start);
-    else
-      leftButtonSelect(cm, e, start, type, addNew);
-  }
-
-  // Start a text drag. When it ends, see if any dragging actually
-  // happen, and treat as a click if it didn't.
-  function leftButtonStartDrag(cm, e, start) {
-    var display = cm.display;
-    var dragEnd = operation(cm, function(e2) {
-      if (webkit) display.scroller.draggable = false;
-      cm.state.draggingText = false;
-      off(document, "mouseup", dragEnd);
-      off(display.scroller, "drop", dragEnd);
-      if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
-        e_preventDefault(e2);
-        extendSelection(cm.doc, start);
-        focusInput(cm);
-        // Work around unexplainable focus problem in IE9 (#2127)
-        if (ie_upto10 && !ie_upto8)
-          setTimeout(function() {document.body.focus(); focusInput(cm);}, 20);
-      }
-    });
-    // Let the drag handler handle this.
-    if (webkit) display.scroller.draggable = true;
-    cm.state.draggingText = dragEnd;
-    // IE's approach to draggable
-    if (display.scroller.dragDrop) display.scroller.dragDrop();
-    on(document, "mouseup", dragEnd);
-    on(display.scroller, "drop", dragEnd);
-  }
-
-  // Normal selection, as opposed to text dragging.
-  function leftButtonSelect(cm, e, start, type, addNew) {
-    var display = cm.display, doc = cm.doc;
-    e_preventDefault(e);
-
-    var ourRange, ourIndex, startSel = doc.sel;
-    if (addNew && !e.shiftKey) {
-      ourIndex = doc.sel.contains(start);
-      if (ourIndex > -1)
-        ourRange = doc.sel.ranges[ourIndex];
-      else
-        ourRange = new Range(start, start);
-    } else {
-      ourRange = doc.sel.primary();
-    }
-
-    if (e.altKey) {
-      type = "rect";
-      if (!addNew) ourRange = new Range(start, start);
-      start = posFromMouse(cm, e, true, true);
-      ourIndex = -1;
-    } else if (type == "double") {
-      var word = findWordAt(doc, start);
-      if (cm.display.shift || doc.extend)
-        ourRange = extendRange(doc, ourRange, word.anchor, word.head);
-      else
-        ourRange = word;
-    } else if (type == "triple") {
-      var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)));
-      if (cm.display.shift || doc.extend)
-        ourRange = extendRange(doc, ourRange, line.anchor, line.head);
-      else
-        ourRange = line;
-    } else {
-      ourRange = extendRange(doc, ourRange, start);
-    }
-
-    if (!addNew) {
-      ourIndex = 0;
-      setSelection(doc, new Selection([ourRange], 0), sel_mouse);
-      startSel = doc.sel;
-    } else if (ourIndex > -1) {
-      replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
-    } else {
-      ourIndex = doc.sel.ranges.length;
-      setSelection(doc, normalizeSelection(doc.sel.ranges.concat([ourRange]), ourIndex),
-                   {scroll: false, origin: "*mouse"});
-    }
-
-    var lastPos = start;
-    function extendTo(pos) {
-      if (cmp(lastPos, pos) == 0) return;
-      lastPos = pos;
-
-      if (type == "rect") {
-        var ranges = [], tabSize = cm.options.tabSize;
-        var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
-        var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
-        var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
-        for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
-             line <= end; line++) {
-          var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
-          if (left == right)
-            ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
-          else if (text.length > leftPos)
-            ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
-        }
-        if (!ranges.length) ranges.push(new Range(start, start));
-        setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), sel_mouse);
-      } else {
-        var oldRange = ourRange;
-        var anchor = oldRange.anchor, head = pos;
-        if (type != "single") {
-          if (type == "double")
-            var range = findWordAt(doc, pos);
-          else
-            var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)));
-          if (cmp(range.anchor, anchor) > 0) {
-            head = range.head;
-            anchor = minPos(oldRange.from(), range.anchor);
-          } else {
-            head = range.anchor;
-            anchor = maxPos(oldRange.to(), range.head);
-          }
-        }
-        var ranges = startSel.ranges.slice(0);
-        ranges[ourIndex] = new Range(clipPos(doc, anchor), head);
-        setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse);
-      }
-    }
-
-    var editorSize = display.wrapper.getBoundingClientRect();
-    // Used to ensure timeout re-tries don't fire when another extend
-    // happened in the meantime (clearTimeout isn't reliable -- at
-    // least on Chrome, the timeouts still happen even when cleared,
-    // if the clear happens after their scheduled firing time).
-    var counter = 0;
-
-    function extend(e) {
-      var curCount = ++counter;
-      var cur = posFromMouse(cm, e, true, type == "rect");
-      if (!cur) return;
-      if (cmp(cur, lastPos) != 0) {
-        ensureFocus(cm);
-        extendTo(cur);
-        var visible = visibleLines(display, doc);
-        if (cur.line >= visible.to || cur.line < visible.from)
-          setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
-      } else {
-        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
-        if (outside) setTimeout(operation(cm, function() {
-          if (counter != curCount) return;
-          display.scroller.scrollTop += outside;
-          extend(e);
-        }), 50);
-      }
-    }
-
-    function done(e) {
-      counter = Infinity;
-      e_preventDefault(e);
-      focusInput(cm);
-      off(document, "mousemove", move);
-      off(document, "mouseup", up);
-      doc.history.lastSelOrigin = null;
-    }
-
-    var move = operation(cm, function(e) {
-      if ((ie && !ie_upto9) ?  !e.buttons : !e_button(e)) done(e);
-      else extend(e);
-    });
-    var up = operation(cm, done);
-    on(document, "mousemove", move);
-    on(document, "mouseup", up);
-  }
-
-  // Determines whether an event happened in the gutter, and fires the
-  // handlers for the corresponding event.
-  function gutterEvent(cm, e, type, prevent, signalfn) {
-    try { var mX = e.clientX, mY = e.clientY; }
-    catch(e) { return false; }
-    if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false;
-    if (prevent) e_preventDefault(e);
-
-    var display = cm.display;
-    var lineBox = display.lineDiv.getBoundingClientRect();
-
-    if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e);
-    mY -= lineBox.top - display.viewOffset;
-
-    for (var i = 0; i < cm.options.gutters.length; ++i) {
-      var g = display.gutters.childNodes[i];
-      if (g && g.getBoundingClientRect().right >= mX) {
-        var line = lineAtHeight(cm.doc, mY);
-        var gutter = cm.options.gutters[i];
-        signalfn(cm, type, cm, line, gutter, e);
-        return e_defaultPrevented(e);
-      }
-    }
-  }
-
-  function clickInGutter(cm, e) {
-    return gutterEvent(cm, e, "gutterClick", true, signalLater);
-  }
-
-  // Kludge to work around strange IE behavior where it'll sometimes
-  // re-fire a series of drag-related events right after the drop (#1551)
-  var lastDrop = 0;
-
-  function onDrop(e) {
-    var cm = this;
-    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
-      return;
-    e_preventDefault(e);
-    if (ie) lastDrop = +new Date;
-    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
-    if (!pos || isReadOnly(cm)) return;
-    // Might be a file drop, in which case we simply extract the text
-    // and insert it.
-    if (files && files.length && window.FileReader && window.File) {
-      var n = files.length, text = Array(n), read = 0;
-      var loadFile = function(file, i) {
-        var reader = new FileReader;
-        reader.onload = operation(cm, function() {
-          text[i] = reader.result;
-          if (++read == n) {
-            pos = clipPos(cm.doc, pos);
-            var change = {from: pos, to: pos, text: splitLines(text.join("\n")), origin: "paste"};
-            makeChange(cm.doc, change);
-            setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
-          }
-        });
-        reader.readAsText(file);
-      };
-      for (var i = 0; i < n; ++i) loadFile(files[i], i);
-    } else { // Normal drop
-      // Don't do a replace if the drop happened inside of the selected text.
-      if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
-        cm.state.draggingText(e);
-        // Ensure the editor is re-focused
-        setTimeout(bind(focusInput, cm), 20);
-        return;
-      }
-      try {
-        var text = e.dataTransfer.getData("Text");
-        if (text) {
-          var selected = cm.state.draggingText && cm.listSelections();
-          setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
-          if (selected) for (var i = 0; i < selected.length; ++i)
-            replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
-          cm.replaceSelection(text, "around", "paste");
-          focusInput(cm);
-        }
-      }
-      catch(e){}
-    }
-  }
-
-  function onDragStart(cm, e) {
-    if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; }
-    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
-
-    e.dataTransfer.setData("Text", cm.getSelection());
-
-    // Use dummy image instead of default browsers image.
-    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
-    if (e.dataTransfer.setDragImage && !safari) {
-      var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
-      img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
-      if (presto) {
-        img.width = img.height = 1;
-        cm.display.wrapper.appendChild(img);
-        // Force a relayout, or Opera won't use our image for some obscure reason
-        img._top = img.offsetTop;
-      }
-      e.dataTransfer.setDragImage(img, 0, 0);
-      if (presto) img.parentNode.removeChild(img);
-    }
-  }
-
-  // SCROLL EVENTS
-
-  // Sync the scrollable area and scrollbars, ensure the viewport
-  // covers the visible area.
-  function setScrollTop(cm, val) {
-    if (Math.abs(cm.doc.scrollTop - val) < 2) return;
-    cm.doc.scrollTop = val;
-    if (!gecko) updateDisplay(cm, {top: val});
-    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
-    if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val;
-    if (gecko) updateDisplay(cm);
-    startWorker(cm, 100);
-  }
-  // Sync scroller and scrollbar, ensure the gutter elements are
-  // aligned.
-  function setScrollLeft(cm, val, isScroller) {
-    if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
-    val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
-    cm.doc.scrollLeft = val;
-    alignHorizontally(cm);
-    if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
-    if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val;
-  }
-
-  // Since the delta values reported on mouse wheel events are
-  // unstandardized between browsers and even browser versions, and
-  // generally horribly unpredictable, this code starts by measuring
-  // the scroll effect that the first few mouse wheel events have,
-  // and, from that, detects the way it can convert deltas to pixel
-  // offsets afterwards.
-  //
-  // The reason we want to know the amount a wheel event will scroll
-  // is that it gives us a chance to update the display before the
-  // actual scrolling happens, reducing flickering.
-
-  var wheelSamples = 0, wheelPixelsPerUnit = null;
-  // Fill in a browser-detected starting value on browsers where we
-  // know one. These don't have to be accurate -- the result of them
-  // being wrong would just be a slight flicker on the first wheel
-  // scroll (if it is large enough).
-  if (ie) wheelPixelsPerUnit = -.53;
-  else if (gecko) wheelPixelsPerUnit = 15;
-  else if (chrome) wheelPixelsPerUnit = -.7;
-  else if (safari) wheelPixelsPerUnit = -1/3;
-
-  function onScrollWheel(cm, e) {
-    var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
-    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
-    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
-    else if (dy == null) dy = e.wheelDelta;
-
-    var display = cm.display, scroll = display.scroller;
-    // Quit if there's nothing to scroll here
-    if (!(dx && scroll.scrollWidth > scroll.clientWidth ||
-          dy && scroll.scrollHeight > scroll.clientHeight)) return;
-
-    // Webkit browsers on OS X abort momentum scrolls when the target
-    // of the scroll event is removed from the scrollable element.
-    // This hack (see related code in patchDisplay) makes sure the
-    // element is kept around.
-    if (dy && mac && webkit) {
-      outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
-        for (var i = 0; i < view.length; i++) {
-          if (view[i].node == cur) {
-            cm.display.currentWheelTarget = cur;
-            break outer;
-          }
-        }
-      }
-    }
-
-    // On some browsers, horizontal scrolling will cause redraws to
-    // happen before the gutter has been realigned, causing it to
-    // wriggle around in a most unseemly way. When we have an
-    // estimated pixels/delta value, we just handle horizontal
-    // scrolling entirely here. It'll be slightly off from native, but
-    // better than glitching out.
-    if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
-      if (dy)
-        setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
-      setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
-      e_preventDefault(e);
-      display.wheelStartX = null; // Abort measurement, if in progress
-      return;
-    }
-
-    // 'Project' the visible viewport to cover the area that is being
-    // scrolled into view (if we know enough to estimate it).
-    if (dy && wheelPixelsPerUnit != null) {
-      var pixels = dy * wheelPixelsPerUnit;
-      var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
-      if (pixels < 0) top = Math.max(0, top + pixels - 50);
-      else bot = Math.min(cm.doc.height, bot + pixels + 50);
-      updateDisplay(cm, {top: top, bottom: bot});
-    }
-
-    if (wheelSamples < 20) {
-      if (display.wheelStartX == null) {
-        display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
-        display.wheelDX = dx; display.wheelDY = dy;
-        setTimeout(function() {
-          if (display.wheelStartX == null) return;
-          var movedX = scroll.scrollLeft - display.wheelStartX;
-          var movedY = scroll.scrollTop - display.wheelStartY;
-          var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
-            (movedX && display.wheelDX && movedX / display.wheelDX);
-          display.wheelStartX = display.wheelStartY = null;
-          if (!sample) return;
-          wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
-          ++wheelSamples;
-        }, 200);
-      } else {
-        display.wheelDX += dx; display.wheelDY += dy;
-      }
-    }
-  }
-
-  // KEY EVENTS
-
-  // Run a handler that was bound to a key.
-  function doHandleBinding(cm, bound, dropShift) {
-    if (typeof bound == "string") {
-      bound = commands[bound];
-      if (!bound) return false;
-    }
-    // Ensure previous input has been read, so that the handler sees a
-    // consistent view of the document
-    if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false;
-    var prevShift = cm.display.shift, done = false;
-    try {
-      if (isReadOnly(cm)) cm.state.suppressEdits = true;
-      if (dropShift) cm.display.shift = false;
-      done = bound(cm) != Pass;
-    } finally {
-      cm.display.shift = prevShift;
-      cm.state.suppressEdits = false;
-    }
-    return done;
-  }
-
-  // Collect the currently active keymaps.
-  function allKeyMaps(cm) {
-    var maps = cm.state.keyMaps.slice(0);
-    if (cm.options.extraKeys) maps.push(cm.options.extraKeys);
-    maps.push(cm.options.keyMap);
-    return maps;
-  }
-
-  var maybeTransition;
-  // Handle a key from the keydown event.
-  function handleKeyBinding(cm, e) {
-    // Handle automatic keymap transitions
-    var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto;
-    clearTimeout(maybeTransition);
-    if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() {
-      if (getKeyMap(cm.options.keyMap) == startMap) {
-        cm.options.keyMap = (next.call ? next.call(null, cm) : next);
-        keyMapChanged(cm);
-      }
-    }, 50);
-
-    var name = keyName(e, true), handled = false;
-    if (!name) return false;
-    var keymaps = allKeyMaps(cm);
-
-    if (e.shiftKey) {
-      // First try to resolve full name (including 'Shift-'). Failing
-      // that, see if there is a cursor-motion command (starting with
-      // 'go') bound to the keyname without 'Shift-'.
-      handled = lookupKey("Shift-" + name, keymaps, function(b) {return doHandleBinding(cm, b, true);})
-             || lookupKey(name, keymaps, function(b) {
-                  if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
-                    return doHandleBinding(cm, b);
-                });
-    } else {
-      handled = lookupKey(name, keymaps, function(b) { return doHandleBinding(cm, b); });
-    }
-
-    if (handled) {
-      e_preventDefault(e);
-      restartBlink(cm);
-      signalLater(cm, "keyHandled", cm, name, e);
-    }
-    return handled;
-  }
-
-  // Handle a key from the keypress event
-  function handleCharBinding(cm, e, ch) {
-    var handled = lookupKey("'" + ch + "'", allKeyMaps(cm),
-                            function(b) { return doHandleBinding(cm, b, true); });
-    if (handled) {
-      e_preventDefault(e);
-      restartBlink(cm);
-      signalLater(cm, "keyHandled", cm, "'" + ch + "'", e);
-    }
-    return handled;
-  }
-
-  var lastStoppedKey = null;
-  function onKeyDown(e) {
-    var cm = this;
-    ensureFocus(cm);
-    if (signalDOMEvent(cm, e)) return;
-    // IE does strange things with escape.
-    if (ie_upto10 && e.keyCode == 27) e.returnValue = false;
-    var code = e.keyCode;
-    cm.display.shift = code == 16 || e.shiftKey;
-    var handled = handleKeyBinding(cm, e);
-    if (presto) {
-      lastStoppedKey = handled ? code : null;
-      // Opera has no cut event... we try to at least catch the key combo
-      if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
-        cm.replaceSelection("", null, "cut");
-    }
-
-    // Turn mouse into crosshair when Alt is held on Mac.
-    if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
-      showCrossHair(cm);
-  }
-
-  function showCrossHair(cm) {
-    var lineDiv = cm.display.lineDiv;
-    addClass(lineDiv, "CodeMirror-crosshair");
-
-    function up(e) {
-      if (e.keyCode == 18 || !e.altKey) {
-        rmClass(lineDiv, "CodeMirror-crosshair");
-        off(document, "keyup", up);
-        off(document, "mouseover", up);
-      }
-    }
-    on(document, "keyup", up);
-    on(document, "mouseover", up);
-  }
-
-  function onKeyUp(e) {
-    if (signalDOMEvent(this, e)) return;
-    if (e.keyCode == 16) this.doc.sel.shift = false;
-  }
-
-  function onKeyPress(e) {
-    var cm = this;
-    if (signalDOMEvent(cm, e)) return;
-    var keyCode = e.keyCode, charCode = e.charCode;
-    if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
-    if (((presto && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return;
-    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
-    if (handleCharBinding(cm, e, ch)) return;
-    if (ie && !ie_upto8) cm.display.inputHasSelection = null;
-    fastPoll(cm);
-  }
-
-  // FOCUS/BLUR EVENTS
-
-  function onFocus(cm) {
-    if (cm.options.readOnly == "nocursor") return;
-    if (!cm.state.focused) {
-      signal(cm, "focus", cm);
-      cm.state.focused = true;
-      addClass(cm.display.wrapper, "CodeMirror-focused");
-      // The prevInput test prevents this from firing when a context
-      // menu is closed (since the resetInput would kill the
-      // select-all detection hack)
-      if (!cm.curOp && cm.display.selForContextMenu == cm.doc.sel) {
-        resetInput(cm);
-        if (webkit) setTimeout(bind(resetInput, cm, true), 0); // Issue #1730
-      }
-    }
-    slowPoll(cm);
-    restartBlink(cm);
-  }
-  function onBlur(cm) {
-    if (cm.state.focused) {
-      signal(cm, "blur", cm);
-      cm.state.focused = false;
-      rmClass(cm.display.wrapper, "CodeMirror-focused");
-    }
-    clearInterval(cm.display.blinker);
-    setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150);
-  }
-
-  // CONTEXT MENU HANDLING
-
-  var detectingSelectAll;
-  // To make the context menu work, we need to briefly unhide the
-  // textarea (making it as unobtrusive as possible) to let the
-  // right-click take effect on it.
-  function onContextMenu(cm, e) {
-    if (signalDOMEvent(cm, e, "contextmenu")) return;
-    var display = cm.display;
-    if (eventInWidget(display, e) || contextMenuInGutter(cm, e)) return;
-
-    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
-    if (!pos || presto) return; // Opera is difficult.
-
-    // Reset the current text selection only if the click is done outside of the selection
-    // and 'resetSelectionOnContextMenu' option is true.
-    var reset = cm.options.resetSelectionOnContextMenu;
-    if (reset && cm.doc.sel.contains(pos) == -1)
-      operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
-
-    var oldCSS = display.input.style.cssText;
-    display.inputDiv.style.position = "absolute";
-    display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
-      "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " +
-      (ie ? "rgba(255, 255, 255, .05)" : "transparent") +
-      "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
-    focusInput(cm);
-    resetInput(cm);
-    // Adds "Select all" to context menu in FF
-    if (!cm.somethingSelected()) display.input.value = display.prevInput = " ";
-    display.selForContextMenu = cm.doc.sel;
-
-    // Select-all will be greyed out if there's nothing to select, so
-    // this adds a zero-width space so that we can later check whether
-    // it got selected.
-    function prepareSelectAllHack() {
-      if (display.input.selectionStart != null) {
-        var selected = cm.somethingSelected();
-        var extval = display.input.value = "\u200b" + (selected ? display.input.value : "");
-        display.prevInput = selected ? "" : "\u200b";
-        display.input.selectionStart = 1; display.input.selectionEnd = extval.length;
-      }
-    }
-    function rehide() {
-      display.inputDiv.style.position = "relative";
-      display.input.style.cssText = oldCSS;
-      if (ie_upto8) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos;
-      slowPoll(cm);
-
-      // Try to detect the user choosing select-all
-      if (display.input.selectionStart != null) {
-        if (!ie || ie_upto8) prepareSelectAllHack();
-        clearTimeout(detectingSelectAll);
-        var i = 0, poll = function() {
-          if (display.selForContextMenu == cm.doc.sel && display.input.selectionStart == 0)
-            operation(cm, commands.selectAll)(cm);
-          else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500);
-          else resetInput(cm);
-        };
-        detectingSelectAll = setTimeout(poll, 200);
-      }
-    }
-
-    if (ie && !ie_upto8) prepareSelectAllHack();
-    if (captureRightClick) {
-      e_stop(e);
-      var mouseup = function() {
-        off(window, "mouseup", mouseup);
-        setTimeout(rehide, 20);
-      };
-      on(window, "mouseup", mouseup);
-    } else {
-      setTimeout(rehide, 50);
-    }
-  }
-
-  function contextMenuInGutter(cm, e) {
-    if (!hasHandler(cm, "gutterContextMenu")) return false;
-    return gutterEvent(cm, e, "gutterContextMenu", false, signal);
-  }
-
-  // UPDATING
-
-  // Compute the position of the end of a change (its 'to' property
-  // refers to the pre-change end).
-  var changeEnd = CodeMirror.changeEnd = function(change) {
-    if (!change.text) return change.to;
-    return Pos(change.from.line + change.text.length - 1,
-               lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
-  };
-
-  // Adjust a position to refer to the post-change position of the
-  // same text, or the end of the change if the change covers it.
-  function adjustForChange(pos, change) {
-    if (cmp(pos, change.from) < 0) return pos;
-    if (cmp(pos, change.to) <= 0) return changeEnd(change);
-
-    var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
-    if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch;
-    return Pos(line, ch);
-  }
-
-  function computeSelAfterChange(doc, change) {
-    var out = [];
-    for (var i = 0; i < doc.sel.ranges.length; i++) {
-      var range = doc.sel.ranges[i];
-      out.push(new Range(adjustForChange(range.anchor, change),
-                         adjustForChange(range.head, change)));
-    }
-    return normalizeSelection(out, doc.sel.primIndex);
-  }
-
-  function offsetPos(pos, old, nw) {
-    if (pos.line == old.line)
-      return Pos(nw.line, pos.ch - old.ch + nw.ch);
-    else
-      return Pos(nw.line + (pos.line - old.line), pos.ch);
-  }
-
-  // Used by replaceSelections to allow moving the selection to the
-  // start or around the replaced test. Hint may be "start" or "around".
-  function computeReplacedSel(doc, changes, hint) {
-    var out = [];
-    var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
-    for (var i = 0; i < changes.length; i++) {
-      var change = changes[i];
-      var from = offsetPos(change.from, oldPrev, newPrev);
-      var to = offsetPos(changeEnd(change), oldPrev, newPrev);
-      oldPrev = change.to;
-      newPrev = to;
-      if (hint == "around") {
-        var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
-        out[i] = new Range(inv ? to : from, inv ? from : to);
-      } else {
-        out[i] = new Range(from, from);
-      }
-    }
-    return new Selection(out, doc.sel.primIndex);
-  }
-
-  // Allow "beforeChange" event handlers to influence a change
-  function filterChange(doc, change, update) {
-    var obj = {
-      canceled: false,
-      from: change.from,
-      to: change.to,
-      text: change.text,
-      origin: change.origin,
-      cancel: function() { this.canceled = true; }
-    };
-    if (update) obj.update = function(from, to, text, origin) {
-      if (from) this.from = clipPos(doc, from);
-      if (to) this.to = clipPos(doc, to);
-      if (text) this.text = text;
-      if (origin !== undefined) this.origin = origin;
-    };
-    signal(doc, "beforeChange", doc, obj);
-    if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
-
-    if (obj.canceled) return null;
-    return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
-  }
-
-  // Apply a change to a document, and add it to the document's
-  // history, and propagating it to all linked documents.
-  function makeChange(doc, change, ignoreReadOnly) {
-    if (doc.cm) {
-      if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
-      if (doc.cm.state.suppressEdits) return;
-    }
-
-    if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
-      change = filterChange(doc, change, true);
-      if (!change) return;
-    }
-
-    // Possibly split or suppress the update based on the presence
-    // of read-only spans in its range.
-    var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
-    if (split) {
-      for (var i = split.length - 1; i >= 0; --i)
-        makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text});
-    } else {
-      makeChangeInner(doc, change);
-    }
-  }
-
-  function makeChangeInner(doc, change) {
-    if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return;
-    var selAfter = computeSelAfterChange(doc, change);
-    addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
-
-    makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
-    var rebased = [];
-
-    linkedDocs(doc, function(doc, sharedHist) {
-      if (!sharedHist && indexOf(rebased, doc.history) == -1) {
-        rebaseHist(doc.history, change);
-        rebased.push(doc.history);
-      }
-      makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
-    });
-  }
-
-  // Revert a change stored in a document's history.
-  function makeChangeFromHistory(doc, type, allowSelectionOnly) {
-    if (doc.cm && doc.cm.state.suppressEdits) return;
-
-    var hist = doc.history, event, selAfter = doc.sel;
-    var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
-
-    // Verify that there is a useable event (so that ctrl-z won't
-    // needlessly clear selection events)
-    for (var i = 0; i < source.length; i++) {
-      event = source[i];
-      if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
-        break;
-    }
-    if (i == source.length) return;
-    hist.lastOrigin = hist.lastSelOrigin = null;
-
-    for (;;) {
-      event = source.pop();
-      if (event.ranges) {
-        pushSelectionToHistory(event, dest);
-        if (allowSelectionOnly && !event.equals(doc.sel)) {
-          setSelection(doc, event, {clearRedo: false});
-          return;
-        }
-        selAfter = event;
-      }
-      else break;
-    }
-
-    // Build up a reverse change object to add to the opposite history
-    // stack (redo when undoing, and vice versa).
-    var antiChanges = [];
-    pushSelectionToHistory(selAfter, dest);
-    dest.push({changes: antiChanges, generation: hist.generation});
-    hist.generation = event.generation || ++hist.maxGeneration;
-
-    var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
-
-    for (var i = event.changes.length - 1; i >= 0; --i) {
-      var change = event.changes[i];
-      change.origin = type;
-      if (filter && !filterChange(doc, change, false)) {
-        source.length = 0;
-        return;
-      }
-
-      antiChanges.push(historyChangeFromChange(doc, change));
-
-      var after = i ? computeSelAfterChange(doc, change, null) : lst(source);
-      makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
-      if (doc.cm) ensureCursorVisible(doc.cm);
-      var rebased = [];
-
-      // Propagate to the linked documents
-      linkedDocs(doc, function(doc, sharedHist) {
-        if (!sharedHist && indexOf(rebased, doc.history) == -1) {
-          rebaseHist(doc.history, change);
-          rebased.push(doc.history);
-        }
-        makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
-      });
-    }
-  }
-
-  // Sub-views need their line numbers shifted when text is added
-  // above or below them in the parent document.
-  function shiftDoc(doc, distance) {
-    doc.first += distance;
-    doc.sel = new Selection(map(doc.sel.ranges, function(range) {
-      return new Range(Pos(range.anchor.line + distance, range.anchor.ch),
-                       Pos(range.head.line + distance, range.head.ch));
-    }), doc.sel.primIndex);
-    if (doc.cm) regChange(doc.cm, doc.first, doc.first - distance, distance);
-  }
-
-  // More lower-level change function, handling only a single document
-  // (not linked ones).
-  function makeChangeSingleDoc(doc, change, selAfter, spans) {
-    if (doc.cm && !doc.cm.curOp)
-      return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
-
-    if (change.to.line < doc.first) {
-      shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
-      return;
-    }
-    if (change.from.line > doc.lastLine()) return;
-
-    // Clip the change to the size of this doc
-    if (change.from.line < doc.first) {
-      var shift = change.text.length - 1 - (doc.first - change.from.line);
-      shiftDoc(doc, shift);
-      change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
-                text: [lst(change.text)], origin: change.origin};
-    }
-    var last = doc.lastLine();
-    if (change.to.line > last) {
-      change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
-                text: [change.text[0]], origin: change.origin};
-    }
-
-    change.removed = getBetween(doc, change.from, change.to);
-
-    if (!selAfter) selAfter = computeSelAfterChange(doc, change, null);
-    if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans);
-    else updateDoc(doc, change, spans);
-    setSelectionNoUndo(doc, selAfter, sel_dontScroll);
-  }
-
-  // Handle the interaction of a change to a document with the editor
-  // that this document is part of.
-  function makeChangeSingleDocInEditor(cm, change, spans) {
-    var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
-
-    var recomputeMaxLength = false, checkWidthStart = from.line;
-    if (!cm.options.lineWrapping) {
-      checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
-      doc.iter(checkWidthStart, to.line + 1, function(line) {
-        if (line == display.maxLine) {
-          recomputeMaxLength = true;
-          return true;
-        }
-      });
-    }
-
-    if (doc.sel.contains(change.from, change.to) > -1)
-      signalCursorActivity(cm);
-
-    updateDoc(doc, change, spans, estimateHeight(cm));
-
-    if (!cm.options.lineWrapping) {
-      doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
-        var len = lineLength(line);
-        if (len > display.maxLineLength) {
-          display.maxLine = line;
-          display.maxLineLength = len;
-          display.maxLineChanged = true;
-          recomputeMaxLength = false;
-        }
-      });
-      if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
-    }
-
-    // Adjust frontier, schedule worker
-    doc.frontier = Math.min(doc.frontier, from.line);
-    startWorker(cm, 400);
-
-    var lendiff = change.text.length - (to.line - from.line) - 1;
-    // Remember that these lines changed, for updating the display
-    if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
-      regLineChange(cm, from.line, "text");
-    else
-      regChange(cm, from.line, to.line + 1, lendiff);
-
-    var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
-    if (changeHandler || changesHandler) {
-      var obj = {
-        from: from, to: to,
-        text: change.text,
-        removed: change.removed,
-        origin: change.origin
-      };
-      if (changeHandler) signalLater(cm, "change", cm, obj);
-      if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj);
-    }
-  }
-
-  function replaceRange(doc, code, from, to, origin) {
-    if (!to) to = from;
-    if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
-    if (typeof code == "string") code = splitLines(code);
-    makeChange(doc, {from: from, to: to, text: code, origin: origin});
-  }
-
-  // SCROLLING THINGS INTO VIEW
-
-  // If an editor sits on the top or bottom of the window, partially
-  // scrolled out of view, this ensures that the cursor is visible.
-  function maybeScrollWindow(cm, coords) {
-    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
-    if (coords.top + box.top < 0) doScroll = true;
-    else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
-    if (doScroll != null && !phantom) {
-      var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " +
-                           (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " +
-                           (coords.bottom - coords.top + scrollerCutOff) + "px; left: " +
-                           coords.left + "px; width: 2px;");
-      cm.display.lineSpace.appendChild(scrollNode);
-      scrollNode.scrollIntoView(doScroll);
-      cm.display.lineSpace.removeChild(scrollNode);
-    }
-  }
-
-  // Scroll a given position into view (immediately), verifying that
-  // it actually became visible (as line heights are accurately
-  // measured, the position of something may 'drift' during drawing).
-  function scrollPosIntoView(cm, pos, end, margin) {
-    if (margin == null) margin = 0;
-    for (;;) {
-      var changed = false, coords = cursorCoords(cm, pos);
-      var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
-      var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
-                                         Math.min(coords.top, endCoords.top) - margin,
-                                         Math.max(coords.left, endCoords.left),
-                                         Math.max(coords.bottom, endCoords.bottom) + margin);
-      var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
-      if (scrollPos.scrollTop != null) {
-        setScrollTop(cm, scrollPos.scrollTop);
-        if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
-      }
-      if (scrollPos.scrollLeft != null) {
-        setScrollLeft(cm, scrollPos.scrollLeft);
-        if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
-      }
-      if (!changed) return coords;
-    }
-  }
-
-  // Scroll a given set of coordinates into view (immediately).
-  function scrollIntoView(cm, x1, y1, x2, y2) {
-    var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
-    if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
-    if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
-  }
-
-  // Calculate a new scroll position needed to scroll the given
-  // rectangle into view. Returns an object with scrollTop and
-  // scrollLeft properties. When these are undefined, the
-  // vertical/horizontal position does not need to be adjusted.
-  function calculateScrollPos(cm, x1, y1, x2, y2) {
-    var display = cm.display, snapMargin = textHeight(cm.display);
-    if (y1 < 0) y1 = 0;
-    var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
-    var screen = display.scroller.clientHeight - scrollerCutOff, result = {};
-    var docBottom = cm.doc.height + paddingVert(display);
-    var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
-    if (y1 < screentop) {
-      result.scrollTop = atTop ? 0 : y1;
-    } else if (y2 > screentop + screen) {
-      var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
-      if (newTop != screentop) result.scrollTop = newTop;
-    }
-
-    var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
-    var screenw = display.scroller.clientWidth - scrollerCutOff;
-    x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth;
-    var gutterw = display.gutters.offsetWidth;
-    var atLeft = x1 < gutterw + 10;
-    if (x1 < screenleft + gutterw || atLeft) {
-      if (atLeft) x1 = 0;
-      result.scrollLeft = Math.max(0, x1 - 10 - gutterw);
-    } else if (x2 > screenw + screenleft - 3) {
-      result.scrollLeft = x2 + 10 - screenw;
-    }
-    return result;
-  }
-
-  // Store a relative adjustment to the scroll position in the current
-  // operation (to be applied when the operation finishes).
-  function addToScrollPos(cm, left, top) {
-    if (left != null || top != null) resolveScrollToPos(cm);
-    if (left != null)
-      cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left;
-    if (top != null)
-      cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
-  }
-
-  // Make sure that at the end of the operation the current cursor is
-  // shown.
-  function ensureCursorVisible(cm) {
-    resolveScrollToPos(cm);
-    var cur = cm.getCursor(), from = cur, to = cur;
-    if (!cm.options.lineWrapping) {
-      from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur;
-      to = Pos(cur.line, cur.ch + 1);
-    }
-    cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true};
-  }
-
-  // When an operation has its scrollToPos property set, and another
-  // scroll action is applied before the end of the operation, this
-  // 'simulates' scrolling that position into view in a cheap way, so
-  // that the effect of intermediate scroll commands is not ignored.
-  function resolveScrollToPos(cm) {
-    var range = cm.curOp.scrollToPos;
-    if (range) {
-      cm.curOp.scrollToPos = null;
-      var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
-      var sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
-                                    Math.min(from.top, to.top) - range.margin,
-                                    Math.max(from.right, to.right),
-                                    Math.max(from.bottom, to.bottom) + range.margin);
-      cm.scrollTo(sPos.scrollLeft, sPos.scrollTop);
-    }
-  }
-
-  // API UTILITIES
-
-  // Indent the given line. The how parameter can be "smart",
-  // "add"/null, "subtract", or "prev". When aggressive is false
-  // (typically set to true for forced single-line indents), empty
-  // lines are not indented, and places where the mode returns Pass
-  // are left alone.
-  function indentLine(cm, n, how, aggressive) {
-    var doc = cm.doc, state;
-    if (how == null) how = "add";
-    if (how == "smart") {
-      // Fall back to "prev" when the mode doesn't have an indentation
-      // method.
-      if (!cm.doc.mode.indent) how = "prev";
-      else state = getStateBefore(cm, n);
-    }
-
-    var tabSize = cm.options.tabSize;
-    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
-    if (line.stateAfter) line.stateAfter = null;
-    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
-    if (!aggressive && !/\S/.test(line.text)) {
-      indentation = 0;
-      how = "not";
-    } else if (how == "smart") {
-      indentation = cm.doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
-      if (indentation == Pass) {
-        if (!aggressive) return;
-        how = "prev";
-      }
-    }
-    if (how == "prev") {
-      if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
-      else indentation = 0;
-    } else if (how == "add") {
-      indentation = curSpace + cm.options.indentUnit;
-    } else if (how == "subtract") {
-      indentation = curSpace - cm.options.indentUnit;
-    } else if (typeof how == "number") {
-      indentation = curSpace + how;
-    }
-    indentation = Math.max(0, indentation);
-
-    var indentString = "", pos = 0;
-    if (cm.options.indentWithTabs)
-      for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
-    if (pos < indentation) indentString += spaceStr(indentation - pos);
-
-    if (indentString != curSpaceString) {
-      replaceRange(cm.doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
-    } else {
-      // Ensure that, if the cursor was in the whitespace at the start
-      // of the line, it is moved to the end of that space.
-      for (var i = 0; i < doc.sel.ranges.length; i++) {
-        var range = doc.sel.ranges[i];
-        if (range.head.line == n && range.head.ch < curSpaceString.length) {
-          var pos = Pos(n, curSpaceString.length);
-          replaceOneSelection(doc, i, new Range(pos, pos));
-          break;
-        }
-      }
-    }
-    line.stateAfter = null;
-  }
-
-  // Utility for applying a change to a line by handle or number,
-  // returning the number and optionally registering the line as
-  // changed.
-  function changeLine(cm, handle, changeType, op) {
-    var no = handle, line = handle, doc = cm.doc;
-    if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
-    else no = lineNo(handle);
-    if (no == null) return null;
-    if (op(line, no)) regLineChange(cm, no, changeType);
-    return line;
-  }
-
-  // Helper for deleting text near the selection(s), used to implement
-  // backspace, delete, and similar functionality.
-  function deleteNearSelection(cm, compute) {
-    var ranges = cm.doc.sel.ranges, kill = [];
-    // Build up a set of ranges to kill first, merging overlapping
-    // ranges.
-    for (var i = 0; i < ranges.length; i++) {
-      var toKill = compute(ranges[i]);
-      while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
-        var replaced = kill.pop();
-        if (cmp(replaced.from, toKill.from) < 0) {
-          toKill.from = replaced.from;
-          break;
-        }
-      }
-      kill.push(toKill);
-    }
-    // Next, remove those actual ranges.
-    runInOp(cm, function() {
-      for (var i = kill.length - 1; i >= 0; i--)
-        replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
-      ensureCursorVisible(cm);
-    });
-  }
-
-  // Used for horizontal relative motion. Dir is -1 or 1 (left or
-  // right), unit can be "char", "column" (like char, but doesn't
-  // cross line boundaries), "word" (across next word), or "group" (to
-  // the start of next group of word or non-word-non-whitespace
-  // chars). The visually param controls whether, in right-to-left
-  // text, direction 1 means to move towards the next index in the
-  // string, or towards the character to the right of the current
-  // position. The resulting position will have a hitSide=true
-  // property if it reached the end of the document.
-  function findPosH(doc, pos, dir, unit, visually) {
-    var line = pos.line, ch = pos.ch, origDir = dir;
-    var lineObj = getLine(doc, line);
-    var possible = true;
-    function findNextLine() {
-      var l = line + dir;
-      if (l < doc.first || l >= doc.first + doc.size) return (possible = false);
-      line = l;
-      return lineObj = getLine(doc, l);
-    }
-    function moveOnce(boundToLine) {
-      var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
-      if (next == null) {
-        if (!boundToLine && findNextLine()) {
-          if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
-          else ch = dir < 0 ? lineObj.text.length : 0;
-        } else return (possible = false);
-      } else ch = next;
-      return true;
-    }
-
-    if (unit == "char") moveOnce();
-    else if (unit == "column") moveOnce(true);
-    else if (unit == "word" || unit == "group") {
-      var sawType = null, group = unit == "group";
-      for (var first = true;; first = false) {
-        if (dir < 0 && !moveOnce(!first)) break;
-        var cur = lineObj.text.charAt(ch) || "\n";
-        var type = isWordChar(cur) ? "w"
-          : group && cur == "\n" ? "n"
-          : !group || /\s/.test(cur) ? null
-          : "p";
-        if (group && !first && !type) type = "s";
-        if (sawType && sawType != type) {
-          if (dir < 0) {dir = 1; moveOnce();}
-          break;
-        }
-
-        if (type) sawType = type;
-        if (dir > 0 && !moveOnce(!first)) break;
-      }
-    }
-    var result = skipAtomic(doc, Pos(line, ch), origDir, true);
-    if (!possible) result.hitSide = true;
-    return result;
-  }
-
-  // For relative vertical movement. Dir may be -1 or 1. Unit can be
-  // "page" or "line". The resulting position will have a hitSide=true
-  // property if it reached the end of the document.
-  function findPosV(cm, pos, dir, unit) {
-    var doc = cm.doc, x = pos.left, y;
-    if (unit == "page") {
-      var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
-      y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
-    } else if (unit == "line") {
-      y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
-    }
-    for (;;) {
-      var target = coordsChar(cm, x, y);
-      if (!target.outside) break;
-      if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
-      y += dir * 5;
-    }
-    return target;
-  }
-
-  // Find the word at the given position (as returned by coordsChar).
-  function findWordAt(doc, pos) {
-    var line = getLine(doc, pos.line).text;
-    var start = pos.ch, end = pos.ch;
-    if (line) {
-      if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end;
-      var startChar = line.charAt(start);
-      var check = isWordChar(startChar) ? isWordChar
-        : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
-        : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
-      while (start > 0 && check(line.charAt(start - 1))) --start;
-      while (end < line.length && check(line.charAt(end))) ++end;
-    }
-    return new Range(Pos(pos.line, start), Pos(pos.line, end));
-  }
-
-  // EDITOR METHODS
-
-  // The publicly visible API. Note that methodOp(f) means
-  // 'wrap f in an operation, performed on its `this` parameter'.
-
-  // This is not the complete set of editor methods. Most of the
-  // methods defined on the Doc type are also injected into
-  // CodeMirror.prototype, for backwards compatibility and
-  // convenience.
-
-  CodeMirror.prototype = {
-    constructor: CodeMirror,
-    focus: function(){window.focus(); focusInput(this); fastPoll(this);},
-
-    setOption: function(option, value) {
-      var options = this.options, old = options[option];
-      if (options[option] == value && option != "mode") return;
-      options[option] = value;
-      if (optionHandlers.hasOwnProperty(option))
-        operation(this, optionHandlers[option])(this, value, old);
-    },
-
-    getOption: function(option) {return this.options[option];},
-    getDoc: function() {return this.doc;},
-
-    addKeyMap: function(map, bottom) {
-      this.state.keyMaps[bottom ? "push" : "unshift"](map);
-    },
-    removeKeyMap: function(map) {
-      var maps = this.state.keyMaps;
-      for (var i = 0; i < maps.length; ++i)
-        if (maps[i] == map || (typeof maps[i] != "string" && maps[i].name == map)) {
-          maps.splice(i, 1);
-          return true;
-        }
-    },
-
-    addOverlay: methodOp(function(spec, options) {
-      var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
-      if (mode.startState) throw new Error("Overlays may not be stateful.");
-      this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
-      this.state.modeGen++;
-      regChange(this);
-    }),
-    removeOverlay: methodOp(function(spec) {
-      var overlays = this.state.overlays;
-      for (var i = 0; i < overlays.length; ++i) {
-        var cur = overlays[i].modeSpec;
-        if (cur == spec || typeof spec == "string" && cur.name == spec) {
-          overlays.splice(i, 1);
-          this.state.modeGen++;
-          regChange(this);
-          return;
-        }
-      }
-    }),
-
-    indentLine: methodOp(function(n, dir, aggressive) {
-      if (typeof dir != "string" && typeof dir != "number") {
-        if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
-        else dir = dir ? "add" : "subtract";
-      }
-      if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
-    }),
-    indentSelection: methodOp(function(how) {
-      var ranges = this.doc.sel.ranges, end = -1;
-      for (var i = 0; i < ranges.length; i++) {
-        var range = ranges[i];
-        if (!range.empty()) {
-          var start = Math.max(end, range.from().line);
-          var to = range.to();
-          end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
-          for (var j = start; j < end; ++j)
-            indentLine(this, j, how);
-        } else if (range.head.line > end) {
-          indentLine(this, range.head.line, how, true);
-          end = range.head.line;
-          if (i == this.doc.sel.primIndex) ensureCursorVisible(this);
-        }
-      }
-    }),
-
-    // Fetch the parser token for a given character. Useful for hacks
-    // that want to inspect the mode state (say, for completion).
-    getTokenAt: function(pos, precise) {
-      var doc = this.doc;
-      pos = clipPos(doc, pos);
-      var state = getStateBefore(this, pos.line, precise), mode = this.doc.mode;
-      var line = getLine(doc, pos.line);
-      var stream = new StringStream(line.text, this.options.tabSize);
-      while (stream.pos < pos.ch && !stream.eol()) {
-        stream.start = stream.pos;
-        var style = readToken(mode, stream, state);
-      }
-      return {start: stream.start,
-              end: stream.pos,
-              string: stream.current(),
-              type: style || null,
-              state: state};
-    },
-
-    getTokenTypeAt: function(pos) {
-      pos = clipPos(this.doc, pos);
-      var styles = getLineStyles(this, getLine(this.doc, pos.line));
-      var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
-      var type;
-      if (ch == 0) type = styles[2];
-      else for (;;) {
-        var mid = (before + after) >> 1;
-        if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
-        else if (styles[mid * 2 + 1] < ch) before = mid + 1;
-        else { type = styles[mid * 2 + 2]; break; }
-      }
-      var cut = type ? type.indexOf("cm-overlay ") : -1;
-      return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
-    },
-
-    getModeAt: function(pos) {
-      var mode = this.doc.mode;
-      if (!mode.innerMode) return mode;
-      return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode;
-    },
-
-    getHelper: function(pos, type) {
-      return this.getHelpers(pos, type)[0];
-    },
-
-    getHelpers: function(pos, type) {
-      var found = [];
-      if (!helpers.hasOwnProperty(type)) return helpers;
-      var help = helpers[type], mode = this.getModeAt(pos);
-      if (typeof mode[type] == "string") {
-        if (help[mode[type]]) found.push(help[mode[type]]);
-      } else if (mode[type]) {
-        for (var i = 0; i < mode[type].length; i++) {
-          var val = help[mode[type][i]];
-          if (val) found.push(val);
-        }
-      } else if (mode.helperType && help[mode.helperType]) {
-        found.push(help[mode.helperType]);
-      } else if (help[mode.name]) {
-        found.push(help[mode.name]);
-      }
-      for (var i = 0; i < help._global.length; i++) {
-        var cur = help._global[i];
-        if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
-          found.push(cur.val);
-      }
-      return found;
-    },
-
-    getStateAfter: function(line, precise) {
-      var doc = this.doc;
-      line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
-      return getStateBefore(this, line + 1, precise);
-    },
-
-    cursorCoords: function(start, mode) {
-      var pos, range = this.doc.sel.primary();
-      if (start == null) pos = range.head;
-      else if (typeof start == "object") pos = clipPos(this.doc, start);
-      else pos = start ? range.from() : range.to();
-      return cursorCoords(this, pos, mode || "page");
-    },
-
-    charCoords: function(pos, mode) {
-      return charCoords(this, clipPos(this.doc, pos), mode || "page");
-    },
-
-    coordsChar: function(coords, mode) {
-      coords = fromCoordSystem(this, coords, mode || "page");
-      return coordsChar(this, coords.left, coords.top);
-    },
-
-    lineAtHeight: function(height, mode) {
-      height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
-      return lineAtHeight(this.doc, height + this.display.viewOffset);
-    },
-    heightAtLine: function(line, mode) {
-      var end = false, last = this.doc.first + this.doc.size - 1;
-      if (line < this.doc.first) line = this.doc.first;
-      else if (line > last) { line = last; end = true; }
-      var lineObj = getLine(this.doc, line);
-      return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top +
-        (end ? this.doc.height - heightAtLine(lineObj) : 0);
-    },
-
-    defaultTextHeight: function() { return textHeight(this.display); },
-    defaultCharWidth: function() { return charWidth(this.display); },
-
-    setGutterMarker: methodOp(function(line, gutterID, value) {
-      return changeLine(this, line, "gutter", function(line) {
-        var markers = line.gutterMarkers || (line.gutterMarkers = {});
-        markers[gutterID] = value;
-        if (!value && isEmpty(markers)) line.gutterMarkers = null;
-        return true;
-      });
-    }),
-
-    clearGutter: methodOp(function(gutterID) {
-      var cm = this, doc = cm.doc, i = doc.first;
-      doc.iter(function(line) {
-        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
-          line.gutterMarkers[gutterID] = null;
-          regLineChange(cm, i, "gutter");
-          if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
-        }
-        ++i;
-      });
-    }),
-
-    addLineClass: methodOp(function(handle, where, cls) {
-      return changeLine(this, handle, "class", function(line) {
-        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
-        if (!line[prop]) line[prop] = cls;
-        else if (new RegExp("(?:^|\\s)" + cls + "(?:$|\\s)").test(line[prop])) return false;
-        else line[prop] += " " + cls;
-        return true;
-      });
-    }),
-
-    removeLineClass: methodOp(function(handle, where, cls) {
-      return changeLine(this, handle, "class", function(line) {
-        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
-        var cur = line[prop];
-        if (!cur) return false;
-        else if (cls == null) line[prop] = null;
-        else {
-          var found = cur.match(new RegExp("(?:^|\\s+)" + cls + "(?:$|\\s+)"));
-          if (!found) return false;
-          var end = found.index + found[0].length;
-          line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
-        }
-        return true;
-      });
-    }),
-
-    addLineWidget: methodOp(function(handle, node, options) {
-      return addLineWidget(this, handle, node, options);
-    }),
-
-    removeLineWidget: function(widget) { widget.clear(); },
-
-    lineInfo: function(line) {
-      if (typeof line == "number") {
-        if (!isLine(this.doc, line)) return null;
-        var n = line;
-        line = getLine(this.doc, line);
-        if (!line) return null;
-      } else {
-        var n = lineNo(line);
-        if (n == null) return null;
-      }
-      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
-              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
-              widgets: line.widgets};
-    },
-
-    getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};},
-
-    addWidget: function(pos, node, scroll, vert, horiz) {
-      var display = this.display;
-      pos = cursorCoords(this, clipPos(this.doc, pos));
-      var top = pos.bottom, left = pos.left;
-      node.style.position = "absolute";
-      display.sizer.appendChild(node);
-      if (vert == "over") {
-        top = pos.top;
-      } else if (vert == "above" || vert == "near") {
-        var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
-        hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
-        // Default to positioning above (if specified and possible); otherwise default to positioning below
-        if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
-          top = pos.top - node.offsetHeight;
-        else if (pos.bottom + node.offsetHeight <= vspace)
-          top = pos.bottom;
-        if (left + node.offsetWidth > hspace)
-          left = hspace - node.offsetWidth;
-      }
-      node.style.top = top + "px";
-      node.style.left = node.style.right = "";
-      if (horiz == "right") {
-        left = display.sizer.clientWidth - node.offsetWidth;
-        node.style.right = "0px";
-      } else {
-        if (horiz == "left") left = 0;
-        else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
-        node.style.left = left + "px";
-      }
-      if (scroll)
-        scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
-    },
-
-    triggerOnKeyDown: methodOp(onKeyDown),
-    triggerOnKeyPress: methodOp(onKeyPress),
-    triggerOnKeyUp: methodOp(onKeyUp),
-
-    execCommand: function(cmd) {
-      if (commands.hasOwnProperty(cmd))
-        return commands[cmd](this);
-    },
-
-    findPosH: function(from, amount, unit, visually) {
-      var dir = 1;
-      if (amount < 0) { dir = -1; amount = -amount; }
-      for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
-        cur = findPosH(this.doc, cur, dir, unit, visually);
-        if (cur.hitSide) break;
-      }
-      return cur;
-    },
-
-    moveH: methodOp(function(dir, unit) {
-      var cm = this;
-      cm.extendSelectionsBy(function(range) {
-        if (cm.display.shift || cm.doc.extend || range.empty())
-          return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually);
-        else
-          return dir < 0 ? range.from() : range.to();
-      }, sel_move);
-    }),
-
-    deleteH: methodOp(function(dir, unit) {
-      var sel = this.doc.sel, doc = this.doc;
-      if (sel.somethingSelected())
-        doc.replaceSelection("", null, "+delete");
-      else
-        deleteNearSelection(this, function(range) {
-          var other = findPosH(doc, range.head, dir, unit, false);
-          return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other};
-        });
-    }),
-
-    findPosV: function(from, amount, unit, goalColumn) {
-      var dir = 1, x = goalColumn;
-      if (amount < 0) { dir = -1; amount = -amount; }
-      for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
-        var coords = cursorCoords(this, cur, "div");
-        if (x == null) x = coords.left;
-        else coords.left = x;
-        cur = findPosV(this, coords, dir, unit);
-        if (cur.hitSide) break;
-      }
-      return cur;
-    },
-
-    moveV: methodOp(function(dir, unit) {
-      var cm = this, doc = this.doc, goals = [];
-      var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected();
-      doc.extendSelectionsBy(function(range) {
-        if (collapse)
-          return dir < 0 ? range.from() : range.to();
-        var headPos = cursorCoords(cm, range.head, "div");
-        if (range.goalColumn != null) headPos.left = range.goalColumn;
-        goals.push(headPos.left);
-        var pos = findPosV(cm, headPos, dir, unit);
-        if (unit == "page" && range == doc.sel.primary())
-          addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top);
-        return pos;
-      }, sel_move);
-      if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++)
-        doc.sel.ranges[i].goalColumn = goals[i];
-    }),
-
-    toggleOverwrite: function(value) {
-      if (value != null && value == this.state.overwrite) return;
-      if (this.state.overwrite = !this.state.overwrite)
-        addClass(this.display.cursorDiv, "CodeMirror-overwrite");
-      else
-        rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
-
-      signal(this, "overwriteToggle", this, this.state.overwrite);
-    },
-    hasFocus: function() { return activeElt() == this.display.input; },
-
-    scrollTo: methodOp(function(x, y) {
-      if (x != null || y != null) resolveScrollToPos(this);
-      if (x != null) this.curOp.scrollLeft = x;
-      if (y != null) this.curOp.scrollTop = y;
-    }),
-    getScrollInfo: function() {
-      var scroller = this.display.scroller, co = scrollerCutOff;
-      return {left: scroller.scrollLeft, top: scroller.scrollTop,
-              height: scroller.scrollHeight - co, width: scroller.scrollWidth - co,
-              clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co};
-    },
-
-    scrollIntoView: methodOp(function(range, margin) {
-      if (range == null) {
-        range = {from: this.doc.sel.primary().head, to: null};
-        if (margin == null) margin = this.options.cursorScrollMargin;
-      } else if (typeof range == "number") {
-        range = {from: Pos(range, 0), to: null};
-      } else if (range.from == null) {
-        range = {from: range, to: null};
-      }
-      if (!range.to) range.to = range.from;
-      range.margin = margin || 0;
-
-      if (range.from.line != null) {
-        resolveScrollToPos(this);
-        this.curOp.scrollToPos = range;
-      } else {
-        var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left),
-                                      Math.min(range.from.top, range.to.top) - range.margin,
-                                      Math.max(range.from.right, range.to.right),
-                                      Math.max(range.from.bottom, range.to.bottom) + range.margin);
-        this.scrollTo(sPos.scrollLeft, sPos.scrollTop);
-      }
-    }),
-
-    setSize: methodOp(function(width, height) {
-      function interpret(val) {
-        return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
-      }
-      if (width != null) this.display.wrapper.style.width = interpret(width);
-      if (height != null) this.display.wrapper.style.height = interpret(height);
-      if (this.options.lineWrapping) clearLineMeasurementCache(this);
-      this.curOp.forceUpdate = true;
-      signal(this, "refresh", this);
-    }),
-
-    operation: function(f){return runInOp(this, f);},
-
-    refresh: methodOp(function() {
-      var oldHeight = this.display.cachedTextHeight;
-      regChange(this);
-      this.curOp.forceUpdate = true;
-      clearCaches(this);
-      this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop);
-      updateGutterSpace(this);
-      if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
-        estimateLineHeights(this);
-      signal(this, "refresh", this);
-    }),
-
-    swapDoc: methodOp(function(doc) {
-      var old = this.doc;
-      old.cm = null;
-      attachDoc(this, doc);
-      clearCaches(this);
-      resetInput(this);
-      this.scrollTo(doc.scrollLeft, doc.scrollTop);
-      signalLater(this, "swapDoc", this, old);
-      return old;
-    }),
-
-    getInputField: function(){return this.display.input;},
-    getWrapperElement: function(){return this.display.wrapper;},
-    getScrollerElement: function(){return this.display.scroller;},
-    getGutterElement: function(){return this.display.gutters;}
-  };
-  eventMixin(CodeMirror);
-
-  // OPTION DEFAULTS
-
-  // The default configuration options.
-  var defaults = CodeMirror.defaults = {};
-  // Functions to run when options are changed.
-  var optionHandlers = CodeMirror.optionHandlers = {};
-
-  function option(name, deflt, handle, notOnInit) {
-    CodeMirror.defaults[name] = deflt;
-    if (handle) optionHandlers[name] =
-      notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
-  }
-
-  // Passed to option handlers when there is no old value.
-  var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
-
-  // These two are, on init, called from the constructor because they
-  // have to be initialized before the editor can start at all.
-  option("value", "", function(cm, val) {
-    cm.setValue(val);
-  }, true);
-  option("mode", null, function(cm, val) {
-    cm.doc.modeOption = val;
-    loadMode(cm);
-  }, true);
-
-  option("indentUnit", 2, loadMode, true);
-  option("indentWithTabs", false);
-  option("smartIndent", true);
-  option("tabSize", 4, function(cm) {
-    resetModeState(cm);
-    clearCaches(cm);
-    regChange(cm);
-  }, true);
-  option("specialChars", /[\t\u0000-\u0019\u00ad\u200b\u2028\u2029\ufeff]/g, function(cm, val) {
-    cm.options.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
-    cm.refresh();
-  }, true);
-  option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true);
-  option("electricChars", true);
-  option("rtlMoveVisually", !windows);
-  option("wholeLineUpdateBefore", true);
-
-  option("theme", "default", function(cm) {
-    themeChanged(cm);
-    guttersChanged(cm);
-  }, true);
-  option("keyMap", "default", keyMapChanged);
-  option("extraKeys", null);
-
-  option("lineWrapping", false, wrappingChanged, true);
-  option("gutters", [], function(cm) {
-    setGuttersForLineNumbers(cm.options);
-    guttersChanged(cm);
-  }, true);
-  option("fixedGutter", true, function(cm, val) {
-    cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
-    cm.refresh();
-  }, true);
-  option("coverGutterNextToScrollbar", false, updateScrollbars, true);
-  option("lineNumbers", false, function(cm) {
-    setGuttersForLineNumbers(cm.options);
-    guttersChanged(cm);
-  }, true);
-  option("firstLineNumber", 1, guttersChanged, true);
-  option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
-  option("showCursorWhenSelecting", false, updateSelection, true);
-
-  option("resetSelectionOnContextMenu", true);
-
-  option("readOnly", false, function(cm, val) {
-    if (val == "nocursor") {
-      onBlur(cm);
-      cm.display.input.blur();
-      cm.display.disabled = true;
-    } else {
-      cm.display.disabled = false;
-      if (!val) resetInput(cm);
-    }
-  });
-  option("disableInput", false, function(cm, val) {if (!val) resetInput(cm);}, true);
-  option("dragDrop", true);
-
-  option("cursorBlinkRate", 530);
-  option("cursorScrollMargin", 0);
-  option("cursorHeight", 1);
-  option("workTime", 100);
-  option("workDelay", 100);
-  option("flattenSpans", true, resetModeState, true);
-  option("addModeClass", false, resetModeState, true);
-  option("pollInterval", 100);
-  option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;});
-  option("historyEventDelay", 1250);
-  option("viewportMargin", 10, function(cm){cm.refresh();}, true);
-  option("maxHighlightLength", 10000, resetModeState, true);
-  option("moveInputWithCursor", true, function(cm, val) {
-    if (!val) cm.display.inputDiv.style.top = cm.display.inputDiv.style.left = 0;
-  });
-
-  option("tabindex", null, function(cm, val) {
-    cm.display.input.tabIndex = val || "";
-  });
-  option("autofocus", null);
-
-  // MODE DEFINITION AND QUERYING
-
-  // Known modes, by name and by MIME
-  var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
-
-  // Extra arguments are stored as the mode's dependencies, which is
-  // used by (legacy) mechanisms like loadmode.js to automatically
-  // load a mode. (Preferred mechanism is the require/define calls.)
-  CodeMirror.defineMode = function(name, mode) {
-    if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
-    if (arguments.length > 2) {
-      mode.dependencies = [];
-      for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
-    }
-    modes[name] = mode;
-  };
-
-  CodeMirror.defineMIME = function(mime, spec) {
-    mimeModes[mime] = spec;
-  };
-
-  // Given a MIME type, a {name, ...options} config object, or a name
-  // string, return a mode config object.
-  CodeMirror.resolveMode = function(spec) {
-    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
-      spec = mimeModes[spec];
-    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
-      var found = mimeModes[spec.name];
-      if (typeof found == "string") found = {name: found};
-      spec = createObj(found, spec);
-      spec.name = found.name;
-    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
-      return CodeMirror.resolveMode("application/xml");
-    }
-    if (typeof spec == "string") return {name: spec};
-    else return spec || {name: "null"};
-  };
-
-  // Given a mode spec (anything that resolveMode accepts), find and
-  // initialize an actual mode object.
-  CodeMirror.getMode = function(options, spec) {
-    var spec = CodeMirror.resolveMode(spec);
-    var mfactory = modes[spec.name];
-    if (!mfactory) return CodeMirror.getMode(options, "text/plain");
-    var modeObj = mfactory(options, spec);
-    if (modeExtensions.hasOwnProperty(spec.name)) {
-      var exts = modeExtensions[spec.name];
-      for (var prop in exts) {
-        if (!exts.hasOwnProperty(prop)) continue;
-        if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
-        modeObj[prop] = exts[prop];
-      }
-    }
-    modeObj.name = spec.name;
-    if (spec.helperType) modeObj.helperType = spec.helperType;
-    if (spec.modeProps) for (var prop in spec.modeProps)
-      modeObj[prop] = spec.modeProps[prop];
-
-    return modeObj;
-  };
-
-  // Minimal default mode.
-  CodeMirror.defineMode("null", function() {
-    return {token: function(stream) {stream.skipToEnd();}};
-  });
-  CodeMirror.defineMIME("text/plain", "null");
-
-  // This can be used to attach properties to mode objects from
-  // outside the actual mode definition.
-  var modeExtensions = CodeMirror.modeExtensions = {};
-  CodeMirror.extendMode = function(mode, properties) {
-    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
-    copyObj(properties, exts);
-  };
-
-  // EXTENSIONS
-
-  CodeMirror.defineExtension = function(name, func) {
-    CodeMirror.prototype[name] = func;
-  };
-  CodeMirror.defineDocExtension = function(name, func) {
-    Doc.prototype[name] = func;
-  };
-  CodeMirror.defineOption = option;
-
-  var initHooks = [];
-  CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
-
-  var helpers = CodeMirror.helpers = {};
-  CodeMirror.registerHelper = function(type, name, value) {
-    if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []};
-    helpers[type][name] = value;
-  };
-  CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
-    CodeMirror.registerHelper(type, name, value);
-    helpers[type]._global.push({pred: predicate, val: value});
-  };
-
-  // MODE STATE HANDLING
-
-  // Utility functions for working with state. Exported because nested
-  // modes need to do this for their inner modes.
-
-  var copyState = CodeMirror.copyState = function(mode, state) {
-    if (state === true) return state;
-    if (mode.copyState) return mode.copyState(state);
-    var nstate = {};
-    for (var n in state) {
-      var val = state[n];
-      if (val instanceof Array) val = val.concat([]);
-      nstate[n] = val;
-    }
-    return nstate;
-  };
-
-  var startState = CodeMirror.startState = function(mode, a1, a2) {
-    return mode.startState ? mode.startState(a1, a2) : true;
-  };
-
-  // Given a mode and a state (for that mode), find the inner mode and
-  // state at the position that the state refers to.
-  CodeMirror.innerMode = function(mode, state) {
-    while (mode.innerMode) {
-      var info = mode.innerMode(state);
-      if (!info || info.mode == mode) break;
-      state = info.state;
-      mode = info.mode;
-    }
-    return info || {mode: mode, state: state};
-  };
-
-  // STANDARD COMMANDS
-
-  // Commands are parameter-less actions that can be performed on an
-  // editor, mostly used for keybindings.
-  var commands = CodeMirror.commands = {
-    selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);},
-    singleSelection: function(cm) {
-      cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll);
-    },
-    killLine: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        if (range.empty()) {
-          var len = getLine(cm.doc, range.head.line).text.length;
-          if (range.head.ch == len && range.head.line < cm.lastLine())
-            return {from: range.head, to: Pos(range.head.line + 1, 0)};
-          else
-            return {from: range.head, to: Pos(range.head.line, len)};
-        } else {
-          return {from: range.from(), to: range.to()};
-        }
-      });
-    },
-    deleteLine: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        return {from: Pos(range.from().line, 0),
-                to: clipPos(cm.doc, Pos(range.to().line + 1, 0))};
-      });
-    },
-    delLineLeft: function(cm) {
-      deleteNearSelection(cm, function(range) {
-        return {from: Pos(range.from().line, 0), to: range.from()};
-      });
-    },
-    undo: function(cm) {cm.undo();},
-    redo: function(cm) {cm.redo();},
-    undoSelection: function(cm) {cm.undoSelection();},
-    redoSelection: function(cm) {cm.redoSelection();},
-    goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
-    goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
-    goLineStart: function(cm) {
-      cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, sel_move);
-    },
-    goLineStartSmart: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        var start = lineStart(cm, range.head.line);
-        var line = cm.getLineHandle(start.line);
-        var order = getOrder(line);
-        if (!order || order[0].level == 0) {
-          var firstNonWS = Math.max(0, line.text.search(/\S/));
-          var inWS = range.head.line == start.line && range.head.ch <= firstNonWS && range.head.ch;
-          return Pos(start.line, inWS ? 0 : firstNonWS);
-        }
-        return start;
-      }, sel_move);
-    },
-    goLineEnd: function(cm) {
-      cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, sel_move);
-    },
-    goLineRight: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
-      }, sel_move);
-    },
-    goLineLeft: function(cm) {
-      cm.extendSelectionsBy(function(range) {
-        var top = cm.charCoords(range.head, "div").top + 5;
-        return cm.coordsChar({left: 0, top: top}, "div");
-      }, sel_move);
-    },
-    goLineUp: function(cm) {cm.moveV(-1, "line");},
-    goLineDown: function(cm) {cm.moveV(1, "line");},
-    goPageUp: function(cm) {cm.moveV(-1, "page");},
-    goPageDown: function(cm) {cm.moveV(1, "page");},
-    goCharLeft: function(cm) {cm.moveH(-1, "char");},
-    goCharRight: function(cm) {cm.moveH(1, "char");},
-    goColumnLeft: function(cm) {cm.moveH(-1, "column");},
-    goColumnRight: function(cm) {cm.moveH(1, "column");},
-    goWordLeft: function(cm) {cm.moveH(-1, "word");},
-    goGroupRight: function(cm) {cm.moveH(1, "group");},
-    goGroupLeft: function(cm) {cm.moveH(-1, "group");},
-    goWordRight: function(cm) {cm.moveH(1, "word");},
-    delCharBefore: function(cm) {cm.deleteH(-1, "char");},
-    delCharAfter: function(cm) {cm.deleteH(1, "char");},
-    delWordBefore: function(cm) {cm.deleteH(-1, "word");},
-    delWordAfter: function(cm) {cm.deleteH(1, "word");},
-    delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
-    delGroupAfter: function(cm) {cm.deleteH(1, "group");},
-    indentAuto: function(cm) {cm.indentSelection("smart");},
-    indentMore: function(cm) {cm.indentSelection("add");},
-    indentLess: function(cm) {cm.indentSelection("subtract");},
-    insertTab: function(cm) {cm.replaceSelection("\t");},
-    insertSoftTab: function(cm) {
-      var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
-      for (var i = 0; i < ranges.length; i++) {
-        var pos = ranges[i].from();
-        var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
-        spaces.push(new Array(tabSize - col % tabSize + 1).join(" "));
-      }
-      cm.replaceSelections(spaces);
-    },
-    defaultTab: function(cm) {
-      if (cm.somethingSelected()) cm.indentSelection("add");
-      else cm.execCommand("insertTab");
-    },
-    transposeChars: function(cm) {
-      runInOp(cm, function() {
-        var ranges = cm.listSelections();
-        for (var i = 0; i < ranges.length; i++) {
-          var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
-          if (cur.ch > 0 && cur.ch < line.length - 1)
-            cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
-                            Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1));
-        }
-      });
-    },
-    newlineAndIndent: function(cm) {
-      runInOp(cm, function() {
-        var len = cm.listSelections().length;
-        for (var i = 0; i < len; i++) {
-          var range = cm.listSelections()[i];
-          cm.replaceRange("\n", range.anchor, range.head, "+input");
-          cm.indentLine(range.from().line + 1, null, true);
-          ensureCursorVisible(cm);
-        }
-      });
-    },
-    toggleOverwrite: function(cm) {cm.toggleOverwrite();}
-  };
-
-  // STANDARD KEYMAPS
-
-  var keyMap = CodeMirror.keyMap = {};
-  keyMap.basic = {
-    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
-    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
-    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
-    "Tab": "defaultTab", "Shift-Tab": "indentAuto",
-    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
-    "Esc": "singleSelection"
-  };
-  // Note that the save and find-related commands aren't defined by
-  // default. User code or addons can define them. Unknown commands
-  // are simply ignored.
-  keyMap.pcDefault = {
-    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
-    "Ctrl-Home": "goDocStart", "Ctrl-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
-    "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
-    "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
-    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
-    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
-    "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
-    fallthrough: "basic"
-  };
-  keyMap.macDefault = {
-    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
-    "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
-    "Alt-Right": "goGroupRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delGroupBefore",
-    "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
-    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
-    "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delLineLeft",
-    "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection",
-    fallthrough: ["basic", "emacsy"]
-  };
-  // Very basic readline/emacs-style bindings, which are standard on Mac.
-  keyMap.emacsy = {
-    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
-    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
-    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
-    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
-  };
-  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
-
-  // KEYMAP DISPATCH
-
-  function getKeyMap(val) {
-    if (typeof val == "string") return keyMap[val];
-    else return val;
-  }
-
-  // Given an array of keymaps and a key name, call handle on any
-  // bindings found, until that returns a truthy value, at which point
-  // we consider the key handled. Implements things like binding a key
-  // to false stopping further handling and keymap fallthrough.
-  var lookupKey = CodeMirror.lookupKey = function(name, maps, handle) {
-    function lookup(map) {
-      map = getKeyMap(map);
-      var found = map[name];
-      if (found === false) return "stop";
-      if (found != null && handle(found)) return true;
-      if (map.nofallthrough) return "stop";
-
-      var fallthrough = map.fallthrough;
-      if (fallthrough == null) return false;
-      if (Object.prototype.toString.call(fallthrough) != "[object Array]")
-        return lookup(fallthrough);
-      for (var i = 0; i < fallthrough.length; ++i) {
-        var done = lookup(fallthrough[i]);
-        if (done) return done;
-      }
-      return false;
-    }
-
-    for (var i = 0; i < maps.length; ++i) {
-      var done = lookup(maps[i]);
-      if (done) return done != "stop";
-    }
-  };
-
-  // Modifier key presses don't count as 'real' key presses for the
-  // purpose of keymap fallthrough.
-  var isModifierKey = CodeMirror.isModifierKey = function(event) {
-    var name = keyNames[event.keyCode];
-    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
-  };
-
-  // Look up the name of a key as indicated by an event object.
-  var keyName = CodeMirror.keyName = function(event, noShift) {
-    if (presto && event.keyCode == 34 && event["char"]) return false;
-    var name = keyNames[event.keyCode];
-    if (name == null || event.altGraphKey) return false;
-    if (event.altKey) name = "Alt-" + name;
-    if (flipCtrlCmd ? event.metaKey : event.ctrlKey) name = "Ctrl-" + name;
-    if (flipCtrlCmd ? event.ctrlKey : event.metaKey) name = "Cmd-" + name;
-    if (!noShift && event.shiftKey) name = "Shift-" + name;
-    return name;
-  };
-
-  // FROMTEXTAREA
-
-  CodeMirror.fromTextArea = function(textarea, options) {
-    if (!options) options = {};
-    options.value = textarea.value;
-    if (!options.tabindex && textarea.tabindex)
-      options.tabindex = textarea.tabindex;
-    if (!options.placeholder && textarea.placeholder)
-      options.placeholder = textarea.placeholder;
-    // Set autofocus to true if this textarea is focused, or if it has
-    // autofocus and no other element is focused.
-    if (options.autofocus == null) {
-      var hasFocus = activeElt();
-      options.autofocus = hasFocus == textarea ||
-        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
-    }
-
-    function save() {textarea.value = cm.getValue();}
-    if (textarea.form) {
-      on(textarea.form, "submit", save);
-      // Deplorable hack to make the submit method do the right thing.
-      if (!options.leaveSubmitMethodAlone) {
-        var form = textarea.form, realSubmit = form.submit;
-        try {
-          var wrappedSubmit = form.submit = function() {
-            save();
-            form.submit = realSubmit;
-            form.submit();
-            form.submit = wrappedSubmit;
-          };
-        } catch(e) {}
-      }
-    }
-
-    textarea.style.display = "none";
-    var cm = CodeMirror(function(node) {
-      textarea.parentNode.insertBefore(node, textarea.nextSibling);
-    }, options);
-    cm.save = save;
-    cm.getTextArea = function() { return textarea; };
-    cm.toTextArea = function() {
-      save();
-      textarea.parentNode.removeChild(cm.getWrapperElement());
-      textarea.style.display = "";
-      if (textarea.form) {
-        off(textarea.form, "submit", save);
-        if (typeof textarea.form.submit == "function")
-          textarea.form.submit = realSubmit;
-      }
-    };
-    return cm;
-  };
-
-  // STRING STREAM
-
-  // Fed to the mode parsers, provides helper functions to make
-  // parsers more succinct.
-
-  var StringStream = CodeMirror.StringStream = function(string, tabSize) {
-    this.pos = this.start = 0;
-    this.string = string;
-    this.tabSize = tabSize || 8;
-    this.lastColumnPos = this.lastColumnValue = 0;
-    this.lineStart = 0;
-  };
-
-  StringStream.prototype = {
-    eol: function() {return this.pos >= this.string.length;},
-    sol: function() {return this.pos == this.lineStart;},
-    peek: function() {return this.string.charAt(this.pos) || undefined;},
-    next: function() {
-      if (this.pos < this.string.length)
-        return this.string.charAt(this.pos++);
-    },
-    eat: function(match) {
-      var ch = this.string.charAt(this.pos);
-      if (typeof match == "string") var ok = ch == match;
-      else var ok = ch && (match.test ? match.test(ch) : match(ch));
-      if (ok) {++this.pos; return ch;}
-    },
-    eatWhile: function(match) {
-      var start = this.pos;
-      while (this.eat(match)){}
-      return this.pos > start;
-    },
-    eatSpace: function() {
-      var start = this.pos;
-      while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
-      return this.pos > start;
-    },
-    skipToEnd: function() {this.pos = this.string.length;},
-    skipTo: function(ch) {
-      var found = this.string.indexOf(ch, this.pos);
-      if (found > -1) {this.pos = found; return true;}
-    },
-    backUp: function(n) {this.pos -= n;},
-    column: function() {
-      if (this.lastColumnPos < this.start) {
-        this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
-        this.lastColumnPos = this.start;
-      }
-      return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
-    },
-    indentation: function() {
-      return countColumn(this.string, null, this.tabSize) -
-        (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
-    },
-    match: function(pattern, consume, caseInsensitive) {
-      if (typeof pattern == "string") {
-        var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
-        var substr = this.string.substr(this.pos, pattern.length);
-        if (cased(substr) == cased(pattern)) {
-          if (consume !== false) this.pos += pattern.length;
-          return true;
-        }
-      } else {
-        var match = this.string.slice(this.pos).match(pattern);
-        if (match && match.index > 0) return null;
-        if (match && consume !== false) this.pos += match[0].length;
-        return match;
-      }
-    },
-    current: function(){return this.string.slice(this.start, this.pos);},
-    hideFirstChars: function(n, inner) {
-      this.lineStart += n;
-      try { return inner(); }
-      finally { this.lineStart -= n; }
-    }
-  };
-
-  // TEXTMARKERS
-
-  // Created with markText and setBookmark methods. A TextMarker is a
-  // handle that can be used to clear or find a marked position in the
-  // document. Line objects hold arrays (markedSpans) containing
-  // {from, to, marker} object pointing to such marker objects, and
-  // indicating that such a marker is present on that line. Multiple
-  // lines may point to the same marker when it spans across lines.
-  // The spans will have null for their from/to properties when the
-  // marker continues beyond the start/end of the line. Markers have
-  // links back to the lines they currently touch.
-
-  var TextMarker = CodeMirror.TextMarker = function(doc, type) {
-    this.lines = [];
-    this.type = type;
-    this.doc = doc;
-  };
-  eventMixin(TextMarker);
-
-  // Clear the marker.
-  TextMarker.prototype.clear = function() {
-    if (this.explicitlyCleared) return;
-    var cm = this.doc.cm, withOp = cm && !cm.curOp;
-    if (withOp) startOperation(cm);
-    if (hasHandler(this, "clear")) {
-      var found = this.find();
-      if (found) signalLater(this, "clear", found.from, found.to);
-    }
-    var min = null, max = null;
-    for (var i = 0; i < this.lines.length; ++i) {
-      var line = this.lines[i];
-      var span = getMarkedSpanFor(line.markedSpans, this);
-      if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text");
-      else if (cm) {
-        if (span.to != null) max = lineNo(line);
-        if (span.from != null) min = lineNo(line);
-      }
-      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
-      if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
-        updateLineHeight(line, textHeight(cm.display));
-    }
-    if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
-      var visual = visualLine(this.lines[i]), len = lineLength(visual);
-      if (len > cm.display.maxLineLength) {
-        cm.display.maxLine = visual;
-        cm.display.maxLineLength = len;
-        cm.display.maxLineChanged = true;
-      }
-    }
-
-    if (min != null && cm && this.collapsed) regChange(cm, min, max + 1);
-    this.lines.length = 0;
-    this.explicitlyCleared = true;
-    if (this.atomic && this.doc.cantEdit) {
-      this.doc.cantEdit = false;
-      if (cm) reCheckSelection(cm.doc);
-    }
-    if (cm) signalLater(cm, "markerCleared", cm, this);
-    if (withOp) endOperation(cm);
-    if (this.parent) this.parent.clear();
-  };
-
-  // Find the position of the marker in the document. Returns a {from,
-  // to} object by default. Side can be passed to get a specific side
-  // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
-  // Pos objects returned contain a line object, rather than a line
-  // number (used to prevent looking up the same line twice).
-  TextMarker.prototype.find = function(side, lineObj) {
-    if (side == null && this.type == "bookmark") side = 1;
-    var from, to;
-    for (var i = 0; i < this.lines.length; ++i) {
-      var line = this.lines[i];
-      var span = getMarkedSpanFor(line.markedSpans, this);
-      if (span.from != null) {
-        from = Pos(lineObj ? line : lineNo(line), span.from);
-        if (side == -1) return from;
-      }
-      if (span.to != null) {
-        to = Pos(lineObj ? line : lineNo(line), span.to);
-        if (side == 1) return to;
-      }
-    }
-    return from && {from: from, to: to};
-  };
-
-  // Signals that the marker's widget changed, and surrounding layout
-  // should be recomputed.
-  TextMarker.prototype.changed = function() {
-    var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
-    if (!pos || !cm) return;
-    runInOp(cm, function() {
-      var line = pos.line, lineN = lineNo(pos.line);
-      var view = findViewForLine(cm, lineN);
-      if (view) {
-        clearLineMeasurementCacheFor(view);
-        cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
-      }
-      cm.curOp.updateMaxLine = true;
-      if (!lineIsHidden(widget.doc, line) && widget.height != null) {
-        var oldHeight = widget.height;
-        widget.height = null;
-        var dHeight = widgetHeight(widget) - oldHeight;
-        if (dHeight)
-          updateLineHeight(line, line.height + dHeight);
-      }
-    });
-  };
-
-  TextMarker.prototype.attachLine = function(line) {
-    if (!this.lines.length && this.doc.cm) {
-      var op = this.doc.cm.curOp;
-      if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
-        (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
-    }
-    this.lines.push(line);
-  };
-  TextMarker.prototype.detachLine = function(line) {
-    this.lines.splice(indexOf(this.lines, line), 1);
-    if (!this.lines.length && this.doc.cm) {
-      var op = this.doc.cm.curOp;
-      (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
-    }
-  };
-
-  // Collapsed markers have unique ids, in order to be able to order
-  // them, which is needed for uniquely determining an outer marker
-  // when they overlap (they may nest, but not partially overlap).
-  var nextMarkerId = 0;
-
-  // Create a marker, wire it up to the right lines, and
-  function markText(doc, from, to, options, type) {
-    // Shared markers (across linked documents) are handled separately
-    // (markTextShared will call out to this again, once per
-    // document).
-    if (options && options.shared) return markTextShared(doc, from, to, options, type);
-    // Ensure we are in an operation.
-    if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
-
-    var marker = new TextMarker(doc, type), diff = cmp(from, to);
-    if (options) copyObj(options, marker, false);
-    // Don't connect empty markers unless clearWhenEmpty is false
-    if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
-      return marker;
-    if (marker.replacedWith) {
-      // Showing up as a widget implies collapsed (widget replaces text)
-      marker.collapsed = true;
-      marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget");
-      if (!options.handleMouseEvents) marker.widgetNode.ignoreEvents = true;
-      if (options.insertLeft) marker.widgetNode.insertLeft = true;
-    }
-    if (marker.collapsed) {
-      if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
-          from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
-        throw new Error("Inserting collapsed marker partially overlapping an existing one");
-      sawCollapsedSpans = true;
-    }
-
-    if (marker.addToHistory)
-      addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN);
-
-    var curLine = from.line, cm = doc.cm, updateMaxLine;
-    doc.iter(curLine, to.line + 1, function(line) {
-      if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
-        updateMaxLine = true;
-      if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0);
-      addMarkedSpan(line, new MarkedSpan(marker,
-                                         curLine == from.line ? from.ch : null,
-                                         curLine == to.line ? to.ch : null));
-      ++curLine;
-    });
-    // lineIsHidden depends on the presence of the spans, so needs a second pass
-    if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
-      if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
-    });
-
-    if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
-
-    if (marker.readOnly) {
-      sawReadOnlySpans = true;
-      if (doc.history.done.length || doc.history.undone.length)
-        doc.clearHistory();
-    }
-    if (marker.collapsed) {
-      marker.id = ++nextMarkerId;
-      marker.atomic = true;
-    }
-    if (cm) {
-      // Sync editor state
-      if (updateMaxLine) cm.curOp.updateMaxLine = true;
-      if (marker.collapsed)
-        regChange(cm, from.line, to.line + 1);
-      else if (marker.className || marker.title || marker.startStyle || marker.endStyle)
-        for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text");
-      if (marker.atomic) reCheckSelection(cm.doc);
-      signalLater(cm, "markerAdded", cm, marker);
-    }
-    return marker;
-  }
-
-  // SHARED TEXTMARKERS
-
-  // A shared marker spans multiple linked documents. It is
-  // implemented as a meta-marker-object controlling multiple normal
-  // markers.
-  var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) {
-    this.markers = markers;
-    this.primary = primary;
-    for (var i = 0; i < markers.length; ++i)
-      markers[i].parent = this;
-  };
-  eventMixin(SharedTextMarker);
-
-  SharedTextMarker.prototype.clear = function() {
-    if (this.explicitlyCleared) return;
-    this.explicitlyCleared = true;
-    for (var i = 0; i < this.markers.length; ++i)
-      this.markers[i].clear();
-    signalLater(this, "clear");
-  };
-  SharedTextMarker.prototype.find = function(side, lineObj) {
-    return this.primary.find(side, lineObj);
-  };
-
-  function markTextShared(doc, from, to, options, type) {
-    options = copyObj(options);
-    options.shared = false;
-    var markers = [markText(doc, from, to, options, type)], primary = markers[0];
-    var widget = options.widgetNode;
-    linkedDocs(doc, function(doc) {
-      if (widget) options.widgetNode = widget.cloneNode(true);
-      markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
-      for (var i = 0; i < doc.linked.length; ++i)
-        if (doc.linked[i].isParent) return;
-      primary = lst(markers);
-    });
-    return new SharedTextMarker(markers, primary);
-  }
-
-  function findSharedMarkers(doc) {
-    return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())),
-                         function(m) { return m.parent; });
-  }
-
-  function copySharedMarkers(doc, markers) {
-    for (var i = 0; i < markers.length; i++) {
-      var marker = markers[i], pos = marker.find();
-      var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
-      if (cmp(mFrom, mTo)) {
-        var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
-        marker.markers.push(subMark);
-        subMark.parent = marker;
-      }
-    }
-  }
-
-  function detachSharedMarkers(markers) {
-    for (var i = 0; i < markers.length; i++) {
-      var marker = markers[i], linked = [marker.primary.doc];;
-      linkedDocs(marker.primary.doc, function(d) { linked.push(d); });
-      for (var j = 0; j < marker.markers.length; j++) {
-        var subMarker = marker.markers[j];
-        if (indexOf(linked, subMarker.doc) == -1) {
-          subMarker.parent = null;
-          marker.markers.splice(j--, 1);
-        }
-      }
-    }
-  }
-
-  // TEXTMARKER SPANS
-
-  function MarkedSpan(marker, from, to) {
-    this.marker = marker;
-    this.from = from; this.to = to;
-  }
-
-  // Search an array of spans for a span matching the given marker.
-  function getMarkedSpanFor(spans, marker) {
-    if (spans) for (var i = 0; i < spans.length; ++i) {
-      var span = spans[i];
-      if (span.marker == marker) return span;
-    }
-  }
-  // Remove a span from an array, returning undefined if no spans are
-  // left (we don't store arrays for lines without spans).
-  function removeMarkedSpan(spans, span) {
-    for (var r, i = 0; i < spans.length; ++i)
-      if (spans[i] != span) (r || (r = [])).push(spans[i]);
-    return r;
-  }
-  // Add a span to a line.
-  function addMarkedSpan(line, span) {
-    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
-    span.marker.attachLine(line);
-  }
-
-  // Used for the algorithm that adjusts markers for a change in the
-  // document. These functions cut an array of spans at a given
-  // character position, returning an array of remaining chunks (or
-  // undefined if nothing remains).
-  function markedSpansBefore(old, startCh, isInsert) {
-    if (old) for (var i = 0, nw; i < old.length; ++i) {
-      var span = old[i], marker = span.marker;
-      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
-      if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
-        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
-        (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
-      }
-    }
-    return nw;
-  }
-  function markedSpansAfter(old, endCh, isInsert) {
-    if (old) for (var i = 0, nw; i < old.length; ++i) {
-      var span = old[i], marker = span.marker;
-      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
-      if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
-        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
-        (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
-                                              span.to == null ? null : span.to - endCh));
-      }
-    }
-    return nw;
-  }
-
-  // Given a change object, compute the new set of marker spans that
-  // cover the line in which the change took place. Removes spans
-  // entirely within the change, reconnects spans belonging to the
-  // same marker that appear on both sides of the change, and cuts off
-  // spans partially within the change. Returns an array of span
-  // arrays with one element for each line in (after) the change.
-  function stretchSpansOverChange(doc, change) {
-    var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
-    var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
-    if (!oldFirst && !oldLast) return null;
-
-    var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
-    // Get the spans that 'stick out' on both sides
-    var first = markedSpansBefore(oldFirst, startCh, isInsert);
-    var last = markedSpansAfter(oldLast, endCh, isInsert);
-
-    // Next, merge those two ends
-    var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
-    if (first) {
-      // Fix up .to properties of first
-      for (var i = 0; i < first.length; ++i) {
-        var span = first[i];
-        if (span.to == null) {
-          var found = getMarkedSpanFor(last, span.marker);
-          if (!found) span.to = startCh;
-          else if (sameLine) span.to = found.to == null ? null : found.to + offset;
-        }
-      }
-    }
-    if (last) {
-      // Fix up .from in last (or move them into first in case of sameLine)
-      for (var i = 0; i < last.length; ++i) {
-        var span = last[i];
-        if (span.to != null) span.to += offset;
-        if (span.from == null) {
-          var found = getMarkedSpanFor(first, span.marker);
-          if (!found) {
-            span.from = offset;
-            if (sameLine) (first || (first = [])).push(span);
-          }
-        } else {
-          span.from += offset;
-          if (sameLine) (first || (first = [])).push(span);
-        }
-      }
-    }
-    // Make sure we didn't create any zero-length spans
-    if (first) first = clearEmptySpans(first);
-    if (last && last != first) last = clearEmptySpans(last);
-
-    var newMarkers = [first];
-    if (!sameLine) {
-      // Fill gap with whole-line-spans
-      var gap = change.text.length - 2, gapMarkers;
-      if (gap > 0 && first)
-        for (var i = 0; i < first.length; ++i)
-          if (first[i].to == null)
-            (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
-      for (var i = 0; i < gap; ++i)
-        newMarkers.push(gapMarkers);
-      newMarkers.push(last);
-    }
-    return newMarkers;
-  }
-
-  // Remove spans that are empty and don't have a clearWhenEmpty
-  // option of false.
-  function clearEmptySpans(spans) {
-    for (var i = 0; i < spans.length; ++i) {
-      var span = spans[i];
-      if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
-        spans.splice(i--, 1);
-    }
-    if (!spans.length) return null;
-    return spans;
-  }
-
-  // Used for un/re-doing changes from the history. Combines the
-  // result of computing the existing spans with the set of spans that
-  // existed in the history (so that deleting around a span and then
-  // undoing brings back the span).
-  function mergeOldSpans(doc, change) {
-    var old = getOldSpans(doc, change);
-    var stretched = stretchSpansOverChange(doc, change);
-    if (!old) return stretched;
-    if (!stretched) return old;
-
-    for (var i = 0; i < old.length; ++i) {
-      var oldCur = old[i], stretchCur = stretched[i];
-      if (oldCur && stretchCur) {
-        spans: for (var j = 0; j < stretchCur.length; ++j) {
-          var span = stretchCur[j];
-          for (var k = 0; k < oldCur.length; ++k)
-            if (oldCur[k].marker == span.marker) continue spans;
-          oldCur.push(span);
-        }
-      } else if (stretchCur) {
-        old[i] = stretchCur;
-      }
-    }
-    return old;
-  }
-
-  // Used to 'clip' out readOnly ranges when making a change.
-  function removeReadOnlyRanges(doc, from, to) {
-    var markers = null;
-    doc.iter(from.line, to.line + 1, function(line) {
-      if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
-        var mark = line.markedSpans[i].marker;
-        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
-          (markers || (markers = [])).push(mark);
-      }
-    });
-    if (!markers) return null;
-    var parts = [{from: from, to: to}];
-    for (var i = 0; i < markers.length; ++i) {
-      var mk = markers[i], m = mk.find(0);
-      for (var j = 0; j < parts.length; ++j) {
-        var p = parts[j];
-        if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue;
-        var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
-        if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
-          newParts.push({from: p.from, to: m.from});
-        if (dto > 0 || !mk.inclusiveRight && !dto)
-          newParts.push({from: m.to, to: p.to});
-        parts.splice.apply(parts, newParts);
-        j += newParts.length - 1;
-      }
-    }
-    return parts;
-  }
-
-  // Connect or disconnect spans from a line.
-  function detachMarkedSpans(line) {
-    var spans = line.markedSpans;
-    if (!spans) return;
-    for (var i = 0; i < spans.length; ++i)
-      spans[i].marker.detachLine(line);
-    line.markedSpans = null;
-  }
-  function attachMarkedSpans(line, spans) {
-    if (!spans) return;
-    for (var i = 0; i < spans.length; ++i)
-      spans[i].marker.attachLine(line);
-    line.markedSpans = spans;
-  }
-
-  // Helpers used when computing which overlapping collapsed span
-  // counts as the larger one.
-  function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; }
-  function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; }
-
-  // Returns a number indicating which of two overlapping collapsed
-  // spans is larger (and thus includes the other). Falls back to
-  // comparing ids when the spans cover exactly the same range.
-  function compareCollapsedMarkers(a, b) {
-    var lenDiff = a.lines.length - b.lines.length;
-    if (lenDiff != 0) return lenDiff;
-    var aPos = a.find(), bPos = b.find();
-    var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
-    if (fromCmp) return -fromCmp;
-    var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
-    if (toCmp) return toCmp;
-    return b.id - a.id;
-  }
-
-  // Find out whether a line ends or starts in a collapsed span. If
-  // so, return the marker for that span.
-  function collapsedSpanAtSide(line, start) {
-    var sps = sawCollapsedSpans && line.markedSpans, found;
-    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
-      sp = sps[i];
-      if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
-          (!found || compareCollapsedMarkers(found, sp.marker) < 0))
-        found = sp.marker;
-    }
-    return found;
-  }
-  function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); }
-  function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); }
-
-  // Test whether there exists a collapsed span that partially
-  // overlaps (covers the start or end, but not both) of a new span.
-  // Such overlap is not allowed.
-  function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
-    var line = getLine(doc, lineNo);
-    var sps = sawCollapsedSpans && line.markedSpans;
-    if (sps) for (var i = 0; i < sps.length; ++i) {
-      var sp = sps[i];
-      if (!sp.marker.collapsed) continue;
-      var found = sp.marker.find(0);
-      var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
-      var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
-      if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue;
-      if (fromCmp <= 0 && (cmp(found.to, from) || extraRight(sp.marker) - extraLeft(marker)) > 0 ||
-          fromCmp >= 0 && (cmp(found.from, to) || extraLeft(sp.marker) - extraRight(marker)) < 0)
-        return true;
-    }
-  }
-
-  // A visual line is a line as drawn on the screen. Folding, for
-  // example, can cause multiple logical lines to appear on the same
-  // visual line. This finds the start of the visual line that the
-  // given line is part of (usually that is the line itself).
-  function visualLine(line) {
-    var merged;
-    while (merged = collapsedSpanAtStart(line))
-      line = merged.find(-1, true).line;
-    return line;
-  }
-
-  // Returns an array of logical lines that continue the visual line
-  // started by the argument, or undefined if there are no such lines.
-  function visualLineContinued(line) {
-    var merged, lines;
-    while (merged = collapsedSpanAtEnd(line)) {
-      line = merged.find(1, true).line;
-      (lines || (lines = [])).push(line);
-    }
-    return lines;
-  }
-
-  // Get the line number of the start of the visual line that the
-  // given line number is part of.
-  function visualLineNo(doc, lineN) {
-    var line = getLine(doc, lineN), vis = visualLine(line);
-    if (line == vis) return lineN;
-    return lineNo(vis);
-  }
-  // Get the line number of the start of the next visual line after
-  // the given line.
-  function visualLineEndNo(doc, lineN) {
-    if (lineN > doc.lastLine()) return lineN;
-    var line = getLine(doc, lineN), merged;
-    if (!lineIsHidden(doc, line)) return lineN;
-    while (merged = collapsedSpanAtEnd(line))
-      line = merged.find(1, true).line;
-    return lineNo(line) + 1;
-  }
-
-  // Compute whether a line is hidden. Lines count as hidden when they
-  // are part of a visual line that starts with another line, or when
-  // they are entirely covered by collapsed, non-widget span.
-  function lineIsHidden(doc, line) {
-    var sps = sawCollapsedSpans && line.markedSpans;
-    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
-      sp = sps[i];
-      if (!sp.marker.collapsed) continue;
-      if (sp.from == null) return true;
-      if (sp.marker.widgetNode) continue;
-      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
-        return true;
-    }
-  }
-  function lineIsHiddenInner(doc, line, span) {
-    if (span.to == null) {
-      var end = span.marker.find(1, true);
-      return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
-    }
-    if (span.marker.inclusiveRight && span.to == line.text.length)
-      return true;
-    for (var sp, i = 0; i < line.markedSpans.length; ++i) {
-      sp = line.markedSpans[i];
-      if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
-          (sp.to == null || sp.to != span.from) &&
-          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
-          lineIsHiddenInner(doc, line, sp)) return true;
-    }
-  }
-
-  // LINE WIDGETS
-
-  // Line widgets are block elements displayed above or below a line.
-
-  var LineWidget = CodeMirror.LineWidget = function(cm, node, options) {
-    if (options) for (var opt in options) if (options.hasOwnProperty(opt))
-      this[opt] = options[opt];
-    this.cm = cm;
-    this.node = node;
-  };
-  eventMixin(LineWidget);
-
-  function adjustScrollWhenAboveVisible(cm, line, diff) {
-    if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
-      addToScrollPos(cm, null, diff);
-  }
-
-  LineWidget.prototype.clear = function() {
-    var cm = this.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
-    if (no == null || !ws) return;
-    for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
-    if (!ws.length) line.widgets = null;
-    var height = widgetHeight(this);
-    runInOp(cm, function() {
-      adjustScrollWhenAboveVisible(cm, line, -height);
-      regLineChange(cm, no, "widget");
-      updateLineHeight(line, Math.max(0, line.height - height));
-    });
-  };
-  LineWidget.prototype.changed = function() {
-    var oldH = this.height, cm = this.cm, line = this.line;
-    this.height = null;
-    var diff = widgetHeight(this) - oldH;
-    if (!diff) return;
-    runInOp(cm, function() {
-      cm.curOp.forceUpdate = true;
-      adjustScrollWhenAboveVisible(cm, line, diff);
-      updateLineHeight(line, line.height + diff);
-    });
-  };
-
-  function widgetHeight(widget) {
-    if (widget.height != null) return widget.height;
-    if (!contains(document.body, widget.node))
-      removeChildrenAndAdd(widget.cm.display.measure, elt("div", [widget.node], null, "position: relative"));
-    return widget.height = widget.node.offsetHeight;
-  }
-
-  function addLineWidget(cm, handle, node, options) {
-    var widget = new LineWidget(cm, node, options);
-    if (widget.noHScroll) cm.display.alignWidgets = true;
-    changeLine(cm, handle, "widget", function(line) {
-      var widgets = line.widgets || (line.widgets = []);
-      if (widget.insertAt == null) widgets.push(widget);
-      else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget);
-      widget.line = line;
-      if (!lineIsHidden(cm.doc, line)) {
-        var aboveVisible = heightAtLine(line) < cm.doc.scrollTop;
-        updateLineHeight(line, line.height + widgetHeight(widget));
-        if (aboveVisible) addToScrollPos(cm, null, widget.height);
-        cm.curOp.forceUpdate = true;
-      }
-      return true;
-    });
-    return widget;
-  }
-
-  // LINE DATA STRUCTURE
-
-  // Line objects. These hold state related to a line, including
-  // highlighting info (the styles array).
-  var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) {
-    this.text = text;
-    attachMarkedSpans(this, markedSpans);
-    this.height = estimateHeight ? estimateHeight(this) : 1;
-  };
-  eventMixin(Line);
-  Line.prototype.lineNo = function() { return lineNo(this); };
-
-  // Change the content (text, markers) of a line. Automatically
-  // invalidates cached information and tries to re-estimate the
-  // line's height.
-  function updateLine(line, text, markedSpans, estimateHeight) {
-    line.text = text;
-    if (line.stateAfter) line.stateAfter = null;
-    if (line.styles) line.styles = null;
-    if (line.order != null) line.order = null;
-    detachMarkedSpans(line);
-    attachMarkedSpans(line, markedSpans);
-    var estHeight = estimateHeight ? estimateHeight(line) : 1;
-    if (estHeight != line.height) updateLineHeight(line, estHeight);
-  }
-
-  // Detach a line from the document tree and its markers.
-  function cleanUpLine(line) {
-    line.parent = null;
-    detachMarkedSpans(line);
-  }
-
-  function extractLineClasses(type, output) {
-    if (type) for (;;) {
-      var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
-      if (!lineClass) break;
-      type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
-      var prop = lineClass[1] ? "bgClass" : "textClass";
-      if (output[prop] == null)
-        output[prop] = lineClass[2];
-      else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
-        output[prop] += " " + lineClass[2];
-    }
-    return type;
-  }
-
-  function callBlankLine(mode, state) {
-    if (mode.blankLine) return mode.blankLine(state);
-    if (!mode.innerMode) return;
-    var inner = CodeMirror.innerMode(mode, state);
-    if (inner.mode.blankLine) return inner.mode.blankLine(inner.state);
-  }
-
-  function readToken(mode, stream, state) {
-    var style = mode.token(stream, state);
-    if (stream.pos <= stream.start)
-      throw new Error("Mode " + mode.name + " failed to advance stream.");
-    return style;
-  }
-
-  // Run the given mode's parser over a line, calling f for each token.
-  function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
-    var flattenSpans = mode.flattenSpans;
-    if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
-    var curStart = 0, curStyle = null;
-    var stream = new StringStream(text, cm.options.tabSize), style;
-    if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses);
-    while (!stream.eol()) {
-      if (stream.pos > cm.options.maxHighlightLength) {
-        flattenSpans = false;
-        if (forceToEnd) processLine(cm, text, state, stream.pos);
-        stream.pos = text.length;
-        style = null;
-      } else {
-        style = extractLineClasses(readToken(mode, stream, state), lineClasses);
-      }
-      if (cm.options.addModeClass) {
-        var mName = CodeMirror.innerMode(mode, state).mode.name;
-        if (mName) style = "m-" + (style ? mName + " " + style : mName);
-      }
-      if (!flattenSpans || curStyle != style) {
-        if (curStart < stream.start) f(stream.start, curStyle);
-        curStart = stream.start; curStyle = style;
-      }
-      stream.start = stream.pos;
-    }
-    while (curStart < stream.pos) {
-      // Webkit seems to refuse to render text nodes longer than 57444 characters
-      var pos = Math.min(stream.pos, curStart + 50000);
-      f(pos, curStyle);
-      curStart = pos;
-    }
-  }
-
-  // Compute a style array (an array starting with a mode generation
-  // -- for invalidation -- followed by pairs of end positions and
-  // style strings), which is used to highlight the tokens on the
-  // line.
-  function highlightLine(cm, line, state, forceToEnd) {
-    // A styles array always starts with a number identifying the
-    // mode/overlays that it is based on (for easy invalidation).
-    var st = [cm.state.modeGen], lineClasses = {};
-    // Compute the base array of styles
-    runMode(cm, line.text, cm.doc.mode, state, function(end, style) {
-      st.push(end, style);
-    }, lineClasses, forceToEnd);
-
-    // Run overlays, adjust style array.
-    for (var o = 0; o < cm.state.overlays.length; ++o) {
-      var overlay = cm.state.overlays[o], i = 1, at = 0;
-      runMode(cm, line.text, overlay.mode, true, function(end, style) {
-        var start = i;
-        // Ensure there's a token end at the current position, and that i points at it
-        while (at < end) {
-          var i_end = st[i];
-          if (i_end > end)
-            st.splice(i, 1, end, st[i+1], i_end);
-          i += 2;
-          at = Math.min(end, i_end);
-        }
-        if (!style) return;
-        if (overlay.opaque) {
-          st.splice(start, i - start, end, "cm-overlay " + style);
-          i = start + 2;
-        } else {
-          for (; start < i; start += 2) {
-            var cur = st[start+1];
-            st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style;
-          }
-        }
-      }, lineClasses);
-    }
-
-    return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null};
-  }
-
-  function getLineStyles(cm, line) {
-    if (!line.styles || line.styles[0] != cm.state.modeGen) {
-      var result = highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line)));
-      line.styles = result.styles;
-      if (result.classes) line.styleClasses = result.classes;
-      else if (line.styleClasses) line.styleClasses = null;
-    }
-    return line.styles;
-  }
-
-  // Lightweight form of highlight -- proceed over this line and
-  // update state, but don't save a style array. Used for lines that
-  // aren't currently visible.
-  function processLine(cm, text, state, startAt) {
-    var mode = cm.doc.mode;
-    var stream = new StringStream(text, cm.options.tabSize);
-    stream.start = stream.pos = startAt || 0;
-    if (text == "") callBlankLine(mode, state);
-    while (!stream.eol() && stream.pos <= cm.options.maxHighlightLength) {
-      readToken(mode, stream, state);
-      stream.start = stream.pos;
-    }
-  }
-
-  // Convert a style as returned by a mode (either null, or a string
-  // containing one or more styles) to a CSS style. This is cached,
-  // and also looks for line-wide styles.
-  var styleToClassCache = {}, styleToClassCacheWithMode = {};
-  function interpretTokenStyle(style, options) {
-    if (!style || /^\s*$/.test(style)) return null;
-    var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
-    return cache[style] ||
-      (cache[style] = style.replace(/\S+/g, "cm-$&"));
-  }
-
-  // Render the DOM representation of the text of a line. Also builds
-  // up a 'line map', which points at the DOM nodes that represent
-  // specific stretches of text, and is used by the measuring code.
-  // The returned object contains the DOM node, this map, and
-  // information about line-wide styles that were set by the mode.
-  function buildLineContent(cm, lineView) {
-    // The padding-right forces the element to have a 'border', which
-    // is needed on Webkit to be able to get line-level bounding
-    // rectangles for it (in measureChar).
-    var content = elt("span", null, null, webkit ? "padding-right: .1px" : null);
-    var builder = {pre: elt("pre", [content]), content: content, col: 0, pos: 0, cm: cm};
-    lineView.measure = {};
-
-    // Iterate over the logical lines that make up this visual line.
-    for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
-      var line = i ? lineView.rest[i - 1] : lineView.line, order;
-      builder.pos = 0;
-      builder.addToken = buildToken;
-      // Optionally wire in some hacks into the token-rendering
-      // algorithm, to deal with browser quirks.
-      if ((ie || webkit) && cm.getOption("lineWrapping"))
-        builder.addToken = buildTokenSplitSpaces(builder.addToken);
-      if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line)))
-        builder.addToken = buildTokenBadBidi(builder.addToken, order);
-      builder.map = [];
-      insertLineContent(line, builder, getLineStyles(cm, line));
-      if (line.styleClasses) {
-        if (line.styleClasses.bgClass)
-          builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "");
-        if (line.styleClasses.textClass)
-          builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "");
-      }
-
-      // Ensure at least a single node is present, for measuring.
-      if (builder.map.length == 0)
-        builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
-
-      // Store the map and a cache object for the current logical line
-      if (i == 0) {
-        lineView.measure.map = builder.map;
-        lineView.measure.cache = {};
-      } else {
-        (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map);
-        (lineView.measure.caches || (lineView.measure.caches = [])).push({});
-      }
-    }
-
-    signal(cm, "renderLine", cm, lineView.line, builder.pre);
-    return builder;
-  }
-
-  function defaultSpecialCharPlaceholder(ch) {
-    var token = elt("span", "\u2022", "cm-invalidchar");
-    token.title = "\\u" + ch.charCodeAt(0).toString(16);
-    return token;
-  }
-
-  // Build up the DOM representation for a single token, and add it to
-  // the line map. Takes care to render special characters separately.
-  function buildToken(builder, text, style, startStyle, endStyle, title) {
-    if (!text) return;
-    var special = builder.cm.options.specialChars, mustWrap = false;
-    if (!special.test(text)) {
-      builder.col += text.length;
-      var content = document.createTextNode(text);
-      builder.map.push(builder.pos, builder.pos + text.length, content);
-      if (ie_upto8) mustWrap = true;
-      builder.pos += text.length;
-    } else {
-      var content = document.createDocumentFragment(), pos = 0;
-      while (true) {
-        special.lastIndex = pos;
-        var m = special.exec(text);
-        var skipped = m ? m.index - pos : text.length - pos;
-        if (skipped) {
-          var txt = document.createTextNode(text.slice(pos, pos + skipped));
-          if (ie_upto8) content.appendChild(elt("span", [txt]));
-          else content.appendChild(txt);
-          builder.map.push(builder.pos, builder.pos + skipped, txt);
-          builder.col += skipped;
-          builder.pos += skipped;
-        }
-        if (!m) break;
-        pos += skipped + 1;
-        if (m[0] == "\t") {
-          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
-          var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
-          builder.col += tabWidth;
-        } else {
-          var txt = builder.cm.options.specialCharPlaceholder(m[0]);
-          if (ie_upto8) content.appendChild(elt("span", [txt]));
-          else content.appendChild(txt);
-          builder.col += 1;
-        }
-        builder.map.push(builder.pos, builder.pos + 1, txt);
-        builder.pos++;
-      }
-    }
-    if (style || startStyle || endStyle || mustWrap) {
-      var fullStyle = style || "";
-      if (startStyle) fullStyle += startStyle;
-      if (endStyle) fullStyle += endStyle;
-      var token = elt("span", [content], fullStyle);
-      if (title) token.title = title;
-      return builder.content.appendChild(token);
-    }
-    builder.content.appendChild(content);
-  }
-
-  function buildTokenSplitSpaces(inner) {
-    function split(old) {
-      var out = " ";
-      for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0";
-      out += " ";
-      return out;
-    }
-    return function(builder, text, style, startStyle, endStyle, title) {
-      inner(builder, text.replace(/ {3,}/g, split), style, startStyle, endStyle, title);
-    };
-  }
-
-  // Work around nonsense dimensions being reported for stretches of
-  // right-to-left text.
-  function buildTokenBadBidi(inner, order) {
-    return function(builder, text, style, startStyle, endStyle, title) {
-      style = style ? style + " cm-force-border" : "cm-force-border";
-      var start = builder.pos, end = start + text.length;
-      for (;;) {
-        // Find the part that overlaps with the start of this text
-        for (var i = 0; i < order.length; i++) {
-          var part = order[i];
-          if (part.to > start && part.from <= start) break;
-        }
-        if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title);
-        inner(builder, text.slice(0, part.to - start), style, startStyle, null, title);
-        startStyle = null;
-        text = text.slice(part.to - start);
-        start = part.to;
-      }
-    };
-  }
-
-  function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
-    var widget = !ignoreWidget && marker.widgetNode;
-    if (widget) {
-      builder.map.push(builder.pos, builder.pos + size, widget);
-      builder.content.appendChild(widget);
-    }
-    builder.pos += size;
-  }
-
-  // Outputs a number of spans to make up a line, taking highlighting
-  // and marked text into account.
-  function insertLineContent(line, builder, styles) {
-    var spans = line.markedSpans, allText = line.text, at = 0;
-    if (!spans) {
-      for (var i = 1; i < styles.length; i+=2)
-        builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options));
-      return;
-    }
-
-    var len = allText.length, pos = 0, i = 1, text = "", style;
-    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
-    for (;;) {
-      if (nextChange == pos) { // Update current marker set
-        spanStyle = spanEndStyle = spanStartStyle = title = "";
-        collapsed = null; nextChange = Infinity;
-        var foundBookmarks = [];
-        for (var j = 0; j < spans.length; ++j) {
-          var sp = spans[j], m = sp.marker;
-          if (sp.from <= pos && (sp.to == null || sp.to > pos)) {
-            if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }
-            if (m.className) spanStyle += " " + m.className;
-            if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
-            if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
-            if (m.title && !title) title = m.title;
-            if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
-              collapsed = sp;
-          } else if (sp.from > pos && nextChange > sp.from) {
-            nextChange = sp.from;
-          }
-          if (m.type == "bookmark" && sp.from == pos && m.widgetNode) foundBookmarks.push(m);
-        }
-        if (collapsed && (collapsed.from || 0) == pos) {
-          buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
-                             collapsed.marker, collapsed.from == null);
-          if (collapsed.to == null) return;
-        }
-        if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j)
-          buildCollapsedSpan(builder, 0, foundBookmarks[j]);
-      }
-      if (pos >= len) break;
-
-      var upto = Math.min(len, nextChange);
-      while (true) {
-        if (text) {
-          var end = pos + text.length;
-          if (!collapsed) {
-            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
-            builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
-                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title);
-          }
-          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
-          pos = end;
-          spanStartStyle = "";
-        }
-        text = allText.slice(at, at = styles[i++]);
-        style = interpretTokenStyle(styles[i++], builder.cm.options);
-      }
-    }
-  }
-
-  // DOCUMENT DATA STRUCTURE
-
-  // By default, updates that start and end at the beginning of a line
-  // are treated specially, in order to make the association of line
-  // widgets and marker elements with the text behave more intuitive.
-  function isWholeLineUpdate(doc, change) {
-    return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
-      (!doc.cm || doc.cm.options.wholeLineUpdateBefore);
-  }
-
-  // Perform a change on the document data structure.
-  function updateDoc(doc, change, markedSpans, estimateHeight) {
-    function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
-    function update(line, text, spans) {
-      updateLine(line, text, spans, estimateHeight);
-      signalLater(line, "change", line, change);
-    }
-
-    var from = change.from, to = change.to, text = change.text;
-    var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
-    var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
-
-    // Adjust the line structure
-    if (isWholeLineUpdate(doc, change)) {
-      // This is a whole-line replace. Treated specially to make
-      // sure line objects move the way they are supposed to.
-      for (var i = 0, added = []; i < text.length - 1; ++i)
-        added.push(new Line(text[i], spansFor(i), estimateHeight));
-      update(lastLine, lastLine.text, lastSpans);
-      if (nlines) doc.remove(from.line, nlines);
-      if (added.length) doc.insert(from.line, added);
-    } else if (firstLine == lastLine) {
-      if (text.length == 1) {
-        update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
-      } else {
-        for (var added = [], i = 1; i < text.length - 1; ++i)
-          added.push(new Line(text[i], spansFor(i), estimateHeight));
-        added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
-        update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
-        doc.insert(from.line + 1, added);
-      }
-    } else if (text.length == 1) {
-      update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
-      doc.remove(from.line + 1, nlines);
-    } else {
-      update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
-      update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
-      for (var i = 1, added = []; i < text.length - 1; ++i)
-        added.push(new Line(text[i], spansFor(i), estimateHeight));
-      if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
-      doc.insert(from.line + 1, added);
-    }
-
-    signalLater(doc, "change", doc, change);
-  }
-
-  // The document is represented as a BTree consisting of leaves, with
-  // chunk of lines in them, and branches, with up to ten leaves or
-  // other branch nodes below them. The top node is always a branch
-  // node, and is the document object itself (meaning it has
-  // additional methods and properties).
-  //
-  // All nodes have parent links. The tree is used both to go from
-  // line numbers to line objects, and to go from objects to numbers.
-  // It also indexes by height, and is used to convert between height
-  // and line object, and to find the total height of the document.
-  //
-  // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
-
-  function LeafChunk(lines) {
-    this.lines = lines;
-    this.parent = null;
-    for (var i = 0, height = 0; i < lines.length; ++i) {
-      lines[i].parent = this;
-      height += lines[i].height;
-    }
-    this.height = height;
-  }
-
-  LeafChunk.prototype = {
-    chunkSize: function() { return this.lines.length; },
-    // Remove the n lines at offset 'at'.
-    removeInner: function(at, n) {
-      for (var i = at, e = at + n; i < e; ++i) {
-        var line = this.lines[i];
-        this.height -= line.height;
-        cleanUpLine(line);
-        signalLater(line, "delete");
-      }
-      this.lines.splice(at, n);
-    },
-    // Helper used to collapse a small branch into a single leaf.
-    collapse: function(lines) {
-      lines.push.apply(lines, this.lines);
-    },
-    // Insert the given array of lines at offset 'at', count them as
-    // having the given height.
-    insertInner: function(at, lines, height) {
-      this.height += height;
-      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
-      for (var i = 0; i < lines.length; ++i) lines[i].parent = this;
-    },
-    // Used to iterate over a part of the tree.
-    iterN: function(at, n, op) {
-      for (var e = at + n; at < e; ++at)
-        if (op(this.lines[at])) return true;
-    }
-  };
-
-  function BranchChunk(children) {
-    this.children = children;
-    var size = 0, height = 0;
-    for (var i = 0; i < children.length; ++i) {
-      var ch = children[i];
-      size += ch.chunkSize(); height += ch.height;
-      ch.parent = this;
-    }
-    this.size = size;
-    this.height = height;
-    this.parent = null;
-  }
-
-  BranchChunk.prototype = {
-    chunkSize: function() { return this.size; },
-    removeInner: function(at, n) {
-      this.size -= n;
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at < sz) {
-          var rm = Math.min(n, sz - at), oldHeight = child.height;
-          child.removeInner(at, rm);
-          this.height -= oldHeight - child.height;
-          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
-          if ((n -= rm) == 0) break;
-          at = 0;
-        } else at -= sz;
-      }
-      // If the result is smaller than 25 lines, ensure that it is a
-      // single leaf node.
-      if (this.size - n < 25 &&
-          (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
-        var lines = [];
-        this.collapse(lines);
-        this.children = [new LeafChunk(lines)];
-        this.children[0].parent = this;
-      }
-    },
-    collapse: function(lines) {
-      for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines);
-    },
-    insertInner: function(at, lines, height) {
-      this.size += lines.length;
-      this.height += height;
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at <= sz) {
-          child.insertInner(at, lines, height);
-          if (child.lines && child.lines.length > 50) {
-            while (child.lines.length > 50) {
-              var spilled = child.lines.splice(child.lines.length - 25, 25);
-              var newleaf = new LeafChunk(spilled);
-              child.height -= newleaf.height;
-              this.children.splice(i + 1, 0, newleaf);
-              newleaf.parent = this;
-            }
-            this.maybeSpill();
-          }
-          break;
-        }
-        at -= sz;
-      }
-    },
-    // When a node has grown, check whether it should be split.
-    maybeSpill: function() {
-      if (this.children.length <= 10) return;
-      var me = this;
-      do {
-        var spilled = me.children.splice(me.children.length - 5, 5);
-        var sibling = new BranchChunk(spilled);
-        if (!me.parent) { // Become the parent node
-          var copy = new BranchChunk(me.children);
-          copy.parent = me;
-          me.children = [copy, sibling];
-          me = copy;
-        } else {
-          me.size -= sibling.size;
-          me.height -= sibling.height;
-          var myIndex = indexOf(me.parent.children, me);
-          me.parent.children.splice(myIndex + 1, 0, sibling);
-        }
-        sibling.parent = me.parent;
-      } while (me.children.length > 10);
-      me.parent.maybeSpill();
-    },
-    iterN: function(at, n, op) {
-      for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i], sz = child.chunkSize();
-        if (at < sz) {
-          var used = Math.min(n, sz - at);
-          if (child.iterN(at, used, op)) return true;
-          if ((n -= used) == 0) break;
-          at = 0;
-        } else at -= sz;
-      }
-    }
-  };
-
-  var nextDocId = 0;
-  var Doc = CodeMirror.Doc = function(text, mode, firstLine) {
-    if (!(this instanceof Doc)) return new Doc(text, mode, firstLine);
-    if (firstLine == null) firstLine = 0;
-
-    BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
-    this.first = firstLine;
-    this.scrollTop = this.scrollLeft = 0;
-    this.cantEdit = false;
-    this.cleanGeneration = 1;
-    this.frontier = firstLine;
-    var start = Pos(firstLine, 0);
-    this.sel = simpleSelection(start);
-    this.history = new History(null);
-    this.id = ++nextDocId;
-    this.modeOption = mode;
-
-    if (typeof text == "string") text = splitLines(text);
-    updateDoc(this, {from: start, to: start, text: text});
-    setSelection(this, simpleSelection(start), sel_dontScroll);
-  };
-
-  Doc.prototype = createObj(BranchChunk.prototype, {
-    constructor: Doc,
-    // Iterate over the document. Supports two forms -- with only one
-    // argument, it calls that for each line in the document. With
-    // three, it iterates over the range given by the first two (with
-    // the second being non-inclusive).
-    iter: function(from, to, op) {
-      if (op) this.iterN(from - this.first, to - from, op);
-      else this.iterN(this.first, this.first + this.size, from);
-    },
-
-    // Non-public interface for adding and removing lines.
-    insert: function(at, lines) {
-      var height = 0;
-      for (var i = 0; i < lines.length; ++i) height += lines[i].height;
-      this.insertInner(at - this.first, lines, height);
-    },
-    remove: function(at, n) { this.removeInner(at - this.first, n); },
-
-    // From here, the methods are part of the public interface. Most
-    // are also available from CodeMirror (editor) instances.
-
-    getValue: function(lineSep) {
-      var lines = getLines(this, this.first, this.first + this.size);
-      if (lineSep === false) return lines;
-      return lines.join(lineSep || "\n");
-    },
-    setValue: docMethodOp(function(code) {
-      var top = Pos(this.first, 0), last = this.first + this.size - 1;
-      makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
-                        text: splitLines(code), origin: "setValue"}, true);
-      setSelection(this, simpleSelection(top));
-    }),
-    replaceRange: function(code, from, to, origin) {
-      from = clipPos(this, from);
-      to = to ? clipPos(this, to) : from;
-      replaceRange(this, code, from, to, origin);
-    },
-    getRange: function(from, to, lineSep) {
-      var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
-      if (lineSep === false) return lines;
-      return lines.join(lineSep || "\n");
-    },
-
-    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
-
-    getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
-    getLineNumber: function(line) {return lineNo(line);},
-
-    getLineHandleVisualStart: function(line) {
-      if (typeof line == "number") line = getLine(this, line);
-      return visualLine(line);
-    },
-
-    lineCount: function() {return this.size;},
-    firstLine: function() {return this.first;},
-    lastLine: function() {return this.first + this.size - 1;},
-
-    clipPos: function(pos) {return clipPos(this, pos);},
-
-    getCursor: function(start) {
-      var range = this.sel.primary(), pos;
-      if (start == null || start == "head") pos = range.head;
-      else if (start == "anchor") pos = range.anchor;
-      else if (start == "end" || start == "to" || start === false) pos = range.to();
-      else pos = range.from();
-      return pos;
-    },
-    listSelections: function() { return this.sel.ranges; },
-    somethingSelected: function() {return this.sel.somethingSelected();},
-
-    setCursor: docMethodOp(function(line, ch, options) {
-      setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
-    }),
-    setSelection: docMethodOp(function(anchor, head, options) {
-      setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
-    }),
-    extendSelection: docMethodOp(function(head, other, options) {
-      extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
-    }),
-    extendSelections: docMethodOp(function(heads, options) {
-      extendSelections(this, clipPosArray(this, heads, options));
-    }),
-    extendSelectionsBy: docMethodOp(function(f, options) {
-      extendSelections(this, map(this.sel.ranges, f), options);
-    }),
-    setSelections: docMethodOp(function(ranges, primary, options) {
-      if (!ranges.length) return;
-      for (var i = 0, out = []; i < ranges.length; i++)
-        out[i] = new Range(clipPos(this, ranges[i].anchor),
-                           clipPos(this, ranges[i].head));
-      if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex);
-      setSelection(this, normalizeSelection(out, primary), options);
-    }),
-    addSelection: docMethodOp(function(anchor, head, options) {
-      var ranges = this.sel.ranges.slice(0);
-      ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
-      setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
-    }),
-
-    getSelection: function(lineSep) {
-      var ranges = this.sel.ranges, lines;
-      for (var i = 0; i < ranges.length; i++) {
-        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
-        lines = lines ? lines.concat(sel) : sel;
-      }
-      if (lineSep === false) return lines;
-      else return lines.join(lineSep || "\n");
-    },
-    getSelections: function(lineSep) {
-      var parts = [], ranges = this.sel.ranges;
-      for (var i = 0; i < ranges.length; i++) {
-        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
-        if (lineSep !== false) sel = sel.join(lineSep || "\n");
-        parts[i] = sel;
-      }
-      return parts;
-    },
-    replaceSelection: function(code, collapse, origin) {
-      var dup = [];
-      for (var i = 0; i < this.sel.ranges.length; i++)
-        dup[i] = code;
-      this.replaceSelections(dup, collapse, origin || "+input");
-    },
-    replaceSelections: docMethodOp(function(code, collapse, origin) {
-      var changes = [], sel = this.sel;
-      for (var i = 0; i < sel.ranges.length; i++) {
-        var range = sel.ranges[i];
-        changes[i] = {from: range.from(), to: range.to(), text: splitLines(code[i]), origin: origin};
-      }
-      var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
-      for (var i = changes.length - 1; i >= 0; i--)
-        makeChange(this, changes[i]);
-      if (newSel) setSelectionReplaceHistory(this, newSel);
-      else if (this.cm) ensureCursorVisible(this.cm);
-    }),
-    undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
-    redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
-    undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
-    redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
-
-    setExtending: function(val) {this.extend = val;},
-    getExtending: function() {return this.extend;},
-
-    historySize: function() {
-      var hist = this.history, done = 0, undone = 0;
-      for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done;
-      for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone;
-      return {undo: done, redo: undone};
-    },
-    clearHistory: function() {this.history = new History(this.history.maxGeneration);},
-
-    markClean: function() {
-      this.cleanGeneration = this.changeGeneration(true);
-    },
-    changeGeneration: function(forceSplit) {
-      if (forceSplit)
-        this.history.lastOp = this.history.lastOrigin = null;
-      return this.history.generation;
-    },
-    isClean: function (gen) {
-      return this.history.generation == (gen || this.cleanGeneration);
-    },
-
-    getHistory: function() {
-      return {done: copyHistoryArray(this.history.done),
-              undone: copyHistoryArray(this.history.undone)};
-    },
-    setHistory: function(histData) {
-      var hist = this.history = new History(this.history.maxGeneration);
-      hist.done = copyHistoryArray(histData.done.slice(0), null, true);
-      hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
-    },
-
-    markText: function(from, to, options) {
-      return markText(this, clipPos(this, from), clipPos(this, to), options, "range");
-    },
-    setBookmark: function(pos, options) {
-      var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
-                      insertLeft: options && options.insertLeft,
-                      clearWhenEmpty: false, shared: options && options.shared};
-      pos = clipPos(this, pos);
-      return markText(this, pos, pos, realOpts, "bookmark");
-    },
-    findMarksAt: function(pos) {
-      pos = clipPos(this, pos);
-      var markers = [], spans = getLine(this, pos.line).markedSpans;
-      if (spans) for (var i = 0; i < spans.length; ++i) {
-        var span = spans[i];
-        if ((span.from == null || span.from <= pos.ch) &&
-            (span.to == null || span.to >= pos.ch))
-          markers.push(span.marker.parent || span.marker);
-      }
-      return markers;
-    },
-    findMarks: function(from, to, filter) {
-      from = clipPos(this, from); to = clipPos(this, to);
-      var found = [], lineNo = from.line;
-      this.iter(from.line, to.line + 1, function(line) {
-        var spans = line.markedSpans;
-        if (spans) for (var i = 0; i < spans.length; i++) {
-          var span = spans[i];
-          if (!(lineNo == from.line && from.ch > span.to ||
-                span.from == null && lineNo != from.line||
-                lineNo == to.line && span.from > to.ch) &&
-              (!filter || filter(span.marker)))
-            found.push(span.marker.parent || span.marker);
-        }
-        ++lineNo;
-      });
-      return found;
-    },
-    getAllMarks: function() {
-      var markers = [];
-      this.iter(function(line) {
-        var sps = line.markedSpans;
-        if (sps) for (var i = 0; i < sps.length; ++i)
-          if (sps[i].from != null) markers.push(sps[i].marker);
-      });
-      return markers;
-    },
-
-    posFromIndex: function(off) {
-      var ch, lineNo = this.first;
-      this.iter(function(line) {
-        var sz = line.text.length + 1;
-        if (sz > off) { ch = off; return true; }
-        off -= sz;
-        ++lineNo;
-      });
-      return clipPos(this, Pos(lineNo, ch));
-    },
-    indexFromPos: function (coords) {
-      coords = clipPos(this, coords);
-      var index = coords.ch;
-      if (coords.line < this.first || coords.ch < 0) return 0;
-      this.iter(this.first, coords.line, function (line) {
-        index += line.text.length + 1;
-      });
-      return index;
-    },
-
-    copy: function(copyHistory) {
-      var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first);
-      doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
-      doc.sel = this.sel;
-      doc.extend = false;
-      if (copyHistory) {
-        doc.history.undoDepth = this.history.undoDepth;
-        doc.setHistory(this.getHistory());
-      }
-      return doc;
-    },
-
-    linkedDoc: function(options) {
-      if (!options) options = {};
-      var from = this.first, to = this.first + this.size;
-      if (options.from != null && options.from > from) from = options.from;
-      if (options.to != null && options.to < to) to = options.to;
-      var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from);
-      if (options.sharedHist) copy.history = this.history;
-      (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
-      copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
-      copySharedMarkers(copy, findSharedMarkers(this));
-      return copy;
-    },
-    unlinkDoc: function(other) {
-      if (other instanceof CodeMirror) other = other.doc;
-      if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
-        var link = this.linked[i];
-        if (link.doc != other) continue;
-        this.linked.splice(i, 1);
-        other.unlinkDoc(this);
-        detachSharedMarkers(findSharedMarkers(this));
-        break;
-      }
-      // If the histories were shared, split them again
-      if (other.history == this.history) {
-        var splitIds = [other.id];
-        linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
-        other.history = new History(null);
-        other.history.done = copyHistoryArray(this.history.done, splitIds);
-        other.history.undone = copyHistoryArray(this.history.undone, splitIds);
-      }
-    },
-    iterLinkedDocs: function(f) {linkedDocs(this, f);},
-
-    getMode: function() {return this.mode;},
-    getEditor: function() {return this.cm;}
-  });
-
-  // Public alias.
-  Doc.prototype.eachLine = Doc.prototype.iter;
-
-  // Set up methods on CodeMirror's prototype to redirect to the editor's document.
-  var dontDelegate = "iter insert remove copy getEditor".split(" ");
-  for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
-    CodeMirror.prototype[prop] = (function(method) {
-      return function() {return method.apply(this.doc, arguments);};
-    })(Doc.prototype[prop]);
-
-  eventMixin(Doc);
-
-  // Call f for all linked documents.
-  function linkedDocs(doc, f, sharedHistOnly) {
-    function propagate(doc, skip, sharedHist) {
-      if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
-        var rel = doc.linked[i];
-        if (rel.doc == skip) continue;
-        var shared = sharedHist && rel.sharedHist;
-        if (sharedHistOnly && !shared) continue;
-        f(rel.doc, shared);
-        propagate(rel.doc, doc, shared);
-      }
-    }
-    propagate(doc, null, true);
-  }
-
-  // Attach a document to an editor.
-  function attachDoc(cm, doc) {
-    if (doc.cm) throw new Error("This document is already in use.");
-    cm.doc = doc;
-    doc.cm = cm;
-    estimateLineHeights(cm);
-    loadMode(cm);
-    if (!cm.options.lineWrapping) findMaxLine(cm);
-    cm.options.mode = doc.modeOption;
-    regChange(cm);
-  }
-
-  // LINE UTILITIES
-
-  // Find the line object corresponding to the given line number.
-  function getLine(doc, n) {
-    n -= doc.first;
-    if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.");
-    for (var chunk = doc; !chunk.lines;) {
-      for (var i = 0;; ++i) {
-        var child = chunk.children[i], sz = child.chunkSize();
-        if (n < sz) { chunk = child; break; }
-        n -= sz;
-      }
-    }
-    return chunk.lines[n];
-  }
-
-  // Get the part of a document between two positions, as an array of
-  // strings.
-  function getBetween(doc, start, end) {
-    var out = [], n = start.line;
-    doc.iter(start.line, end.line + 1, function(line) {
-      var text = line.text;
-      if (n == end.line) text = text.slice(0, end.ch);
-      if (n == start.line) text = text.slice(start.ch);
-      out.push(text);
-      ++n;
-    });
-    return out;
-  }
-  // Get the lines between from and to, as array of strings.
-  function getLines(doc, from, to) {
-    var out = [];
-    doc.iter(from, to, function(line) { out.push(line.text); });
-    return out;
-  }
-
-  // Update the height of a line, propagating the height change
-  // upwards to parent nodes.
-  function updateLineHeight(line, height) {
-    var diff = height - line.height;
-    if (diff) for (var n = line; n; n = n.parent) n.height += diff;
-  }
-
-  // Given a line object, find its line number by walking up through
-  // its parent links.
-  function lineNo(line) {
-    if (line.parent == null) return null;
-    var cur = line.parent, no = indexOf(cur.lines, line);
-    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
-      for (var i = 0;; ++i) {
-        if (chunk.children[i] == cur) break;
-        no += chunk.children[i].chunkSize();
-      }
-    }
-    return no + cur.first;
-  }
-
-  // Find the line at the given vertical position, using the height
-  // information in the document tree.
-  function lineAtHeight(chunk, h) {
-    var n = chunk.first;
-    outer: do {
-      for (var i = 0; i < chunk.children.length; ++i) {
-        var child = chunk.children[i], ch = child.height;
-        if (h < ch) { chunk = child; continue outer; }
-        h -= ch;
-        n += child.chunkSize();
-      }
-      return n;
-    } while (!chunk.lines);
-    for (var i = 0; i < chunk.lines.length; ++i) {
-      var line = chunk.lines[i], lh = line.height;
-      if (h < lh) break;
-      h -= lh;
-    }
-    return n + i;
-  }
-
-
-  // Find the height above the given line.
-  function heightAtLine(lineObj) {
-    lineObj = visualLine(lineObj);
-
-    var h = 0, chunk = lineObj.parent;
-    for (var i = 0; i < chunk.lines.length; ++i) {
-      var line = chunk.lines[i];
-      if (line == lineObj) break;
-      else h += line.height;
-    }
-    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
-      for (var i = 0; i < p.children.length; ++i) {
-        var cur = p.children[i];
-        if (cur == chunk) break;
-        else h += cur.height;
-      }
-    }
-    return h;
-  }
-
-  // Get the bidi ordering for the given line (and cache it). Returns
-  // false for lines that are fully left-to-right, and an array of
-  // BidiSpan objects otherwise.
-  function getOrder(line) {
-    var order = line.order;
-    if (order == null) order = line.order = bidiOrdering(line.text);
-    return order;
-  }
-
-  // HISTORY
-
-  function History(startGen) {
-    // Arrays of change events and selections. Doing something adds an
-    // event to done and clears undo. Undoing moves events from done
-    // to undone, redoing moves them in the other direction.
-    this.done = []; this.undone = [];
-    this.undoDepth = Infinity;
-    // Used to track when changes can be merged into a single undo
-    // event
-    this.lastModTime = this.lastSelTime = 0;
-    this.lastOp = null;
-    this.lastOrigin = this.lastSelOrigin = null;
-    // Used by the isClean() method
-    this.generation = this.maxGeneration = startGen || 1;
-  }
-
-  // Create a history change event from an updateDoc-style change
-  // object.
-  function historyChangeFromChange(doc, change) {
-    var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
-    attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
-    linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
-    return histChange;
-  }
-
-  // Pop all selection events off the end of a history array. Stop at
-  // a change event.
-  function clearSelectionEvents(array) {
-    while (array.length) {
-      var last = lst(array);
-      if (last.ranges) array.pop();
-      else break;
-    }
-  }
-
-  // Find the top change event in the history. Pop off selection
-  // events that are in the way.
-  function lastChangeEvent(hist, force) {
-    if (force) {
-      clearSelectionEvents(hist.done);
-      return lst(hist.done);
-    } else if (hist.done.length && !lst(hist.done).ranges) {
-      return lst(hist.done);
-    } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
-      hist.done.pop();
-      return lst(hist.done);
-    }
-  }
-
-  // Register a change in the history. Merges changes that are within
-  // a single operation, ore are close together with an origin that
-  // allows merging (starting with "+") into a single event.
-  function addChangeToHistory(doc, change, selAfter, opId) {
-    var hist = doc.history;
-    hist.undone.length = 0;
-    var time = +new Date, cur;
-
-    if ((hist.lastOp == opId ||
-         hist.lastOrigin == change.origin && change.origin &&
-         ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
-          change.origin.charAt(0) == "*")) &&
-        (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
-      // Merge this change into the last event
-      var last = lst(cur.changes);
-      if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
-        // Optimized case for simple insertion -- don't want to add
-        // new changesets for every character typed
-        last.to = changeEnd(change);
-      } else {
-        // Add new sub-event
-        cur.changes.push(historyChangeFromChange(doc, change));
-      }
-    } else {
-      // Can not be merged, start a new event.
-      var before = lst(hist.done);
-      if (!before || !before.ranges)
-        pushSelectionToHistory(doc.sel, hist.done);
-      cur = {changes: [historyChangeFromChange(doc, change)],
-             generation: hist.generation};
-      hist.done.push(cur);
-      while (hist.done.length > hist.undoDepth) {
-        hist.done.shift();
-        if (!hist.done[0].ranges) hist.done.shift();
-      }
-    }
-    hist.done.push(selAfter);
-    hist.generation = ++hist.maxGeneration;
-    hist.lastModTime = hist.lastSelTime = time;
-    hist.lastOp = opId;
-    hist.lastOrigin = hist.lastSelOrigin = change.origin;
-
-    if (!last) signal(doc, "historyAdded");
-  }
-
-  function selectionEventCanBeMerged(doc, origin, prev, sel) {
-    var ch = origin.charAt(0);
-    return ch == "*" ||
-      ch == "+" &&
-      prev.ranges.length == sel.ranges.length &&
-      prev.somethingSelected() == sel.somethingSelected() &&
-      new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
-  }
-
-  // Called whenever the selection changes, sets the new selection as
-  // the pending selection in the history, and pushes the old pending
-  // selection into the 'done' array when it was significantly
-  // different (in number of selected ranges, emptiness, or time).
-  function addSelectionToHistory(doc, sel, opId, options) {
-    var hist = doc.history, origin = options && options.origin;
-
-    // A new event is started when the previous origin does not match
-    // the current, or the origins don't allow matching. Origins
-    // starting with * are always merged, those starting with + are
-    // merged when similar and close together in time.
-    if (opId == hist.lastOp ||
-        (origin && hist.lastSelOrigin == origin &&
-         (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
-          selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
-      hist.done[hist.done.length - 1] = sel;
-    else
-      pushSelectionToHistory(sel, hist.done);
-
-    hist.lastSelTime = +new Date;
-    hist.lastSelOrigin = origin;
-    hist.lastOp = opId;
-    if (options && options.clearRedo !== false)
-      clearSelectionEvents(hist.undone);
-  }
-
-  function pushSelectionToHistory(sel, dest) {
-    var top = lst(dest);
-    if (!(top && top.ranges && top.equals(sel)))
-      dest.push(sel);
-  }
-
-  // Used to store marked span information in the history.
-  function attachLocalSpans(doc, change, from, to) {
-    var existing = change["spans_" + doc.id], n = 0;
-    doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
-      if (line.markedSpans)
-        (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
-      ++n;
-    });
-  }
-
-  // When un/re-doing restores text containing marked spans, those
-  // that have been explicitly cleared should not be restored.
-  function removeClearedSpans(spans) {
-    if (!spans) return null;
-    for (var i = 0, out; i < spans.length; ++i) {
-      if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
-      else if (out) out.push(spans[i]);
-    }
-    return !out ? spans : out.length ? out : null;
-  }
-
-  // Retrieve and filter the old marked spans stored in a change event.
-  function getOldSpans(doc, change) {
-    var found = change["spans_" + doc.id];
-    if (!found) return null;
-    for (var i = 0, nw = []; i < change.text.length; ++i)
-      nw.push(removeClearedSpans(found[i]));
-    return nw;
-  }
-
-  // Used both to provide a JSON-safe object in .getHistory, and, when
-  // detaching a document, to split the history in two
-  function copyHistoryArray(events, newGroup, instantiateSel) {
-    for (var i = 0, copy = []; i < events.length; ++i) {
-      var event = events[i];
-      if (event.ranges) {
-        copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
-        continue;
-      }
-      var changes = event.changes, newChanges = [];
-      copy.push({changes: newChanges});
-      for (var j = 0; j < changes.length; ++j) {
-        var change = changes[j], m;
-        newChanges.push({from: change.from, to: change.to, text: change.text});
-        if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
-          if (indexOf(newGroup, Number(m[1])) > -1) {
-            lst(newChanges)[prop] = change[prop];
-            delete change[prop];
-          }
-        }
-      }
-    }
-    return copy;
-  }
-
-  // Rebasing/resetting history to deal with externally-sourced changes
-
-  function rebaseHistSelSingle(pos, from, to, diff) {
-    if (to < pos.line) {
-      pos.line += diff;
-    } else if (from < pos.line) {
-      pos.line = from;
-      pos.ch = 0;
-    }
-  }
-
-  // Tries to rebase an array of history events given a change in the
-  // document. If the change touches the same lines as the event, the
-  // event, and everything 'behind' it, is discarded. If the change is
-  // before the event, the event's positions are updated. Uses a
-  // copy-on-write scheme for the positions, to avoid having to
-  // reallocate them all on every rebase, but also avoid problems with
-  // shared position objects being unsafely updated.
-  function rebaseHistArray(array, from, to, diff) {
-    for (var i = 0; i < array.length; ++i) {
-      var sub = array[i], ok = true;
-      if (sub.ranges) {
-        if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
-        for (var j = 0; j < sub.ranges.length; j++) {
-          rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
-          rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
-        }
-        continue;
-      }
-      for (var j = 0; j < sub.changes.length; ++j) {
-        var cur = sub.changes[j];
-        if (to < cur.from.line) {
-          cur.from = Pos(cur.from.line + diff, cur.from.ch);
-          cur.to = Pos(cur.to.line + diff, cur.to.ch);
-        } else if (from <= cur.to.line) {
-          ok = false;
-          break;
-        }
-      }
-      if (!ok) {
-        array.splice(0, i + 1);
-        i = 0;
-      }
-    }
-  }
-
-  function rebaseHist(hist, change) {
-    var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
-    rebaseHistArray(hist.done, from, to, diff);
-    rebaseHistArray(hist.undone, from, to, diff);
-  }
-
-  // EVENT UTILITIES
-
-  // Due to the fact that we still support jurassic IE versions, some
-  // compatibility wrappers are needed.
-
-  var e_preventDefault = CodeMirror.e_preventDefault = function(e) {
-    if (e.preventDefault) e.preventDefault();
-    else e.returnValue = false;
-  };
-  var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) {
-    if (e.stopPropagation) e.stopPropagation();
-    else e.cancelBubble = true;
-  };
-  function e_defaultPrevented(e) {
-    return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
-  }
-  var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);};
-
-  function e_target(e) {return e.target || e.srcElement;}
-  function e_button(e) {
-    var b = e.which;
-    if (b == null) {
-      if (e.button & 1) b = 1;
-      else if (e.button & 2) b = 3;
-      else if (e.button & 4) b = 2;
-    }
-    if (mac && e.ctrlKey && b == 1) b = 3;
-    return b;
-  }
-
-  // EVENT HANDLING
-
-  // Lightweight event framework. on/off also work on DOM nodes,
-  // registering native DOM handlers.
-
-  var on = CodeMirror.on = function(emitter, type, f) {
-    if (emitter.addEventListener)
-      emitter.addEventListener(type, f, false);
-    else if (emitter.attachEvent)
-      emitter.attachEvent("on" + type, f);
-    else {
-      var map = emitter._handlers || (emitter._handlers = {});
-      var arr = map[type] || (map[type] = []);
-      arr.push(f);
-    }
-  };
-
-  var off = CodeMirror.off = function(emitter, type, f) {
-    if (emitter.removeEventListener)
-      emitter.removeEventListener(type, f, false);
-    else if (emitter.detachEvent)
-      emitter.detachEvent("on" + type, f);
-    else {
-      var arr = emitter._handlers && emitter._handlers[type];
-      if (!arr) return;
-      for (var i = 0; i < arr.length; ++i)
-        if (arr[i] == f) { arr.splice(i, 1); break; }
-    }
-  };
-
-  var signal = CodeMirror.signal = function(emitter, type /*, values...*/) {
-    var arr = emitter._handlers && emitter._handlers[type];
-    if (!arr) return;
-    var args = Array.prototype.slice.call(arguments, 2);
-    for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args);
-  };
-
-  // Often, we want to signal events at a point where we are in the
-  // middle of some work, but don't want the handler to start calling
-  // other methods on the editor, which might be in an inconsistent
-  // state or simply not expect any other events to happen.
-  // signalLater looks whether there are any handlers, and schedules
-  // them to be executed when the last operation ends, or, if no
-  // operation is active, when a timeout fires.
-  var delayedCallbacks, delayedCallbackDepth = 0;
-  function signalLater(emitter, type /*, values...*/) {
-    var arr = emitter._handlers && emitter._handlers[type];
-    if (!arr) return;
-    var args = Array.prototype.slice.call(arguments, 2);
-    if (!delayedCallbacks) {
-      ++delayedCallbackDepth;
-      delayedCallbacks = [];
-      setTimeout(fireDelayed, 0);
-    }
-    function bnd(f) {return function(){f.apply(null, args);};};
-    for (var i = 0; i < arr.length; ++i)
-      delayedCallbacks.push(bnd(arr[i]));
-  }
-
-  function fireDelayed() {
-    --delayedCallbackDepth;
-    var delayed = delayedCallbacks;
-    delayedCallbacks = null;
-    for (var i = 0; i < delayed.length; ++i) delayed[i]();
-  }
-
-  // The DOM events that CodeMirror handles can be overridden by
-  // registering a (non-DOM) handler on the editor for the event name,
-  // and preventDefault-ing the event in that handler.
-  function signalDOMEvent(cm, e, override) {
-    signal(cm, override || e.type, cm, e);
-    return e_defaultPrevented(e) || e.codemirrorIgnore;
-  }
-
-  function signalCursorActivity(cm) {
-    var arr = cm._handlers && cm._handlers.cursorActivity;
-    if (!arr) return;
-    var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
-    for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1)
-      set.push(arr[i]);
-  }
-
-  function hasHandler(emitter, type) {
-    var arr = emitter._handlers && emitter._handlers[type];
-    return arr && arr.length > 0;
-  }
-
-  // Add on and off methods to a constructor's prototype, to make
-  // registering events on such objects more convenient.
-  function eventMixin(ctor) {
-    ctor.prototype.on = function(type, f) {on(this, type, f);};
-    ctor.prototype.off = function(type, f) {off(this, type, f);};
-  }
-
-  // MISC UTILITIES
-
-  // Number of pixels added to scroller and sizer to hide scrollbar
-  var scrollerCutOff = 30;
-
-  // Returned or thrown by various protocols to signal 'I'm not
-  // handling this'.
-  var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
-
-  // Reused option objects for setSelection & friends
-  var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
-
-  function Delayed() {this.id = null;}
-  Delayed.prototype.set = function(ms, f) {
-    clearTimeout(this.id);
-    this.id = setTimeout(f, ms);
-  };
-
-  // Counts the column offset in a string, taking tabs into account.
-  // Used mostly to find indentation.
-  var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) {
-    if (end == null) {
-      end = string.search(/[^\s\u00a0]/);
-      if (end == -1) end = string.length;
-    }
-    for (var i = startIndex || 0, n = startValue || 0;;) {
-      var nextTab = string.indexOf("\t", i);
-      if (nextTab < 0 || nextTab >= end)
-        return n + (end - i);
-      n += nextTab - i;
-      n += tabSize - (n % tabSize);
-      i = nextTab + 1;
-    }
-  };
-
-  // The inverse of countColumn -- find the offset that corresponds to
-  // a particular column.
-  function findColumn(string, goal, tabSize) {
-    for (var pos = 0, col = 0;;) {
-      var nextTab = string.indexOf("\t", pos);
-      if (nextTab == -1) nextTab = string.length;
-      var skipped = nextTab - pos;
-      if (nextTab == string.length || col + skipped >= goal)
-        return pos + Math.min(skipped, goal - col);
-      col += nextTab - pos;
-      col += tabSize - (col % tabSize);
-      pos = nextTab + 1;
-      if (col >= goal) return pos;
-    }
-  }
-
-  var spaceStrs = [""];
-  function spaceStr(n) {
-    while (spaceStrs.length <= n)
-      spaceStrs.push(lst(spaceStrs) + " ");
-    return spaceStrs[n];
-  }
-
-  function lst(arr) { return arr[arr.length-1]; }
-
-  var selectInput = function(node) { node.select(); };
-  if (ios) // Mobile Safari apparently has a bug where select() is broken.
-    selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; };
-  else if (ie) // Suppress mysterious IE10 errors
-    selectInput = function(node) { try { node.select(); } catch(_e) {} };
-
-  function indexOf(array, elt) {
-    for (var i = 0; i < array.length; ++i)
-      if (array[i] == elt) return i;
-    return -1;
-  }
-  if ([].indexOf) indexOf = function(array, elt) { return array.indexOf(elt); };
-  function map(array, f) {
-    var out = [];
-    for (var i = 0; i < array.length; i++) out[i] = f(array[i], i);
-    return out;
-  }
-  if ([].map) map = function(array, f) { return array.map(f); };
-
-  function createObj(base, props) {
-    var inst;
-    if (Object.create) {
-      inst = Object.create(base);
-    } else {
-      var ctor = function() {};
-      ctor.prototype = base;
-      inst = new ctor();
-    }
-    if (props) copyObj(props, inst);
-    return inst;
-  };
-
-  function copyObj(obj, target, overwrite) {
-    if (!target) target = {};
-    for (var prop in obj)
-      if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
-        target[prop] = obj[prop];
-    return target;
-  }
-
-  function bind(f) {
-    var args = Array.prototype.slice.call(arguments, 1);
-    return function(){return f.apply(null, args);};
-  }
-
-  var nonASCIISingleCaseWordChar = /[\u00df\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
-  var isWordChar = CodeMirror.isWordChar = function(ch) {
-    return /\w/.test(ch) || ch > "\x80" &&
-      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
-  };
-
-  function isEmpty(obj) {
-    for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
-    return true;
-  }
-
-  // Extending unicode characters. A series of a non-extending char +
-  // any number of extending chars is treated as a single unit as far
-  // as editing and measuring is concerned. This is not fully correct,
-  // since some scripts/fonts/browsers also treat other configurations
-  // of code points as a group.
-  var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
-  function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); }
-
-  // DOM UTILITIES
-
-  function elt(tag, content, className, style) {
-    var e = document.createElement(tag);
-    if (className) e.className = className;
-    if (style) e.style.cssText = style;
-    if (typeof content == "string") e.appendChild(document.createTextNode(content));
-    else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
-    return e;
-  }
-
-  var range;
-  if (document.createRange) range = function(node, start, end) {
-    var r = document.createRange();
-    r.setEnd(node, end);
-    r.setStart(node, start);
-    return r;
-  };
-  else range = function(node, start, end) {
-    var r = document.body.createTextRange();
-    r.moveToElementText(node.parentNode);
-    r.collapse(true);
-    r.moveEnd("character", end);
-    r.moveStart("character", start);
-    return r;
-  };
-
-  function removeChildren(e) {
-    for (var count = e.childNodes.length; count > 0; --count)
-      e.removeChild(e.firstChild);
-    return e;
-  }
-
-  function removeChildrenAndAdd(parent, e) {
-    return removeChildren(parent).appendChild(e);
-  }
-
-  function contains(parent, child) {
-    if (parent.contains)
-      return parent.contains(child);
-    while (child = child.parentNode)
-      if (child == parent) return true;
-  }
-
-  function activeElt() { return document.activeElement; }
-  // Older versions of IE throws unspecified error when touching
-  // document.activeElement in some cases (during loading, in iframe)
-  if (ie_upto10) activeElt = function() {
-    try { return document.activeElement; }
-    catch(e) { return document.body; }
-  };
-
-  function classTest(cls) { return new RegExp("\\b" + cls + "\\b\\s*"); }
-  function rmClass(node, cls) {
-    var test = classTest(cls);
-    if (test.test(node.className)) node.className = node.className.replace(test, "");
-  }
-  function addClass(node, cls) {
-    if (!classTest(cls).test(node.className)) node.className += " " + cls;
-  }
-  function joinClasses(a, b) {
-    var as = a.split(" ");
-    for (var i = 0; i < as.length; i++)
-      if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i];
-    return b;
-  }
-
-  // FEATURE DETECTION
-
-  // Detect drag-and-drop
-  var dragAndDrop = function() {
-    // There is *some* kind of drag-and-drop support in IE6-8, but I
-    // couldn't get it to work yet.
-    if (ie_upto8) return false;
-    var div = elt('div');
-    return "draggable" in div || "dragDrop" in div;
-  }();
-
-  var knownScrollbarWidth;
-  function scrollbarWidth(measure) {
-    if (knownScrollbarWidth != null) return knownScrollbarWidth;
-    var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll");
-    removeChildrenAndAdd(measure, test);
-    if (test.offsetWidth)
-      knownScrollbarWidth = test.offsetHeight - test.clientHeight;
-    return knownScrollbarWidth || 0;
-  }
-
-  var zwspSupported;
-  function zeroWidthElement(measure) {
-    if (zwspSupported == null) {
-      var test = elt("span", "\u200b");
-      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
-      if (measure.firstChild.offsetHeight != 0)
-        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !ie_upto7;
-    }
-    if (zwspSupported) return elt("span", "\u200b");
-    else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
-  }
-
-  // Feature-detect IE's crummy client rect reporting for bidi text
-  var badBidiRects;
-  function hasBadBidiRects(measure) {
-    if (badBidiRects != null) return badBidiRects;
-    var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
-    var r0 = range(txt, 0, 1).getBoundingClientRect();
-    if (r0.left == r0.right) return false;
-    var r1 = range(txt, 1, 2).getBoundingClientRect();
-    return badBidiRects = (r1.right - r0.right < 3);
-  }
-
-  // See if "".split is the broken IE version, if so, provide an
-  // alternative way to split lines.
-  var splitLines = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
-    var pos = 0, result = [], l = string.length;
-    while (pos <= l) {
-      var nl = string.indexOf("\n", pos);
-      if (nl == -1) nl = string.length;
-      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
-      var rt = line.indexOf("\r");
-      if (rt != -1) {
-        result.push(line.slice(0, rt));
-        pos += rt + 1;
-      } else {
-        result.push(line);
-        pos = nl + 1;
-      }
-    }
-    return result;
-  } : function(string){return string.split(/\r\n?|\n/);};
-
-  var hasSelection = window.getSelection ? function(te) {
-    try { return te.selectionStart != te.selectionEnd; }
-    catch(e) { return false; }
-  } : function(te) {
-    try {var range = te.ownerDocument.selection.createRange();}
-    catch(e) {}
-    if (!range || range.parentElement() != te) return false;
-    return range.compareEndPoints("StartToEnd", range) != 0;
-  };
-
-  var hasCopyEvent = (function() {
-    var e = elt("div");
-    if ("oncopy" in e) return true;
-    e.setAttribute("oncopy", "return;");
-    return typeof e.oncopy == "function";
-  })();
-
-  // KEY NAMES
-
-  var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
-                  19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
-                  36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
-                  46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", 107: "=", 109: "-", 127: "Delete",
-                  173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
-                  221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
-                  63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"};
-  CodeMirror.keyNames = keyNames;
-  (function() {
-    // Number keys
-    for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i);
-    // Alphabetic keys
-    for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
-    // Function keys
-    for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
-  })();
-
-  // BIDI HELPERS
-
-  function iterateBidiSections(order, from, to, f) {
-    if (!order) return f(from, to, "ltr");
-    var found = false;
-    for (var i = 0; i < order.length; ++i) {
-      var part = order[i];
-      if (part.from < to && part.to > from || from == to && part.to == from) {
-        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
-        found = true;
-      }
-    }
-    if (!found) f(from, to, "ltr");
-  }
-
-  function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
-  function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
-
-  function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
-  function lineRight(line) {
-    var order = getOrder(line);
-    if (!order) return line.text.length;
-    return bidiRight(lst(order));
-  }
-
-  function lineStart(cm, lineN) {
-    var line = getLine(cm.doc, lineN);
-    var visual = visualLine(line);
-    if (visual != line) lineN = lineNo(visual);
-    var order = getOrder(visual);
-    var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
-    return Pos(lineN, ch);
-  }
-  function lineEnd(cm, lineN) {
-    var merged, line = getLine(cm.doc, lineN);
-    while (merged = collapsedSpanAtEnd(line)) {
-      line = merged.find(1, true).line;
-      lineN = null;
-    }
-    var order = getOrder(line);
-    var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
-    return Pos(lineN == null ? lineNo(line) : lineN, ch);
-  }
-
-  function compareBidiLevel(order, a, b) {
-    var linedir = order[0].level;
-    if (a == linedir) return true;
-    if (b == linedir) return false;
-    return a < b;
-  }
-  var bidiOther;
-  function getBidiPartAt(order, pos) {
-    bidiOther = null;
-    for (var i = 0, found; i < order.length; ++i) {
-      var cur = order[i];
-      if (cur.from < pos && cur.to > pos) return i;
-      if ((cur.from == pos || cur.to == pos)) {
-        if (found == null) {
-          found = i;
-        } else if (compareBidiLevel(order, cur.level, order[found].level)) {
-          if (cur.from != cur.to) bidiOther = found;
-          return i;
-        } else {
-          if (cur.from != cur.to) bidiOther = i;
-          return found;
-        }
-      }
-    }
-    return found;
-  }
-
-  function moveInLine(line, pos, dir, byUnit) {
-    if (!byUnit) return pos + dir;
-    do pos += dir;
-    while (pos > 0 && isExtendingChar(line.text.charAt(pos)));
-    return pos;
-  }
-
-  // This is needed in order to move 'visually' through bi-directional
-  // text -- i.e., pressing left should make the cursor go left, even
-  // when in RTL text. The tricky part is the 'jumps', where RTL and
-  // LTR text touch each other. This often requires the cursor offset
-  // to move more than one unit, in order to visually move one unit.
-  function moveVisually(line, start, dir, byUnit) {
-    var bidi = getOrder(line);
-    if (!bidi) return moveLogically(line, start, dir, byUnit);
-    var pos = getBidiPartAt(bidi, start), part = bidi[pos];
-    var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
-
-    for (;;) {
-      if (target > part.from && target < part.to) return target;
-      if (target == part.from || target == part.to) {
-        if (getBidiPartAt(bidi, target) == pos) return target;
-        part = bidi[pos += dir];
-        return (dir > 0) == part.level % 2 ? part.to : part.from;
-      } else {
-        part = bidi[pos += dir];
-        if (!part) return null;
-        if ((dir > 0) == part.level % 2)
-          target = moveInLine(line, part.to, -1, byUnit);
-        else
-          target = moveInLine(line, part.from, 1, byUnit);
-      }
-    }
-  }
-
-  function moveLogically(line, start, dir, byUnit) {
-    var target = start + dir;
-    if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir;
-    return target < 0 || target > line.text.length ? null : target;
-  }
-
-  // Bidirectional ordering algorithm
-  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
-  // that this (partially) implements.
-
-  // One-char codes used for character types:
-  // L (L):   Left-to-Right
-  // R (R):   Right-to-Left
-  // r (AL):  Right-to-Left Arabic
-  // 1 (EN):  European Number
-  // + (ES):  European Number Separator
-  // % (ET):  European Number Terminator
-  // n (AN):  Arabic Number
-  // , (CS):  Common Number Separator
-  // m (NSM): Non-Spacing Mark
-  // b (BN):  Boundary Neutral
-  // s (B):   Paragraph Separator
-  // t (S):   Segment Separator
-  // w (WS):  Whitespace
-  // N (ON):  Other Neutrals
-
-  // Returns null if characters are ordered as they appear
-  // (left-to-right), or an array of sections ({from, to, level}
-  // objects) in the order in which they occur visually.
-  var bidiOrdering = (function() {
-    // Character types for codepoints 0 to 0xff
-    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
-    // Character types for codepoints 0x600 to 0x6ff
-    var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm";
-    function charType(code) {
-      if (code <= 0xf7) return lowTypes.charAt(code);
-      else if (0x590 <= code && code <= 0x5f4) return "R";
-      else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600);
-      else if (0x6ee <= code && code <= 0x8ac) return "r";
-      else if (0x2000 <= code && code <= 0x200b) return "w";
-      else if (code == 0x200c) return "b";
-      else return "L";
-    }
-
-    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
-    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
-    // Browsers seem to always treat the boundaries of block elements as being L.
-    var outerType = "L";
-
-    function BidiSpan(level, from, to) {
-      this.level = level;
-      this.from = from; this.to = to;
-    }
-
-    return function(str) {
-      if (!bidiRE.test(str)) return false;
-      var len = str.length, types = [];
-      for (var i = 0, type; i < len; ++i)
-        types.push(type = charType(str.charCodeAt(i)));
-
-      // W1. Examine each non-spacing mark (NSM) in the level run, and
-      // change the type of the NSM to the type of the previous
-      // character. If the NSM is at the start of the level run, it will
-      // get the type of sor.
-      for (var i = 0, prev = outerType; i < len; ++i) {
-        var type = types[i];
-        if (type == "m") types[i] = prev;
-        else prev = type;
-      }
-
-      // W2. Search backwards from each instance of a European number
-      // until the first strong type (R, L, AL, or sor) is found. If an
-      // AL is found, change the type of the European number to Arabic
-      // number.
-      // W3. Change all ALs to R.
-      for (var i = 0, cur = outerType; i < len; ++i) {
-        var type = types[i];
-        if (type == "1" && cur == "r") types[i] = "n";
-        else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
-      }
-
-      // W4. A single European separator between two European numbers
-      // changes to a European number. A single common separator between
-      // two numbers of the same type changes to that type.
-      for (var i = 1, prev = types[0]; i < len - 1; ++i) {
-        var type = types[i];
-        if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
-        else if (type == "," && prev == types[i+1] &&
-                 (prev == "1" || prev == "n")) types[i] = prev;
-        prev = type;
-      }
-
-      // W5. A sequence of European terminators adjacent to European
-      // numbers changes to all European numbers.
-      // W6. Otherwise, separators and terminators change to Other
-      // Neutral.
-      for (var i = 0; i < len; ++i) {
-        var type = types[i];
-        if (type == ",") types[i] = "N";
-        else if (type == "%") {
-          for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
-          var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
-          for (var j = i; j < end; ++j) types[j] = replace;
-          i = end - 1;
-        }
-      }
-
-      // W7. Search backwards from each instance of a European number
-      // until the first strong type (R, L, or sor) is found. If an L is
-      // found, then change the type of the European number to L.
-      for (var i = 0, cur = outerType; i < len; ++i) {
-        var type = types[i];
-        if (cur == "L" && type == "1") types[i] = "L";
-        else if (isStrong.test(type)) cur = type;
-      }
-
-      // N1. A sequence of neutrals takes the direction of the
-      // surrounding strong text if the text on both sides has the same
-      // direction. European and Arabic numbers act as if they were R in
-      // terms of their influence on neutrals. Start-of-level-run (sor)
-      // and end-of-level-run (eor) are used at level run boundaries.
-      // N2. Any remaining neutrals take the embedding direction.
-      for (var i = 0; i < len; ++i) {
-        if (isNeutral.test(types[i])) {
-          for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
-          var before = (i ? types[i-1] : outerType) == "L";
-          var after = (end < len ? types[end] : outerType) == "L";
-          var replace = before || after ? "L" : "R";
-          for (var j = i; j < end; ++j) types[j] = replace;
-          i = end - 1;
-        }
-      }
-
-      // Here we depart from the documented algorithm, in order to avoid
-      // building up an actual levels array. Since there are only three
-      // levels (0, 1, 2) in an implementation that doesn't take
-      // explicit embedding into account, we can build up the order on
-      // the fly, without following the level-based algorithm.
-      var order = [], m;
-      for (var i = 0; i < len;) {
-        if (countsAsLeft.test(types[i])) {
-          var start = i;
-          for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
-          order.push(new BidiSpan(0, start, i));
-        } else {
-          var pos = i, at = order.length;
-          for (++i; i < len && types[i] != "L"; ++i) {}
-          for (var j = pos; j < i;) {
-            if (countsAsNum.test(types[j])) {
-              if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j));
-              var nstart = j;
-              for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
-              order.splice(at, 0, new BidiSpan(2, nstart, j));
-              pos = j;
-            } else ++j;
-          }
-          if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i));
-        }
-      }
-      if (order[0].level == 1 && (m = str.match(/^\s+/))) {
-        order[0].from = m[0].length;
-        order.unshift(new BidiSpan(0, 0, m[0].length));
-      }
-      if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
-        lst(order).to -= m[0].length;
-        order.push(new BidiSpan(0, len - m[0].length, len));
-      }
-      if (order[0].level != lst(order).level)
-        order.push(new BidiSpan(order[0].level, len, len));
-
-      return order;
-    };
-  })();
-
-  // THE END
-
-  CodeMirror.version = "4.1.0";
-
-  return CodeMirror;
-});
diff --git a/ethereal/assets/muted/lib/go.js b/ethereal/assets/muted/lib/go.js
deleted file mode 100644
index 9f1c1c4ab..000000000
--- a/ethereal/assets/muted/lib/go.js
+++ /dev/null
@@ -1,182 +0,0 @@
-(function(mod) {
-  if (typeof exports == "object" && typeof module == "object") // CommonJS
-    mod(require("../../lib/codemirror"));
-  else if (typeof define == "function" && define.amd) // AMD
-    define(["../../lib/codemirror"], mod);
-  else // Plain browser env
-    mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("go", function(config) {
-  var indentUnit = config.indentUnit;
-
-  var keywords = {
-    "break":true, "case":true, "chan":true, "const":true, "continue":true,
-    "default":true, "defer":true, "else":true, "fallthrough":true, "for":true,
-    "func":true, "go":true, "goto":true, "if":true, "import":true,
-    "interface":true, "map":true, "package":true, "range":true, "return":true,
-    "select":true, "struct":true, "switch":true, "type":true, "var":true,
-    "bool":true, "byte":true, "complex64":true, "complex128":true,
-    "float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
-    "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
-    "uint64":true, "int":true, "uint":true, "uintptr":true, "big": true,
-    "main": true, "init": true, "this":true
-  };
-
-  var atoms = {
-    "true":true, "false":true, "iota":true, "nil":true, "append":true,
-    "cap":true, "close":true, "complex":true, "copy":true, "imag":true,
-    "len":true, "make":true, "new":true, "panic":true, "print":true,
-    "println":true, "real":true, "recover":true, 
-  };
-
-  var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
-
-  var curPunc;
-
-  function tokenBase(stream, state) {
-    var ch = stream.next();
-    if (ch == '"' || ch == "'" || ch == "`") {
-      state.tokenize = tokenString(ch);
-      return state.tokenize(stream, state);
-    }
-    if (/[\d\.]/.test(ch)) {
-      if (ch == ".") {
-        stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
-      } else if (ch == "0") {
-        stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
-      } else {
-        stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
-      }
-      return "number";
-    }
-    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
-      curPunc = ch;
-      return null;
-    }
-    if (ch == "/") {
-      if (stream.eat("*")) {
-        state.tokenize = tokenComment;
-        return tokenComment(stream, state);
-      }
-      if (stream.eat("/")) {
-        stream.skipToEnd();
-        return "comment";
-      }
-    }
-    if (isOperatorChar.test(ch)) {
-      stream.eatWhile(isOperatorChar);
-      return "operator";
-    }
-    stream.eatWhile(/[\w\$_]/);
-    var cur = stream.current();
-    if (keywords.propertyIsEnumerable(cur)) {
-      if (cur == "case" || cur == "default") curPunc = "case";
-      return "keyword";
-    }
-    if (atoms.propertyIsEnumerable(cur)) return "atom";
-    return "variable";
-  }
-
-  function tokenString(quote) {
-    return function(stream, state) {
-      var escaped = false, next, end = false;
-      while ((next = stream.next()) != null) {
-        if (next == quote && !escaped) {end = true; break;}
-        escaped = !escaped && next == "\\";
-      }
-      if (end || !(escaped || quote == "`"))
-        state.tokenize = tokenBase;
-      return "string";
-    };
-  }
-
-  function tokenComment(stream, state) {
-    var maybeEnd = false, ch;
-    while (ch = stream.next()) {
-      if (ch == "/" && maybeEnd) {
-        state.tokenize = tokenBase;
-        break;
-      }
-      maybeEnd = (ch == "*");
-    }
-    return "comment";
-  }
-
-  function Context(indented, column, type, align, prev) {
-    this.indented = indented;
-    this.column = column;
-    this.type = type;
-    this.align = align;
-    this.prev = prev;
-  }
-  function pushContext(state, col, type) {
-    return state.context = new Context(state.indented, col, type, null, state.context);
-  }
-  function popContext(state) {
-    var t = state.context.type;
-    if (t == ")" || t == "]" || t == "}")
-      state.indented = state.context.indented;
-    return state.context = state.context.prev;
-  }
-
-  // Interface
-
-  return {
-    startState: function(basecolumn) {
-      return {
-        tokenize: null,
-        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
-        indented: 0,
-        startOfLine: true
-      };
-    },
-
-    token: function(stream, state) {
-      var ctx = state.context;
-      if (stream.sol()) {
-        if (ctx.align == null) ctx.align = false;
-        state.indented = stream.indentation();
-        state.startOfLine = true;
-        if (ctx.type == "case") ctx.type = "}";
-      }
-      if (stream.eatSpace()) return null;
-      curPunc = null;
-      var style = (state.tokenize || tokenBase)(stream, state);
-      if (style == "comment") return style;
-      if (ctx.align == null) ctx.align = true;
-
-      if (curPunc == "{") pushContext(state, stream.column(), "}");
-      else if (curPunc == "[") pushContext(state, stream.column(), "]");
-      else if (curPunc == "(") pushContext(state, stream.column(), ")");
-      else if (curPunc == "case") ctx.type = "case";
-      else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state);
-      else if (curPunc == ctx.type) popContext(state);
-      state.startOfLine = false;
-      return style;
-    },
-
-    indent: function(state, textAfter) {
-      if (state.tokenize != tokenBase && state.tokenize != null) return 0;
-      var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
-      if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
-        state.context.type = "}";
-        return ctx.indented;
-      }
-      var closing = firstChar == ctx.type;
-      if (ctx.align) return ctx.column + (closing ? 0 : 1);
-      else return ctx.indented + (closing ? 0 : indentUnit);
-    },
-
-    electricChars: "{}):",
-    fold: "brace",
-    blockCommentStart: "/*",
-    blockCommentEnd: "*/",
-    lineComment: "//"
-  };
-});
-
-CodeMirror.defineMIME("text/x-go", "go");
-
-});
diff --git a/ethereal/assets/muted/lib/matchbrackets.js b/ethereal/assets/muted/lib/matchbrackets.js
deleted file mode 100644
index dcdde81df..000000000
--- a/ethereal/assets/muted/lib/matchbrackets.js
+++ /dev/null
@@ -1,117 +0,0 @@
-(function(mod) {
-  if (typeof exports == "object" && typeof module == "object") // CommonJS
-    mod(require("../../lib/codemirror"));
-  else if (typeof define == "function" && define.amd) // AMD
-    define(["../../lib/codemirror"], mod);
-  else // Plain browser env
-    mod(CodeMirror);
-})(function(CodeMirror) {
-  var ie_lt8 = /MSIE \d/.test(navigator.userAgent) &&
-    (document.documentMode == null || document.documentMode < 8);
-
-  var Pos = CodeMirror.Pos;
-
-  var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
-
-  function findMatchingBracket(cm, where, strict, config) {
-    var line = cm.getLineHandle(where.line), pos = where.ch - 1;
-    var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
-    if (!match) return null;
-    var dir = match.charAt(1) == ">" ? 1 : -1;
-    if (strict && (dir > 0) != (pos == where.ch)) return null;
-    var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));
-
-    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
-    if (found == null) return null;
-    return {from: Pos(where.line, pos), to: found && found.pos,
-            match: found && found.ch == match.charAt(0), forward: dir > 0};
-  }
-
-  // bracketRegex is used to specify which type of bracket to scan
-  // should be a regexp, e.g. /[[\]]/
-  //
-  // Note: If "where" is on an open bracket, then this bracket is ignored.
-  //
-  // Returns false when no bracket was found, null when it reached
-  // maxScanLines and gave up
-  function scanForBracket(cm, where, dir, style, config) {
-    var maxScanLen = (config && config.maxScanLineLength) || 10000;
-    var maxScanLines = (config && config.maxScanLines) || 1000;
-
-    var stack = [];
-    var re = config && config.bracketRegex ? config.bracketRegex : /[(){}[\]]/;
-    var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1)
-                          : Math.max(cm.firstLine() - 1, where.line - maxScanLines);
-    for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) {
-      var line = cm.getLine(lineNo);
-      if (!line) continue;
-      var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1;
-      if (line.length > maxScanLen) continue;
-      if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
-      for (; pos != end; pos += dir) {
-        var ch = line.charAt(pos);
-        if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) {
-          var match = matching[ch];
-          if ((match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
-          else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch};
-          else stack.pop();
-        }
-      }
-    }
-    return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null;
-  }
-
-  function matchBrackets(cm, autoclear, config) {
-    // Disable brace matching in long lines, since it'll cause hugely slow updates
-    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
-    var marks = [], ranges = cm.listSelections();
-    for (var i = 0; i < ranges.length; i++) {
-      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config);
-      if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
-        var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
-        marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
-        if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
-          marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style}));
-      }
-    }
-
-    if (marks.length) {
-      // Kludge to work around the IE bug from issue #1193, where text
-      // input stops going to the textare whever this fires.
-      if (ie_lt8 && cm.state.focused) cm.display.input.focus();
-
-      var clear = function() {
-        cm.operation(function() {
-          for (var i = 0; i < marks.length; i++) marks[i].clear();
-        });
-      };
-      if (autoclear) setTimeout(clear, 800);
-      else return clear;
-    }
-  }
-
-  var currentlyHighlighted = null;
-  function doMatchBrackets(cm) {
-    cm.operation(function() {
-      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
-      currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
-    });
-  }
-
-  CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
-    if (old && old != CodeMirror.Init)
-      cm.off("cursorActivity", doMatchBrackets);
-    if (val) {
-      cm.state.matchBrackets = typeof val == "object" ? val : {};
-      cm.on("cursorActivity", doMatchBrackets);
-    }
-  });
-
-  CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
-  CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){
-    return findMatchingBracket(this, pos, strict, config);
-  });
-  CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){
-    return scanForBracket(this, pos, dir, style, config);
-  });
-});
diff --git a/ethereal/assets/muted/muted.js b/ethereal/assets/muted/muted.js
deleted file mode 100644
index 72e858d7a..000000000
--- a/ethereal/assets/muted/muted.js
+++ /dev/null
@@ -1,61 +0,0 @@
-// Helper function for generating pseudo callbacks and sending data to the QML part of the application
-function postData(data, cb) {
-	data._seed = Math.floor(Math.random() * 1000000)
-	if(cb) {
-		Muted._callbacks[data._seed] = cb;
-	}
-
-	if(data.args === undefined) {
-		data.args = [];
-	}
-
-	navigator.qt.postMessage(JSON.stringify(data));
-}
-
-window.Muted = {
-	prototype: Object(),
-}
-
-window.Muted._callbacks = {}
-window.Muted._onCallbacks = {}
-
-function debug(/**/) {
-	console.log("hello world")
-
-	var args = arguments;
-	var msg = ""
-	for(var i = 0; i < args.length; i++){
-		if(typeof args[i] == "object") {
-			msg += " " + JSON.stringify(args[i])
-		} else {
-			msg += args[i]
-		}
-	}
-
-	document.querySelector("#debugger").innerHTML += "<div class='line'><div class='col1'></div><div class='col2'>"+msg+"</div></div>";
-}
-console.log = function() {
-	var args = []
-	for(var i = 0; i < arguments.length; i++) {
-		args.push(arguments[i]);
-	}
-	postData({call:"log", args:args})
-}
-
-navigator.qt.onmessage = function(ev) {
-	var data = JSON.parse(ev.data)
-
-	if(data._event !== undefined) {
-		Muted.trigger(data._event, data.data);
-	} else {
-		if(data._seed) {
-			var cb = Muted._callbacks[data._seed];
-			if(cb) {
-				// Call the callback
-				cb(data.data);
-				// Remove the "trigger" callback
-				delete Muted._callbacks[ev._seed];
-			}
-		}
-	}
-}
diff --git a/ethereal/assets/net.png b/ethereal/assets/net.png
deleted file mode 100644
index 65a20ea00..000000000
--- a/ethereal/assets/net.png
+++ /dev/null
diff --git a/ethereal/assets/network.png b/ethereal/assets/network.png
deleted file mode 100644
index 0a9ffe2ec..000000000
--- a/ethereal/assets/network.png
+++ /dev/null
diff --git a/ethereal/assets/new.png b/ethereal/assets/new.png
deleted file mode 100644
index e80096748..000000000
--- a/ethereal/assets/new.png
+++ /dev/null
diff --git a/ethereal/assets/qml/QmlApp.qml b/ethereal/assets/qml/QmlApp.qml
deleted file mode 100644
index f5c503f4c..000000000
--- a/ethereal/assets/qml/QmlApp.qml
+++ /dev/null
@@ -1,22 +0,0 @@
-import QtQuick 2.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import Ethereum 1.0
-
-ApplicationWindow {
-	minimumWidth: 500
-	maximumWidth: 500
-	maximumHeight: 400
-	minimumHeight: 400
-
-	function onNewBlockCb(block) {
-		console.log("Please overwrite onNewBlock(block):", block)
-	}
-	function onObjectChangeCb(stateObject) {
-		console.log("Please overwrite onObjectChangeCb(object)", stateObject)
-	}
-	function onStorageChangeCb(storageObject) {
-		var ev = ["storage", storageObject.stateAddress, storageObject.address].join(":");
-		console.log("Please overwrite onStorageChangeCb(object)", ev)
-	}
-}
diff --git a/ethereal/assets/qml/first_run.qml b/ethereal/assets/qml/first_run.qml
deleted file mode 100644
index 0b1dac4c6..000000000
--- a/ethereal/assets/qml/first_run.qml
+++ /dev/null
@@ -1,155 +0,0 @@
-import QtQuick 2.0
-import Ethereum 1.0
-
-// Which ones do we actually need?
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import QtQuick.Dialogs 1.0;
-import QtQuick.Window 2.1;
-import QtQuick.Controls.Styles 1.1
-import QtQuick.Dialogs 1.1
-
-ApplicationWindow {
-    id: wizardRoot
-    width: 500
-    height: 400
-    title: "Ethereal first run setup"
-
-    Column {
-        spacing: 5
-        anchors.leftMargin: 10
-        anchors.left: parent.left
-
-        Text {
-            visible: true
-            text: "<h2>Ethereal setup</h2>"
-        }
-
-        Column {
-            id: restoreColumn
-            spacing: 5
-            Text {
-                visible: true
-                font.pointSize: 14
-                text: "Restore your Ethereum account"
-                id: restoreLabel
-            }
-
-            TextField {
-                id: txPrivKey
-                width: 480
-                placeholderText: "Private key or mnemonic words"
-                focus: true
-                onTextChanged: {
-                    if(this.text.length == 64){
-                        detailLabel.text = "Private (hex) key detected."
-                        actionButton.enabled = true
-                    }
-                    else if(this.text.split(" ").length == 24){
-                        detailLabel.text = "Mnemonic key detected."
-                        actionButton.enabled = true
-                    }else{
-                        detailLabel.text = ""
-                        actionButton.enabled = false
-                    }
-                }
-            }
-            Row {
-                spacing: 10
-                Button {
-                    id: actionButton
-                    text: "Restore"
-                    enabled: false
-                    onClicked: {
-                        var success = lib.importAndSetPrivKey(txPrivKey.text)
-                        if(success){
-                            importedDetails.visible = true
-                            restoreColumn.visible = false
-                            newKey.visible = false
-                            wizardRoot.height = 120
-                        }
-                    }
-                }
-                Text {
-                    id: detailLabel
-                    font.pointSize: 12
-                    anchors.topMargin: 10
-                }
-            }
-        }
-        Column {
-            id: importedDetails
-            visible: false
-            Text {
-                text: "<b>Your account has been imported. Please close the application and restart it again to let the changes take effect.</b>"
-                wrapMode: Text.WordWrap
-                width: 460
-            }
-        }
-        Column {
-            spacing: 5
-            id: newDetailsColumn
-            visible: false
-            Text {
-                font.pointSize: 14
-                text: "Your account details"
-            }
-            Label {
-                text: "Address"
-            }
-            TextField {
-                id: addressInput
-                readOnly:true
-                width: 480
-            }
-            Label {
-                text: "Private key"
-            }
-            TextField {
-                id: privkeyInput
-                readOnly:true
-                width: 480
-            }
-            Label {
-                text: "Mnemonic words"
-            }
-            TextField {
-                id: mnemonicInput
-                readOnly:true
-                width: 480
-            }
-            Label {
-                text: "<b>A new account has been created. Please take the time to write down the <i>24 words</i>. You can use those to restore your account at a later date.</b>"
-                wrapMode: Text.WordWrap
-                width: 480
-            }
-            Label {
-                text: "Please restart the application once you have completed the steps above."
-                wrapMode: Text.WordWrap
-                width: 480
-            }
-        }
-
-    }
-    Button {
-        anchors.right: parent.right
-        anchors.bottom: parent.bottom
-        anchors.rightMargin: 10
-        anchors.bottomMargin: 10
-        id: newKey
-        text: "I don't have an account yet"
-        onClicked: {
-            var res = lib.createAndSetPrivKey()
-            mnemonicInput.text = res[0]
-            addressInput.text = res[1]
-            privkeyInput.text = res[2]
-
-            // Hide restore
-            restoreColumn.visible = false
-
-            // Show new details
-            newDetailsColumn.visible = true
-            newKey.visible = false
-        }
-    }
-}
diff --git a/ethereal/assets/qml/muted.qml b/ethereal/assets/qml/muted.qml
deleted file mode 100644
index fac8267c4..000000000
--- a/ethereal/assets/qml/muted.qml
+++ /dev/null
@@ -1,74 +0,0 @@
-import QtQuick 2.0
-import QtWebKit 3.0
-import QtWebKit.experimental 1.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import QtQuick.Window 2.1;
-import Ethereum 1.0
-
-ApplicationWindow {
-    id: window
-    title: "muted"
-    width: 900
-    height: 600
-    minimumHeight: 300
-
-    property alias url: webView.url
-    property alias webView: webView
-
-
-    Item {
-        id: root
-        anchors.fill: parent
-        WebView {
-            objectName: "webView"
-            id: webView
-            anchors {
-                top: root.top
-                right: root.right
-                left: root.left
-                bottom: root.bottom
-                //bottom: sizeGrip.top
-            }
-
-            experimental.preferences.javascriptEnabled: true
-            experimental.preferences.navigatorQtObjectEnabled: true
-            experimental.onMessageReceived: {
-                var data = JSON.parse(message.data)
-
-                switch(data.call) {
-                case "log":
-                    console.log.apply(this, data.args)
-                    break;
-                }
-            }
-            function postData(seed, data) {
-                webview.experimental.postMessage(JSON.stringify({data: data, _seed: seed}))
-            }
-            function postEvent(event, data) {
-                webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))
-            }
-        }
-
-        /*
-        Rectangle {
-            id: sizeGrip
-            color: "gray"
-            height: 5
-            anchors {
-                left: root.left
-                right: root.right
-            }
-            y: Math.round(root.height * 2 / 3)
-
-            MouseArea {
-                anchors.fill: parent
-                drag.target: sizeGrip
-                drag.minimumY: 0
-                drag.maximumY: root.height - sizeGrip.height
-                drag.axis: Drag.YAxis
-            }
-        }
-        */
-    }
-}
diff --git a/ethereal/assets/qml/test_app.qml b/ethereal/assets/qml/test_app.qml
deleted file mode 100644
index c69587839..000000000
--- a/ethereal/assets/qml/test_app.qml
+++ /dev/null
@@ -1,70 +0,0 @@
-import QtQuick 2.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import Ethereum 1.0
-
-QmlApp {
-	minimumWidth: 350
-	maximumWidth: 350
-	maximumHeight: 80
-	minimumHeight: 80
-
-	title: "Generic Coin"
-
-	property string contractAddr: "f299f6c74515620e4c4cd8fe3d205b5c4f2e25c8"
-	property string addr: "2ef47100e0787b915105fd5e3f4ff6752079d5cb"
-
-	Component.onCompleted: {
-		eth.watch(contractAddr, addr)
-		eth.watch(addr, contractAddr)
-		setAmount()
-	}
-
-	function onStorageChangeCb(storageObject) {
-		setAmount()
-	}
-
-	function setAmount(){
-		var state = eth.getStateObject(contractAddr)
-		var storage = state.getStorage(addr)
-		amountLabel.text = storage
-	}
-	Column {
-		spacing: 5
-		Row {
-			spacing: 20
-			Label {
-				id: genLabel
-				text: "Generic coin balance:"
-			}
-			Label {
-				id: amountLabel
-			}
-		}
-		Row {
-			spacing: 20
-			TextField {
-				id: address
-				placeholderText: "Address"
-			}
-			TextField {
-				id: amount
-				placeholderText: "Amount"
-			}
-		}
-		Button {
-			text: "Send coins"
-			onClicked: {
-				var privKey = eth.getKey().privateKey
-				if(privKey){
-					var result = eth.transact(privKey, contractAddr, 0,"100000","250", "0x" + address.text + "\n" + amount.text)
-					resultTx.text = result.hash
-				}
-			}
-		}
-		Label {
-			id: resultTx
-		}
-	}
-
-}
diff --git a/ethereal/assets/qml/transactions.qml b/ethereal/assets/qml/transactions.qml
deleted file mode 100644
index e9a035a85..000000000
--- a/ethereal/assets/qml/transactions.qml
+++ /dev/null
@@ -1,9 +0,0 @@
-import QtQuick 2.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-
-Rectangle {
-	id: transactionView
-	visible: false
-	Text { text: "TX VIEW" }
-}
diff --git a/ethereal/assets/qml/wallet.qml b/ethereal/assets/qml/wallet.qml
deleted file mode 100644
index 84f8fd5cf..000000000
--- a/ethereal/assets/qml/wallet.qml
+++ /dev/null
@@ -1,1075 +0,0 @@
-import QtQuick 2.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import QtQuick.Dialogs 1.0;
-import QtQuick.Window 2.1;
-import QtQuick.Controls.Styles 1.1
-import Ethereum 1.0
-
-
-ApplicationWindow {
-	id: root
-
-	property alias miningButtonText: miningButton.text
-
-	width: 900
-	height: 600
-	minimumHeight: 300
-
-	title: "Ethereal"
-
-	MenuBar {
-		Menu {
-			title: "File"
-			MenuItem {
-				text: "Import App"
-				shortcut: "Ctrl+o"
-				onTriggered: openAppDialog.open()
-			}
-		}
-
-		Menu {
-			title: "Developer"
-			MenuItem {
-				text: "Debugger"
-				shortcut: "Ctrl+d"
-				onTriggered: ui.startDebugger()
-			}
-		}
-
-		Menu {
-			title: "Network"
-			MenuItem {
-				text: "Add Peer"
-				shortcut: "Ctrl+p"
-				onTriggered: {
-					addPeerWin.visible = true
-				}
-			}
-			MenuItem {
-				text: "Show Peers"
-				shortcut: "Ctrl+e"
-				onTriggered: {
-					peerWindow.visible = true
-				}
-			}
-		}
-
-		Menu {
-			title: "Help"
-			MenuItem {
-				text: "About"
-				onTriggered: {
-					aboutWin.visible = true
-				}
-			}
-		}
-
-	}
-
-
-	property var blockModel: ListModel {
-		id: blockModel
-	}
-
-	function setView(view) {
-		networkView.visible = false
-		historyView.visible = false
-		newTxView.visible = false
-		infoView.visible = false
-		view.visible = true
-		//root.title = "Ethereal - " = view.title
-	}
-
-	SplitView {
-		anchors.fill: parent
-		resizing: false
-
-		Rectangle {
-			id: menu
-			Layout.minimumWidth: 80
-			Layout.maximumWidth: 80
-			anchors.bottom: parent.bottom
-			anchors.top: parent.top
-			//color: "#D9DDE7"
-			color: "#252525"
-
-			ColumnLayout {
-				y: 50
-				anchors.left: parent.left
-				anchors.right: parent.right
-				height: 200
-				Image {
-					source: ui.assetPath("tx.png")
-					anchors.horizontalCenter: parent.horizontalCenter
-					MouseArea {
-						anchors.fill: parent
-						onClicked: {
-							setView(historyView)
-						}
-					}
-				}
-				Image {
-					source: ui.assetPath("new.png")
-					anchors.horizontalCenter: parent.horizontalCenter
-					MouseArea {
-						anchors.fill: parent
-						onClicked: {
-							setView(newTxView)
-						}
-					}
-				}
-				Image {
-					source: ui.assetPath("net.png")
-					anchors.horizontalCenter: parent.horizontalCenter
-					MouseArea {
-						anchors.fill: parent
-						onClicked: {
-							setView(networkView)
-						}
-					}
-				}
-
-				Image {
-					source: ui.assetPath("heart.png")
-					anchors.horizontalCenter: parent.horizontalCenter
-					MouseArea {
-						anchors.fill: parent
-						onClicked: {
-							setView(infoView)
-						}
-					}
-				}
-			}
-		}
-
-		Rectangle {
-			id: mainView
-			color: "#00000000"
-			anchors.right: parent.right
-			anchors.left: menu.right
-			anchors.bottom: parent.bottom
-			anchors.top: parent.top
-
-			property var txModel: ListModel {
-				id: txModel
-			}
-
-			Rectangle {
-				id: historyView
-				anchors.fill: parent
-
-				property var title: "Transactions"
-				TableView {
-					id: txTableView
-					anchors.fill: parent
-					TableViewColumn{ role: "inout" ; title: "" ; width: 40 }
-					TableViewColumn{ role: "value" ; title: "Value" ; width: 100 }
-					TableViewColumn{ role: "address" ; title: "Address" ; width: 430 }
-					TableViewColumn{ role: "contract" ; title: "Contract" ; width: 100 }
-
-					model: txModel
-				}
-			}
-
-			Rectangle {
-				id: newTxView
-				property var title: "New transaction"
-				visible: false
-				anchors.fill: parent
-				color: "#00000000"
-				/*
-				TabView{
-					anchors.fill: parent
-					anchors.rightMargin: 5
-					anchors.leftMargin: 5
-					anchors.topMargin: 5
-					anchors.bottomMargin: 5
-					id: newTransactionTab
-					Component.onCompleted:{
-						addTab("Simple send", newTransaction)
-						addTab("Contracts", newContract)
-					}
-				}
-				*/
-				Component.onCompleted: {
-					newContract.createObject(newTxView)
-				}
-			}
-
-			Rectangle {
-				id: networkView
-				property var title: "Network"
-				visible: false
-				anchors.fill: parent
-
-				TableView {
-					id: blockTable
-					width: parent.width
-					anchors.top: parent.top
-					anchors.bottom: parent.bottom
-					TableViewColumn{ role: "number" ; title: "#" ; width: 100 }
-					TableViewColumn{ role: "hash" ; title: "Hash" ; width: 560 }
-					TableViewColumn{ role: "txAmount" ; title: "Tx amount" ; width: 100 }
-
-					model: blockModel
-
-					onDoubleClicked: {
-						popup.visible = true
-						popup.setDetails(blockModel.get(row))
-					}
-				}
-
-			}
-
-			Rectangle {
-				id: infoView
-				property var title: "Information"
-				visible: false
-				color: "#00000000"
-				anchors.fill: parent
-
-				Column {
-					spacing: 3
-					anchors.fill: parent
-					anchors.topMargin: 5
-					anchors.leftMargin: 5
-
-					Label {
-						id: addressLabel
-						text: "Address"
-					}
-					TextField {
-						text: pub.getKey().address
-						width: 500
-					}
-
-					Label {
-						text: "Client ID"
-					}
-					TextField {
-						text: eth.clientId()
-						onTextChanged: {
-							eth.changeClientId(text)
-						}
-					}
-				}
-
-				property var addressModel: ListModel {
-					id: addressModel
-				}
-				TableView {
-					id: addressView
-					width: parent.width - 200
-					height: 200
-					anchors.bottom: logLayout.top
-					TableViewColumn{ role: "name"; title: "name" }
-					TableViewColumn{ role: "address"; title: "address"; width: 300}
-
-					model: addressModel
-				}
-
-				Rectangle {
-					anchors.top: addressView.top
-					anchors.left: addressView.right
-					anchors.leftMargin: 20
-
-					TextField {
-						placeholderText: "Name to register"
-						id: nameToReg
-						width: 150
-					}
-
-					Button {
-						anchors.top: nameToReg.bottom
-						text: "Register"
-						MouseArea{
-							anchors.fill: parent
-							onClicked: {
-								eth.registerName(nameToReg.text)
-								nameToReg.text = ""
-							}
-						}
-					}
-				}
-
-
-				property var logModel: ListModel {
-					id: logModel
-				}
-				RowLayout {
-					id: logLayout
-					width: parent.width
-					height: 200
-					anchors.bottom: parent.bottom
-					TableView {
-						id: logView
-						headerVisible: false
-						anchors {
-							right: logLevelSlider.left
-							left: parent.left
-							bottom: parent.bottom
-							top: parent.top
-						}
-
-						TableViewColumn{ role: "description" ; title: "log" }
-
-						model: logModel
-					}
-
-					Slider {
-						id: logLevelSlider
-						value: eth.getLogLevelInt()
-						anchors {
-							right: parent.right
-							top: parent.top
-							bottom: parent.bottom
-
-							rightMargin: 5
-							leftMargin: 5
-							topMargin: 5
-							bottomMargin: 5
-						}
-
-						orientation: Qt.Vertical
-						maximumValue: 5
-						stepSize: 1
-
-						onValueChanged: {
-							eth.setLogLevel(value)
-						}
-					}
-				}
-			}
-
-			/*
-			 signal addPlugin(string name)
-			 Component {
-				 id: pluginWindow
-				 Rectangle {
-					 anchors.fill: parent
-					 Label {
-						 id: pluginTitle
-						 anchors.centerIn: parent
-						 text: "Hello world"
-					 }
-					 Component.onCompleted: setView(this)
-				 }
-			 }
-
-			 onAddPlugin: {
-				 var pluginWin = pluginWindow.createObject(mainView)
-				 console.log(pluginWin)
-				 pluginWin.pluginTitle.text = "Test"
-			 }
-			 */
-		}
-	}
-
-	FileDialog {
-		id: openAppDialog
-		title: "Open QML Application"
-		onAccepted: {
-			//ui.open(openAppDialog.fileUrl.toString())
-			//ui.openHtml(Qt.resolvedUrl(ui.assetPath("test.html")))
-			var path = openAppDialog.fileUrl.toString()
-			console.log(path)
-			var ext = path.split('.').pop()
-			console.log(ext)
-			if(ext == "html" || ext == "htm") {
-				ui.openHtml(path)
-			}else if(ext == "qml"){
-				ui.openQml(path)
-			}
-		}
-	}
-
-	statusBar: StatusBar {
-		height: 30
-		RowLayout {
-			Button {
-				id: miningButton
-				onClicked: {
-					eth.toggleMining()
-				}
-				text: "Start Mining"
-			}
-
-			Button {
-				property var enabled: true
-				id: debuggerWindow
-				onClicked: {
-					ui.startDebugger()
-				}
-				text: "Debugger"
-			}
-
-			Button {
-				id: importAppButton
-				anchors.left: debuggerWindow.right
-				anchors.leftMargin: 5
-				onClicked: openAppDialog.open()
-				text: "Import App"
-			}
-
-			Label {
-				anchors.left: importAppButton.right
-				anchors.leftMargin: 5
-				id: walletValueLabel
-			}
-		}
-
-		Label {
-			y: 7
-			anchors.right: peerImage.left
-			anchors.rightMargin: 5
-			id: peerLabel
-			font.pixelSize: 8
-			text: "0 / 0"
-		}
-		Image {
-			y: 7
-			id: peerImage
-			anchors.right: parent.right
-			width: 10; height: 10
-			MouseArea {
-				onDoubleClicked:  peerWindow.visible = true
-				anchors.fill: parent
-			}
-			source: ui.assetPath("network.png")
-		}
-	}
-
-	Window {
-		id: popup
-		visible: false
-		property var block
-		width: root.width
-		height: 300
-		Component{
-			id: blockDetailsDelegate
-			Rectangle {
-				color: "#252525"
-				width: popup.width
-				height: 150
-				Column {
-					anchors.leftMargin: 10
-					anchors.topMargin: 5
-					anchors.top: parent.top
-					anchors.left: parent.left
-					Text { text: '<h3>Block details</h3>'; color: "#F2F2F2"}
-					Text { text: '<b>Block number:</b> ' + number; color: "#F2F2F2"}
-					Text { text: '<b>Hash:</b> ' + hash; color: "#F2F2F2"}
-					Text { text: '<b>Coinbase:</b> ' + coinbase; color: "#F2F2F2"}
-					Text { text: '<b>Block found at:</b> ' + prettyTime; color: "#F2F2F2"}
-					Text { text: '<b>Gas used:</b> ' + gasUsed + " / " + gasLimit; color: "#F2F2F2"}
-				}
-			}
-		}
-		ListView {
-			model: singleBlock
-			delegate: blockDetailsDelegate
-			anchors.top: parent.top
-			height: 100
-			anchors.leftMargin: 20
-			id: listViewThing
-			Layout.maximumHeight: 40
-		}
-		TableView {
-			id: txView
-			anchors.top: listViewThing.bottom
-			anchors.topMargin: 50
-			width: parent.width
-
-			TableViewColumn{width: 90; role: "value" ; title: "Value" }
-			TableViewColumn{width: 200; role: "hash" ; title: "Hash" }
-			TableViewColumn{width: 200; role: "sender" ; title: "Sender" }
-			TableViewColumn{width: 200;role: "address" ; title: "Receiver" }
-			TableViewColumn{width: 60; role: "gas" ; title: "Gas" }
-			TableViewColumn{width: 60; role: "gasPrice" ; title: "Gas Price" }
-			TableViewColumn{width: 60; role: "isContract" ; title: "Contract" }
-
-			model: transactionModel
-			onClicked: {
-				var tx = transactionModel.get(row)
-				if(tx.data) {
-					popup.showContractData(tx)
-				}else{
-					popup.height = 440
-				}
-			}
-		}
-
-		function showContractData(tx) {
-			txDetailsDebugButton.tx = tx
-			if(tx.createsContract) {
-				contractData.text = tx.data
-				contractLabel.text = "<h4> Transaction created contract " + tx.address + "</h4>"
-			}else{
-				contractLabel.text = "<h4> Transaction ran contract " + tx.address + "</h4>"
-				contractData.text = tx.rawData
-			}
-			popup.height = 540
-		}
-
-		Rectangle {
-			id: txDetails
-			width: popup.width
-			height: 300
-			anchors.left: listViewThing.left
-			anchors.top: txView.bottom
-			Label {
-				text: "<h4>Contract data</h4>"
-				anchors.top: parent.top
-				anchors.left: parent.left
-				id: contractLabel
-				anchors.leftMargin: 10
-			}
-			Button {
-				property var tx
-				id: txDetailsDebugButton
-				anchors.right: parent.right
-				anchors.rightMargin: 10
-				anchors.top: parent.top
-				anchors.topMargin: 10
-				text: "Debug contract"
-				onClicked: {
-					if(tx.createsContract){
-						ui.startDbWithCode(tx.rawData)
-					}else {
-						ui.startDbWithContractAndData(tx.address, tx.rawData)
-					}
-				}
-			}
-			TextArea {
-				id: contractData
-				text: "Contract"
-				anchors.top: contractLabel.bottom
-				anchors.left: parent.left
-				anchors.bottom: popup.bottom
-				wrapMode: Text.Wrap
-				width: parent.width - 30
-				height: 80
-				anchors.leftMargin: 10
-			}
-		}
-		property var transactionModel: ListModel {
-			id: transactionModel
-		}
-		property var singleBlock: ListModel {
-			id: singleBlock
-		}
-		function setDetails(block){
-			singleBlock.set(0,block)
-			popup.height = 300
-			transactionModel.clear()
-			if(block.txs != undefined){
-				for(var i = 0; i < block.txs.count; ++i) {
-					transactionModel.insert(0, block.txs.get(i))
-				}
-				if(block.txs.get(0).data){
-					popup.showContractData(block.txs.get(0))
-				}
-			}
-			txView.forceActiveFocus()
-		}
-	}
-
-	Window {
-		id: addPeerWin
-		visible: false
-		minimumWidth: 230
-		maximumWidth: 230
-		maximumHeight: 50
-		minimumHeight: 50
-
-		TextField {
-			id: addrField
-			anchors.verticalCenter: parent.verticalCenter
-			anchors.left: parent.left
-			anchors.leftMargin: 10
-			placeholderText: "address:port"
-			onAccepted: {
-				ui.connectToPeer(addrField.text)
-				addPeerWin.visible = false
-			}
-		}
-		Button {
-			anchors.left: addrField.right
-			anchors.verticalCenter: parent.verticalCenter
-			anchors.leftMargin: 5
-			text: "Add"
-			onClicked: {
-				ui.connectToPeer(addrField.text)
-				addPeerWin.visible = false
-			}
-		}
-		Component.onCompleted: {
-			addrField.focus = true
-		}
-	}
-
-	Window {
-		id: aboutWin
-		visible: false
-		title: "About"
-		minimumWidth: 350
-		maximumWidth: 350
-		maximumHeight: 200
-		minimumHeight: 200
-
-		Image {
-			id: aboutIcon
-			height: 150
-			width: 150
-			fillMode: Image.PreserveAspectFit
-			smooth: true
-			source: ui.assetPath("facet.png")
-			x: 10
-			y: 10
-		}
-
-		Text {
-			anchors.left: aboutIcon.right
-			anchors.leftMargin: 10
-			font.pointSize: 12
-			text: "<h2>Ethereal</h2><br><h3>Development</h3>Jeffrey Wilcke<br>Maran Hidskes<br>"
-		}
-	}
-
-	function addDebugMessage(message){
-		debuggerLog.append({value: message})
-	}
-
-	function addAddress(address) {
-		addressModel.append({name: address.name, address: address.address})
-	}
-	function clearAddress() {
-		addressModel.clear()
-	}
-
-	function loadPlugin(name) {
-		console.log("Loading plugin" + name)
-		mainView.addPlugin(name)
-	}
-
-	function setWalletValue(value) {
-		walletValueLabel.text = value
-	}
-
-	function addTx(tx, inout) {
-		var isContract
-		if (tx.contract == true){
-			isContract = "Yes"
-		}else{
-			isContract = "No"
-		}
-
-		var address;
-		if(inout == "recv") {
-			address = tx.sender;
-		} else {
-			address = tx.address;
-		}
-		txModel.insert(0, {inout: inout, hash: tx.hash, address: address, value: tx.value, contract: isContract})
-	}
-
-	function addBlock(block, initial) {
-		var txs = JSON.parse(block.transactions);
-		var amount = 0
-		if(initial == undefined){
-			initial = false
-		}
-
-		if(txs != null){
-			amount = txs.length
-		}
-
-		if(initial){
-			blockModel.append({number: block.number, gasLimit: block.gasLimit, gasUsed: block.gasUsed, coinbase: block.coinbase, hash: block.hash, txs: txs, txAmount: amount, time: block.time, prettyTime: convertToPretty(block.time)})
-		}else{
-			blockModel.insert(0, {number: block.number, gasLimit: block.gasLimit, gasUsed: block.gasUsed, coinbase: block.coinbase, hash: block.hash, txs: txs, txAmount: amount, time: block.time, prettyTime: convertToPretty(block.time)})
-		}
-	}
-
-	function addLog(str) {
-		// Remove first item once we've reached max log items
-		if(logModel.count > 250) {
-			logModel.remove(0)
-		}
-
-		if(str.len != 0) {
-			if(logView.flickableItem.atYEnd) {
-				logModel.append({description: str})
-				logView.positionViewAtRow(logView.rowCount - 1, ListView.Contain)
-			} else {
-				logModel.append({description: str})
-			}
-		}
-
-	}
-
-	function setPeers(text) {
-		peerLabel.text = text
-	}
-
-	function addPeer(peer) {
-		// We could just append the whole peer object but it cries if you try to alter them
-		peerModel.append({ip: peer.ip, port: peer.port, lastResponse:timeAgo(peer.lastSend), latency: peer.latency, version: peer.version})
-	}
-
-	function resetPeers(){
-		peerModel.clear()
-	}
-
-	function timeAgo(unixTs){
-		var lapsed = (Date.now() - new Date(unixTs*1000)) / 1000
-		return  (lapsed + " seconds ago")
-	}
-	function convertToPretty(unixTs){
-		var a = new Date(unixTs*1000);
-		var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
-		var year = a.getFullYear();
-		var month = months[a.getMonth()];
-		var date = a.getDate();
-		var hour = a.getHours();
-		var min = a.getMinutes();
-		var sec = a.getSeconds();
-		var time = date+' '+month+' '+year+' '+hour+':'+min+':'+sec ;
-		return time;
-	}
-	// ******************************************
-	// Windows
-	// ******************************************
-	Window {
-		id: peerWindow
-		height: 200
-		width: 700
-		Rectangle {
-			anchors.fill: parent
-			property var peerModel: ListModel {
-				id: peerModel
-			}
-			TableView {
-				anchors.fill: parent
-				id: peerTable
-				model: peerModel
-				TableViewColumn{width: 100; role: "ip" ; title: "IP" }
-				TableViewColumn{width: 60; role: "port" ; title: "Port" }
-				TableViewColumn{width: 140; role: "lastResponse"; title: "Last event" }
-				TableViewColumn{width: 100; role: "latency"; title: "Latency" }
-				TableViewColumn{width: 260; role: "version" ; title: "Version" }
-			}
-		}
-	}
-
-	// *******************************************
-	// Components
-	// *******************************************
-
-	// New Contract component
-	Component {
-		id: newContract
-		Column {
-			id: mainContractColumn
-			anchors.fill: parent
-			function contractFormReady(){
-				if(codeView.text.length > 0 && txValue.text.length > 0 && txGas.text.length > 0 && txGasPrice.length > 0) {
-					txButton.state = "READY"
-				}else{
-					txButton.state = "NOTREADY"
-				}
-			}
-			states: [
-				State{
-					name: "ERROR"
-					PropertyChanges { target: txResult; visible:true}
-					PropertyChanges { target: codeView; visible:true}
-				},
-				State {
-					name: "DONE"
-					PropertyChanges { target: txValue; visible:false}
-					PropertyChanges { target: txGas; visible:false}
-					PropertyChanges { target: txGasPrice; visible:false}
-					PropertyChanges { target: codeView; visible:false}
-					PropertyChanges { target: txButton; visible:false}
-					PropertyChanges { target: txDataLabel; visible:false}
-					PropertyChanges { target: atLabel; visible:false}
-					PropertyChanges { target: txFuelRecipient; visible:false}
-
-					PropertyChanges { target: txResult; visible:true}
-					PropertyChanges { target: txOutput; visible:true}
-					PropertyChanges { target: newTxButton; visible:true}
-				},
-				State {
-					name: "SETUP"
-					PropertyChanges { target: txValue; visible:true; text: ""}
-					PropertyChanges { target: txGas; visible:true; text: ""}
-					PropertyChanges { target: txGasPrice; visible:true; text: ""}
-					PropertyChanges { target: codeView; visible:true; text: ""}
-					PropertyChanges { target: txButton; visible:true}
-					PropertyChanges { target: txDataLabel; visible:true}
-
-					PropertyChanges { target: txResult; visible:false}
-					PropertyChanges { target: txOutput; visible:false}
-					PropertyChanges { target: newTxButton; visible:false}
-				}
-			]
-			width: 400
-			spacing: 5
-			anchors.left: parent.left
-			anchors.top: parent.top
-			anchors.leftMargin: 5
-			anchors.topMargin: 5
-
-			ListModel {
-				id: denomModel
-				ListElement { text: "Wei" ;     zeros: "" }
-				ListElement { text: "Ada" ;     zeros: "000" }
-				ListElement { text: "Babbage" ; zeros: "000000" }
-				ListElement { text: "Shannon" ; zeros: "000000000" }
-				ListElement { text: "Szabo" ;   zeros: "000000000000" }
-				ListElement { text: "Finney" ;  zeros: "000000000000000" }
-				ListElement { text: "Ether" ;   zeros: "000000000000000000" }
-				ListElement { text: "Einstein" ;zeros: "000000000000000000000" }
-				ListElement { text: "Douglas" ; zeros: "000000000000000000000000000000000000000000" }
-			}
-
-
-			TextField {
-				id: txFuelRecipient
-				placeholderText: "Address / Name or empty for contract"
-				//validator: RegExpValidator { regExp: /[a-f0-9]{40}/ }
-				width: 400
-			}
-
-			RowLayout {
-				TextField {
-					id: txValue
-					width: 222
-					placeholderText: "Amount"
-					validator: RegExpValidator { regExp: /\d*/ }
-					onTextChanged: {
-						contractFormReady()
-					}
-				}
-
-				ComboBox {
-					id: valueDenom
-					currentIndex: 6
-					model: denomModel
-				}
-			}
-
-			RowLayout {
-				TextField {
-					id: txGas
-					width: 50
-					validator: RegExpValidator { regExp: /\d*/ }
-					placeholderText: "Gas"
-					text: "500"
-					/*
-					onTextChanged: {
-						contractFormReady()
-					}
-					*/
-				}
-				Label {
-					id: atLabel
-					text: "@"
-				}
-
-				TextField {
-					id: txGasPrice
-					width: 200
-					placeholderText: "Gas price"
-					text: "10"
-					validator: RegExpValidator { regExp: /\d*/ }
-					/*
-					onTextChanged: {
-						contractFormReady()
-					}
-					*/
-				}
-
-				ComboBox {
-					id: gasDenom
-					currentIndex: 4
-					model: denomModel
-				}
-			}
-
-			Label {
-				id: txDataLabel
-				text: "Data"
-			}
-
-			TextArea {
-				id: codeView
-				height: 300
-				anchors.topMargin: 5
-				width: 400
-				onTextChanged: {
-					contractFormReady()
-				}
-			}
-
-
-			Button {
-				id: txButton
-				/* enabled: false */
-				states: [
-					State {
-						name: "READY"
-						PropertyChanges { target: txButton; /*enabled: true*/}
-					},
-					State {
-						name: "NOTREADY"
-						PropertyChanges { target: txButton; /*enabled:false*/}
-					}
-				]
-				text: "Send"
-				onClicked: {
-					var value = txValue.text + denomModel.get(valueDenom.currentIndex).zeros;
-					var gasPrice = txGasPrice.text + denomModel.get(gasDenom.currentIndex).zeros;
-					var res = eth.create(txFuelRecipient.text, value, txGas.text, gasPrice, codeView.text)
-					if(res[1]) {
-						txResult.text = "Your contract <b>could not</b> be send over the network:\n<b>"
-						txResult.text += res[1].error()
-						txResult.text += "</b>"
-						mainContractColumn.state = "ERROR"
-					} else {
-						txResult.text = "Your transaction has been submitted:\n"
-						txOutput.text = res[0].address
-						mainContractColumn.state = "DONE"
-					}
-				}
-			}
-			Text {
-				id: txResult
-				visible: false
-			}
-			TextField {
-				id: txOutput
-				visible: false
-				width: 530
-			}
-			Button {
-				id: newTxButton
-				visible: false
-				text: "Create a new transaction"
-				onClicked: {
-					this.visible = false
-					txResult.text = ""
-					txOutput.text = ""
-					mainContractColumn.state = "SETUP"
-				}
-			}
-		}
-	}
-	// New Transaction component
-	Component {
-		id: newTransaction
-		Column {
-			id: simpleSendColumn
-			states: [
-				State{
-					name: "ERROR"
-				},
-				State {
-					name: "DONE"
-					PropertyChanges { target: txSimpleValue; visible:false}
-					PropertyChanges { target: txSimpleRecipient; visible:false}
-					PropertyChanges { target:newSimpleTxButton; visible:false}
-
-					PropertyChanges { target: txSimpleResult; visible:true}
-					PropertyChanges { target: txSimpleOutput; visible:true}
-					PropertyChanges { target:newSimpleTxButton; visible:true}
-				},
-				State {
-					name: "SETUP"
-					PropertyChanges { target: txSimpleValue; visible:true; text: ""}
-					PropertyChanges { target: txSimpleRecipient; visible:true; text: ""}
-					PropertyChanges { target: txSimpleButton; visible:true}
-					PropertyChanges { target:newSimpleTxButton; visible:false}
-				}
-			]
-			spacing: 5
-			anchors.leftMargin: 5
-			anchors.topMargin: 5
-			anchors.top: parent.top
-			anchors.left: parent.left
-
-			function checkFormState(){
-				if(txSimpleRecipient.text.length == 40 && txSimpleValue.text.length > 0) {
-					txSimpleButton.state = "READY"
-				}else{
-					txSimpleButton.state = "NOTREADY"
-				}
-			}
-
-			TextField {
-				id: txSimpleRecipient
-				placeholderText: "Recipient address"
-				Layout.fillWidth: true
-				//validator: RegExpValidator { regExp: /[a-f0-9]{40}/ }
-				width: 530
-				onTextChanged: { checkFormState() }
-			}
-			TextField {
-				id: txSimpleValue
-				width: 200
-				placeholderText: "Amount"
-				anchors.rightMargin: 5
-				validator: RegExpValidator { regExp: /\d*/ }
-				onTextChanged: { checkFormState() }
-			}
-			Button {
-				id: txSimpleButton
-				/*enabled: false*/
-				states: [
-					State {
-						name: "READY"
-						PropertyChanges { target: txSimpleButton; /*enabled: true*/}
-					},
-					State {
-						name: "NOTREADY"
-						PropertyChanges { target: txSimpleButton; /*enabled: false*/}
-					}
-				]
-				text: "Send"
-				onClicked: {
-					//this.enabled = false
-					var res = eth.transact(txSimpleRecipient.text, txSimpleValue.text, "500", "1000000", "")
-					if(res[1]) {
-						txSimpleResult.text = "There has been an error broadcasting your transaction:" + res[1].error()
-					} else {
-						txSimpleResult.text = "Your transaction has been broadcasted over the network.\nYour transaction id is:"
-						txSimpleOutput.text = res[0].hash
-						this.visible = false
-						simpleSendColumn.state = "DONE"
-					}
-				}
-			}
-			Text {
-				id: txSimpleResult
-				visible: false
-
-			}
-			TextField {
-				id: txSimpleOutput
-				visible: false
-				width: 530
-			}
-			Button {
-				id: newSimpleTxButton
-				visible: false
-				text: "Create an other transaction"
-				onClicked: {
-					this.visible = false
-					simpleSendColumn.state = "SETUP"
-				}
-			}
-		}
-	}
-}
diff --git a/ethereal/assets/qml/webapp.qml b/ethereal/assets/qml/webapp.qml
deleted file mode 100644
index 63927f0eb..000000000
--- a/ethereal/assets/qml/webapp.qml
+++ /dev/null
@@ -1,246 +0,0 @@
-import QtQuick 2.0
-import QtWebKit 3.0
-import QtWebKit.experimental 1.0
-import QtQuick.Controls 1.0;
-import QtQuick.Layouts 1.0;
-import QtQuick.Window 2.1;
-import Ethereum 1.0
-
-ApplicationWindow {
-	id: window
-	title: "Ethereum"
-	width: 900
-	height: 600
-	minimumHeight: 300
-
-	property alias url: webview.url
-	property alias webView: webview
-
-	Item {
-		objectName: "root"
-		id: root
-		anchors.fill: parent
-		state: "inspectorShown"
-
-		WebView {
-			objectName: "webView"
-			id: webview
-			anchors.fill: parent
-			/*
-			 anchors {
-				 left: parent.left
-				 right: parent.right
-				 bottom: sizeGrip.top
-				 top: parent.top
-			 }
-			 */
-			onTitleChanged: { window.title = title }
-			experimental.preferences.javascriptEnabled: true
-			experimental.preferences.navigatorQtObjectEnabled: true
-			experimental.preferences.developerExtrasEnabled: true
-			experimental.userScripts: [ui.assetPath("ext/pre.js"), ui.assetPath("ext/big.js"), ui.assetPath("ext/string.js"), ui.assetPath("ext/ethereum.js")]
-			experimental.onMessageReceived: {
-				console.log("[onMessageReceived]: ", message.data)
-				// TODO move to messaging.js
-				var data = JSON.parse(message.data)
-
-				try {
-					switch(data.call) {
-					case "getCoinBase":
-					      postData(data._seed, eth.getCoinBase())
-
-					      break
-					case "getIsListening":
-					      postData(data._seed, eth.getIsListening())
-
-					      break
-					case "getIsMining":
-					      postData(data._seed, eth.getIsMining())
-
-					      break
-					case "getPeerCount":
-					      postData(data._seed, eth.getPeerCount())
-
-					      break
-
-					case "getTxCountAt":
-					      require(1)
-					      postData(data._seed, eth.getTxCountAt(data.args[0]))
-
-					      break
-					case "getBlockByNumber":
-						var block = eth.getBlock(data.args[0])
-						postData(data._seed, block)
-
-						break
-					case "getBlockByHash":
-						var block = eth.getBlock(data.args[0])
-						postData(data._seed, block)
-
-						break
-					case "transact":
-						require(5)
-
-						var tx = eth.transact(data.args[0], data.args[1], data.args[2],data.args[3],data.args[4],data.args[5])
-						postData(data._seed, tx)
-
-						break
-					case "create":
-						postData(data._seed, null)
-
-						break
-					case "getStorage":
-						require(2);
-
-						var stateObject = eth.getStateObject(data.args[0])
-						var storage = stateObject.getStorage(data.args[1])
-						postData(data._seed, storage)
-
-						break
-					case "getStateKeyVals":
-					      require(1);
-					      var stateObject = eth.getStateObject(data.args[0]).stateKeyVal(true)
-					      postData(data._seed,stateObject)
-
-						break
-					case "getTransactionsFor":
-					      require(1);
-					      var txs = eth.getTransactionsFor(data.args[0], true)
-					      postData(data._seed, txs)
-
-					      break
-					case "getBalance":
-						require(1);
-
-						postData(data._seed, eth.getStateObject(data.args[0]).value());
-
-						break
-					case "getKey":
-						var key = eth.getKey().privateKey;
-
-						postData(data._seed, key)
-						break
-					case "watch":
-						require(1)
-						eth.watch(data.args[0], data.args[1]);
-						break
-					case "disconnect":
-						require(1)
-						postData(data._seed, null)
-						break;
-					case "set":
-            console.log("'Set' has been depcrecated")
-          /*
-						for(var key in data.args) {
-							if(webview.hasOwnProperty(key)) {
-								window[key] = data.args[key];
-							}
-						}
-            */
-						break;
-					case "getSecretToAddress":
-						require(1)
-						postData(data._seed, eth.secretToAddress(data.args[0]))
-						break;
-					case "debug":
-						console.log(data.args[0]);
-						break;
-					}
-				} catch(e) {
-					console.log(data.call + ": " + e)
-
-					postData(data._seed, null);
-				}
-			}
-
-			function require(args, num) {
-				if(args.length < num) {
-					throw("required argument count of "+num+" got "+args.length);
-				}
-			}
-			function postData(seed, data) {
-				webview.experimental.postMessage(JSON.stringify({data: data, _seed: seed}))
-			}
-			function postEvent(event, data) {
-				webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))
-			}
-
-			function onNewBlockCb(block) {
-				postEvent("block:new", block)
-			}
-			function onObjectChangeCb(stateObject) {
-				postEvent("object:"+stateObject.address(), stateObject)
-			}
-			function onStorageChangeCb(storageObject) {
-				var ev = ["storage", storageObject.stateAddress, storageObject.address].join(":");
-				postEvent(ev, [storageObject.address, storageObject.value])
-			}
-		}
-		Rectangle {
-			id: toggleInspector
-			color: "#bcbcbc"
-			visible: true
-			height: 12
-			width: 12
-			anchors {
-				right: root.right
-			}
-			MouseArea {
-				onClicked: {
-					if(inspector.visible == true){
-						inspector.visible = false
-					}else{
-						inspector.visible = true
-					}
-				}
-				onDoubleClicked: {
-				  console.log('refreshing')
-				  webView.reload()
-				}
-				anchors.fill: parent
-			}
-		}
-
-		Rectangle {
-			id: sizeGrip
-			color: "gray"
-			visible: false
-			height: 10
-			anchors {
-				left: root.left
-				right: root.right
-			}
-			y: Math.round(root.height * 2 / 3)
-
-			MouseArea {
-				anchors.fill: parent
-				drag.target: sizeGrip
-				drag.minimumY: 0
-				drag.maximumY: root.height
-				drag.axis: Drag.YAxis
-			}
-		}
-
-		WebView {
-			id: inspector
-			visible: false
-			url: webview.experimental.remoteInspectorUrl
-			anchors {
-				left: root.left
-				right: root.right
-				top: sizeGrip.bottom
-				bottom: root.bottom
-			}
-		}
-
-		states: [
-			State {
-				name: "inspectorShown"
-				PropertyChanges {
-					target: inspector
-					url: webview.experimental.remoteInspectorUrl
-				}
-			}
-		]
-	}
-}
diff --git a/ethereal/assets/samplecoin/bootstrap-theme.min.css b/ethereal/assets/samplecoin/bootstrap-theme.min.css
deleted file mode 100755
index 8dee07209..000000000
--- a/ethereal/assets/samplecoin/bootstrap-theme.min.css
+++ /dev/null
@@ -1,7 +0,0 @@
-/*!
- * Bootstrap v3.1.1 (http://getbootstrap.com)
- * Copyright 2011-2014 Twitter, Inc.
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- */
-
-.btn-default,.btn-primary,.btn-success,.btn-info,.btn-warning,.btn-danger{text-shadow:0 -1px 0 rgba(0,0,0,0.2);-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,0.15),0 1px 1px rgba(0,0,0,0.075);box-shadow:inset 0 1px 0 rgba(255,255,255,0.15),0 1px 1px rgba(0,0,0,0.075)}.btn-default:active,.btn-primary:active,.btn-success:active,.btn-info:active,.btn-warning:active,.btn-danger:active,.btn-default.active,.btn-primary.active,.btn-success.active,.btn-info.active,.btn-warning.active,.btn-danger.active{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,0.125);box-shadow:inset 0 3px 5px rgba(0,0,0,0.125)}.btn:active,.btn.active{background-image:none}.btn-default{background-image:-webkit-linear-gradient(top, #fff 0, #e0e0e0 100%);background-image:linear-gradient(to bottom, #fff 0, #e0e0e0 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe0e0e0', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);background-repeat:repeat-x;border-color:#dbdbdb;text-shadow:0 1px 0 #fff;border-color:#ccc}.btn-default:hover,.btn-default:focus{background-color:#e0e0e0;background-position:0 -15px}.btn-default:active,.btn-default.active{background-color:#e0e0e0;border-color:#dbdbdb}.btn-primary{background-image:-webkit-linear-gradient(top, #428bca 0, #2d6ca2 100%);background-image:linear-gradient(to bottom, #428bca 0, #2d6ca2 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff2d6ca2', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);background-repeat:repeat-x;border-color:#2b669a}.btn-primary:hover,.btn-primary:focus{background-color:#2d6ca2;background-position:0 -15px}.btn-primary:active,.btn-primary.active{background-color:#2d6ca2;border-color:#2b669a}.btn-success{background-image:-webkit-linear-gradient(top, #5cb85c 0, #419641 100%);background-image:linear-gradient(to bottom, #5cb85c 0, #419641 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5cb85c', endColorstr='#ff419641', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);background-repeat:repeat-x;border-color:#3e8f3e}.btn-success:hover,.btn-success:focus{background-color:#419641;background-position:0 -15px}.btn-success:active,.btn-success.active{background-color:#419641;border-color:#3e8f3e}.btn-info{background-image:-webkit-linear-gradient(top, #5bc0de 0, #2aabd2 100%);background-image:linear-gradient(to bottom, #5bc0de 0, #2aabd2 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5bc0de', endColorstr='#ff2aabd2', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);background-repeat:repeat-x;border-color:#28a4c9}.btn-info:hover,.btn-info:focus{background-color:#2aabd2;background-position:0 -15px}.btn-info:active,.btn-info.active{background-color:#2aabd2;border-color:#28a4c9}.btn-warning{background-image:-webkit-linear-gradient(top, #f0ad4e 0, #eb9316 100%);background-image:linear-gradient(to bottom, #f0ad4e 0, #eb9316 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff0ad4e', endColorstr='#ffeb9316', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);background-repeat:repeat-x;border-color:#e38d13}.btn-warning:hover,.btn-warning:focus{background-color:#eb9316;background-position:0 -15px}.btn-warning:active,.btn-warning.active{background-color:#eb9316;border-color:#e38d13}.btn-danger{background-image:-webkit-linear-gradient(top, #d9534f 0, #c12e2a 100%);background-image:linear-gradient(to bottom, #d9534f 0, #c12e2a 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9534f', endColorstr='#ffc12e2a', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);background-repeat:repeat-x;border-color:#b92c28}.btn-danger:hover,.btn-danger:focus{background-color:#c12e2a;background-position:0 -15px}.btn-danger:active,.btn-danger.active{background-color:#c12e2a;border-color:#b92c28}.thumbnail,.img-thumbnail{-webkit-box-shadow:0 1px 2px rgba(0,0,0,0.075);box-shadow:0 1px 2px rgba(0,0,0,0.075)}.dropdown-menu>li>a:hover,.dropdown-menu>li>a:focus{background-image:-webkit-linear-gradient(top, #f5f5f5 0, #e8e8e8 100%);background-image:linear-gradient(to bottom, #f5f5f5 0, #e8e8e8 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#ffe8e8e8', GradientType=0);background-color:#e8e8e8}.dropdown-menu>.active>a,.dropdown-menu>.active>a:hover,.dropdown-menu>.active>a:focus{background-image:-webkit-linear-gradient(top, #428bca 0, #357ebd 100%);background-image:linear-gradient(to bottom, #428bca 0, #357ebd 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff357ebd', GradientType=0);background-color:#357ebd}.navbar-default{background-image:-webkit-linear-gradient(top, #fff 0, #f8f8f8 100%);background-image:linear-gradient(to bottom, #fff 0, #f8f8f8 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#fff8f8f8', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false);border-radius:4px;-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,0.15),0 1px 5px rgba(0,0,0,0.075);box-shadow:inset 0 1px 0 rgba(255,255,255,0.15),0 1px 5px rgba(0,0,0,0.075)}.navbar-default .navbar-nav>.active>a{background-image:-webkit-linear-gradient(top, #ebebeb 0, #f3f3f3 100%);background-image:linear-gradient(to bottom, #ebebeb 0, #f3f3f3 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffebebeb', endColorstr='#fff3f3f3', GradientType=0);-webkit-box-shadow:inset 0 3px 9px rgba(0,0,0,0.075);box-shadow:inset 0 3px 9px rgba(0,0,0,0.075)}.navbar-brand,.navbar-nav>li>a{text-shadow:0 1px 0 rgba(255,255,255,0.25)}.navbar-inverse{background-image:-webkit-linear-gradient(top, #3c3c3c 0, #222 100%);background-image:linear-gradient(to bottom, #3c3c3c 0, #222 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff3c3c3c', endColorstr='#ff222222', GradientType=0);filter:progid:DXImageTransform.Microsoft.gradient(enabled = false)}.navbar-inverse .navbar-nav>.active>a{background-image:-webkit-linear-gradient(top, #222 0, #282828 100%);background-image:linear-gradient(to bottom, #222 0, #282828 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff222222', endColorstr='#ff282828', GradientType=0);-webkit-box-shadow:inset 0 3px 9px rgba(0,0,0,0.25);box-shadow:inset 0 3px 9px rgba(0,0,0,0.25)}.navbar-inverse .navbar-brand,.navbar-inverse .navbar-nav>li>a{text-shadow:0 -1px 0 rgba(0,0,0,0.25)}.navbar-static-top,.navbar-fixed-top,.navbar-fixed-bottom{border-radius:0}.alert{text-shadow:0 1px 0 rgba(255,255,255,0.2);-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,0.25),0 1px 2px rgba(0,0,0,0.05);box-shadow:inset 0 1px 0 rgba(255,255,255,0.25),0 1px 2px rgba(0,0,0,0.05)}.alert-success{background-image:-webkit-linear-gradient(top, #dff0d8 0, #c8e5bc 100%);background-image:linear-gradient(to bottom, #dff0d8 0, #c8e5bc 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffdff0d8', endColorstr='#ffc8e5bc', GradientType=0);border-color:#b2dba1}.alert-info{background-image:-webkit-linear-gradient(top, #d9edf7 0, #b9def0 100%);background-image:linear-gradient(to bottom, #d9edf7 0, #b9def0 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9edf7', endColorstr='#ffb9def0', GradientType=0);border-color:#9acfea}.alert-warning{background-image:-webkit-linear-gradient(top, #fcf8e3 0, #f8efc0 100%);background-image:linear-gradient(to bottom, #fcf8e3 0, #f8efc0 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffcf8e3', endColorstr='#fff8efc0', GradientType=0);border-color:#f5e79e}.alert-danger{background-image:-webkit-linear-gradient(top, #f2dede 0, #e7c3c3 100%);background-image:linear-gradient(to bottom, #f2dede 0, #e7c3c3 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff2dede', endColorstr='#ffe7c3c3', GradientType=0);border-color:#dca7a7}.progress{background-image:-webkit-linear-gradient(top, #ebebeb 0, #f5f5f5 100%);background-image:linear-gradient(to bottom, #ebebeb 0, #f5f5f5 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffebebeb', endColorstr='#fff5f5f5', GradientType=0)}.progress-bar{background-image:-webkit-linear-gradient(top, #428bca 0, #3071a9 100%);background-image:linear-gradient(to bottom, #428bca 0, #3071a9 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff3071a9', GradientType=0)}.progress-bar-success{background-image:-webkit-linear-gradient(top, #5cb85c 0, #449d44 100%);background-image:linear-gradient(to bottom, #5cb85c 0, #449d44 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5cb85c', endColorstr='#ff449d44', GradientType=0)}.progress-bar-info{background-image:-webkit-linear-gradient(top, #5bc0de 0, #31b0d5 100%);background-image:linear-gradient(to bottom, #5bc0de 0, #31b0d5 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5bc0de', endColorstr='#ff31b0d5', GradientType=0)}.progress-bar-warning{background-image:-webkit-linear-gradient(top, #f0ad4e 0, #ec971f 100%);background-image:linear-gradient(to bottom, #f0ad4e 0, #ec971f 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff0ad4e', endColorstr='#ffec971f', GradientType=0)}.progress-bar-danger{background-image:-webkit-linear-gradient(top, #d9534f 0, #c9302c 100%);background-image:linear-gradient(to bottom, #d9534f 0, #c9302c 100%);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffd9534f', endColorstr='#ffc9302c', GradientType=0)}.list-group{border-radius:4px;-webkit-box-shadow:0 1px 2px rgba(0,0,0,0.075);box-shadow:0 1px 2px rgba(0,0,0,0.075)}.list-group-item.active,.list-group-item.active:hover,.list-group-item.active:focus{text-shadow:0 -1px 0 #3071a9;background-image:-webkit-linear-gradient(top, #428bca 0, #3278b3 100%);background-image:linear-gradient(to bottom, #428bca 0, #3278b3 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.form-control-feedback{color:#3c763d}.has-warning .help-block,.has-warning .control-label,.has-warning .radio,.has-warning .checkbox,.has-warning .radio-inline,.has-warning .checkbox-inline{color:#8a6d3b}.has-warning .form-control{border-color:#8a6d3b;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075)}.has-warning .form-control:focus{border-color:#66512c;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 6px #c0a16b;box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 6px #c0a16b}.has-warning .input-group-addon{color:#8a6d3b;border-color:#8a6d3b;background-color:#fcf8e3}.has-warning .form-control-feedback{color:#8a6d3b}.has-error .help-block,.has-error .control-label,.has-error .radio,.has-error .checkbox,.has-error .radio-inline,.has-error .checkbox-inline{color:#a94442}.has-error .form-control{border-color:#a94442;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075)}.has-error .form-control:focus{border-color:#843534;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 6px #ce8483;box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 6px #ce8483}.has-error .input-group-addon{color:#a94442;border-color:#a94442;background-color:#f2dede}.has-error .form-control-feedback{color:#a94442}.form-control-static{margin-bottom:0}.help-block{display:block;margin-top:5px;margin-bottom:10px;color:#737373}@media (min-width:768px){.form-inline .form-group{display:inline-block;margin-bottom:0;vertical-align:middle}.form-inline .form-control{display:inline-block;width:auto;vertical-align:middle}.form-inline .input-group>.form-control{width:100%}.form-inline .control-label{margin-bottom:0;vertical-align:middle}.form-inline .radio,.form-inline .checkbox{display:inline-block;margin-top:0;margin-bottom:0;padding-left:0;vertical-align:middle}.form-inline .radio input[type="radio"],.form-inline .checkbox input[type="checkbox"]{float:none;margin-left:0}.form-inline .has-feedback .form-control-feedback{top:0}}.form-horizontal .control-label,.form-horizontal .radio,.form-horizontal .checkbox,.form-horizontal .radio-inline,.form-horizontal .checkbox-inline{margin-top:0;margin-bottom:0;padding-top:7px}.form-horizontal .radio,.form-horizontal .checkbox{min-height:27px}.form-horizontal .form-group{margin-left:-15px;margin-right:-15px}.form-horizontal .form-control-static{padding-top:7px}@media (min-width:768px){.form-horizontal .control-label{text-align:right}}.form-horizontal .has-feedback .form-control-feedback{top:0;right:15px}.btn{display:inline-block;margin-bottom:0;font-weight:normal;text-align:center;vertical-align:middle;cursor:pointer;background-image:none;border:1px solid transparent;white-space:nowrap;padding:6px 12px;font-size:14px;line-height:1.42857143;border-radius:4px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.btn:focus,.btn:active:focus,.btn.active:focus{outline:thin dotted;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}.btn:hover,.btn:focus{color:#333;text-decoration:none}.btn:active,.btn.active{outline:0;background-image:none;-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,0.125);box-shadow:inset 0 3px 5px rgba(0,0,0,0.125)}.btn.disabled,.btn[disabled],fieldset[disabled] .btn{cursor:not-allowed;pointer-events:none;opacity:.65;filter:alpha(opacity=65);-webkit-box-shadow:none;box-shadow:none}.btn-default{color:#333;background-color:#fff;border-color:#ccc}.btn-default:hover,.btn-default:focus,.btn-default:active,.btn-default.active,.open .dropdown-toggle.btn-default{color:#333;background-color:#ebebeb;border-color:#adadad}.btn-default:active,.btn-default.active,.open .dropdown-toggle.btn-default{background-image:none}.btn-default.disabled,.btn-default[disabled],fieldset[disabled] .btn-default,.btn-default.disabled:hover,.btn-default[disabled]:hover,fieldset[disabled] .btn-default:hover,.btn-default.disabled:focus,.btn-default[disabled]:focus,fieldset[disabled] .btn-default:focus,.btn-default.disabled:active,.btn-default[disabled]:active,fieldset[disabled] .btn-default:active,.btn-default.disabled.active,.btn-default[disabled].active,fieldset[disabled] .btn-default.active{background-color:#fff;border-color:#ccc}.btn-default .badge{color:#fff;background-color:#333}.btn-primary{color:#fff;background-color:#428bca;border-color:#357ebd}.btn-primary:hover,.btn-primary:focus,.btn-primary:active,.btn-primary.active,.open .dropdown-toggle.btn-primary{color:#fff;background-color:#3276b1;border-color:#285e8e}.btn-primary:active,.btn-primary.active,.open .dropdown-toggle.btn-primary{background-image:none}.btn-primary.disabled,.btn-primary[disabled],fieldset[disabled] .btn-primary,.btn-primary.disabled:hover,.btn-primary[disabled]:hover,fieldset[disabled] .btn-primary:hover,.btn-primary.disabled:focus,.btn-primary[disabled]:focus,fieldset[disabled] .btn-primary:focus,.btn-primary.disabled:active,.btn-primary[disabled]:active,fieldset[disabled] .btn-primary:active,.btn-primary.disabled.active,.btn-primary[disabled].active,fieldset[disabled] .btn-primary.active{background-color:#428bca;border-color:#357ebd}.btn-primary .badge{color:#428bca;background-color:#fff}.btn-success{color:#fff;background-color:#5cb85c;border-color:#4cae4c}.btn-success:hover,.btn-success:focus,.btn-success:active,.btn-success.active,.open .dropdown-toggle.btn-success{color:#fff;background-color:#47a447;border-color:#398439}.btn-success:active,.btn-success.active,.open .dropdown-toggle.btn-success{background-image:none}.btn-success.disabled,.btn-success[disabled],fieldset[disabled] .btn-success,.btn-success.disabled:hover,.btn-success[disabled]:hover,fieldset[disabled] .btn-success:hover,.btn-success.disabled:focus,.btn-success[disabled]:focus,fieldset[disabled] .btn-success:focus,.btn-success.disabled:active,.btn-success[disabled]:active,fieldset[disabled] .btn-success:active,.btn-success.disabled.active,.btn-success[disabled].active,fieldset[disabled] .btn-success.active{background-color:#5cb85c;border-color:#4cae4c}.btn-success .badge{color:#5cb85c;background-color:#fff}.btn-info{color:#fff;background-color:#5bc0de;border-color:#46b8da}.btn-info:hover,.btn-info:focus,.btn-info:active,.btn-info.active,.open .dropdown-toggle.btn-info{color:#fff;background-color:#39b3d7;border-color:#269abc}.btn-info:active,.btn-info.active,.open .dropdown-toggle.btn-info{background-image:none}.btn-info.disabled,.btn-info[disabled],fieldset[disabled] .btn-info,.btn-info.disabled:hover,.btn-info[disabled]:hover,fieldset[disabled] .btn-info:hover,.btn-info.disabled:focus,.btn-info[disabled]:focus,fieldset[disabled] .btn-info:focus,.btn-info.disabled:active,.btn-info[disabled]:active,fieldset[disabled] .btn-info:active,.btn-info.disabled.active,.btn-info[disabled].active,fieldset[disabled] .btn-info.active{background-color:#5bc0de;border-color:#46b8da}.btn-info .badge{color:#5bc0de;background-color:#fff}.btn-warning{color:#fff;background-color:#f0ad4e;border-color:#eea236}.btn-warning:hover,.btn-warning:focus,.btn-warning:active,.btn-warning.active,.open .dropdown-toggle.btn-warning{color:#fff;background-color:#ed9c28;border-color:#d58512}.btn-warning:active,.btn-warning.active,.open .dropdown-toggle.btn-warning{background-image:none}.btn-warning.disabled,.btn-warning[disabled],fieldset[disabled] .btn-warning,.btn-warning.disabled:hover,.btn-warning[disabled]:hover,fieldset[disabled] .btn-warning:hover,.btn-warning.disabled:focus,.btn-warning[disabled]:focus,fieldset[disabled] .btn-warning:focus,.btn-warning.disabled:active,.btn-warning[disabled]:active,fieldset[disabled] .btn-warning:active,.btn-warning.disabled.active,.btn-warning[disabled].active,fieldset[disabled] .btn-warning.active{background-color:#f0ad4e;border-color:#eea236}.btn-warning .badge{color:#f0ad4e;background-color:#fff}.btn-danger{color:#fff;background-color:#d9534f;border-color:#d43f3a}.btn-danger:hover,.btn-danger:focus,.btn-danger:active,.btn-danger.active,.open .dropdown-toggle.btn-danger{color:#fff;background-color:#d2322d;border-color:#ac2925}.btn-danger:active,.btn-danger.active,.open .dropdown-toggle.btn-danger{background-image:none}.btn-danger.disabled,.btn-danger[disabled],fieldset[disabled] .btn-danger,.btn-danger.disabled:hover,.btn-danger[disabled]:hover,fieldset[disabled] .btn-danger:hover,.btn-danger.disabled:focus,.btn-danger[disabled]:focus,fieldset[disabled] .btn-danger:focus,.btn-danger.disabled:active,.btn-danger[disabled]:active,fieldset[disabled] .btn-danger:active,.btn-danger.disabled.active,.btn-danger[disabled].active,fieldset[disabled] .btn-danger.active{background-color:#d9534f;border-color:#d43f3a}.btn-danger .badge{color:#d9534f;background-color:#fff}.btn-link{color:#428bca;font-weight:normal;cursor:pointer;border-radius:0}.btn-link,.btn-link:active,.btn-link[disabled],fieldset[disabled] .btn-link{background-color:transparent;-webkit-box-shadow:none;box-shadow:none}.btn-link,.btn-link:hover,.btn-link:focus,.btn-link:active{border-color:transparent}.btn-link:hover,.btn-link:focus{color:#2a6496;text-decoration:underline;background-color:transparent}.btn-link[disabled]:hover,fieldset[disabled] .btn-link:hover,.btn-link[disabled]:focus,fieldset[disabled] .btn-link:focus{color:#999;text-decoration:none}.btn-lg{padding:10px 16px;font-size:18px;line-height:1.33;border-radius:6px}.btn-sm{padding:5px 10px;font-size:12px;line-height:1.5;border-radius:3px}.btn-xs{padding:1px 5px;font-size:12px;line-height:1.5;border-radius:3px}.btn-block{display:block;width:100%;padding-left:0;padding-right:0}.btn-block+.btn-block{margin-top:5px}input[type="submit"].btn-block,input[type="reset"].btn-block,input[type="button"].btn-block{width:100%}
\ No newline at end of file
diff --git a/ethereal/assets/samplecoin/icon.png b/ethereal/assets/samplecoin/icon.png
deleted file mode 100644
index 73e0ceb75..000000000
--- a/ethereal/assets/samplecoin/icon.png
+++ /dev/null
diff --git a/ethereal/assets/samplecoin/samplecoin.css b/ethereal/assets/samplecoin/samplecoin.css
deleted file mode 100644
index bc4e7f53c..000000000
--- a/ethereal/assets/samplecoin/samplecoin.css
+++ /dev/null
@@ -1,34 +0,0 @@
-/* Space out content a bit */
-body {
-	padding-top: 20px;
-	padding-bottom: 20px;
-}
-
-/* Everything but the jumbotron gets side spacing for mobile first
- * views */
-.header,
-.marketing,
-.footer {
-	padding-right: 15px;
-	padding-left: 15px;
-}
-
-/* Custom page header */
-.header {
-	border-bottom: 1px solid #e5e5e5;
-}
-/* Make the masthead heading the same height as the navigation */
-.header h3 {
-	padding-bottom: 19px;
-	margin-top: 0;
-	margin-bottom: 0;
-	line-height: 40px;
-}
-
-.jumbotron {
-	text-align: center;
-	border-bottom: 1px solid #e5e5e5;
-
-	margin: 0 auto;
-	width: 300px;
-}
diff --git a/ethereal/assets/samplecoin/samplecoin.html b/ethereal/assets/samplecoin/samplecoin.html
deleted file mode 100644
index 7b63f78e4..000000000
--- a/ethereal/assets/samplecoin/samplecoin.html
+++ /dev/null
@@ -1,68 +0,0 @@
-<html>
-<head>
-<title>jeffcoin</title>
-
-<link rel="stylesheet" href="bootstrap.min.css">
-<link rel="stylesheet" href="bootstrap-theme.min.css">
-<link rel="stylesheet" href="samplecoin.css">
-<meta name="viewport" content="minimum-scale=1; maximum-scale=1; initial-scale=1;">
-
-<script type="text/javascript">
-
-var jefcoinAddr = "22fa3ebce6ef9ca661a960104d3087eec040011e"
-var mAddr = ""
-
-function createTransaction() {
-	var addr = ("0x" + document.querySelector("#addr").value).pad(32);
-	var amount = document.querySelector("#amount").value.pad(32);
-
-	var data = (addr + amount).unbin();
-	eth.transact(mAddr, jefcoinAddr, 0, "50000", "1000000", data, function(receipt) {
-		debug("received tx hash:", reciept.address)
-	})
-}
-
-function init() {
-	eth.getKey(function(sec) {
-		mAddr = sec;
-		eth.getSecretToAddress(sec, function(addr) {
-			eth.getStorageAt(jefcoinAddr, addr, function(storage) {
-				document.querySelector("#current-amount").innerHTML = storage;
-			});
-
-			eth.watch(jefcoinAddr, addr, function(addr, value) {
-				document.querySelector("#current-amount").innerHTML = value
-			});
-		});
-	});
-}
-
-</script>
-</head>
-
-<body onload="init();">
-<div class="container">
-	<div class="header">
-		<h3 class="text-muted">JeffCoin</h3>
-	</div>
-
-	<div class="jumbotron ">
-		<img src="icon.png">
-		<div>Amount: <strong id="current-amount"></strong></div>
-
-		<div id="transactions">
-			<div class="form-group">
-				<input id="addr" class="form-control" type="text" placeholder="Receiver address"></input><br>
-				<input id="amount" class="form-control" type="text" placeholder="Amount"></input><br>
-			</div>
-
-			<button class="btn btn-default" onclick="createTransaction();">Send Tx</button>
-		</div>
-	</div>
-</div>
-
-<div id="debug" style="border: 1px solid black; min-height: 30px;"></div>
-
-</body>
-</html>
-
diff --git a/ethereal/assets/tx.png b/ethereal/assets/tx.png
deleted file mode 100644
index 62204c315..000000000
--- a/ethereal/assets/tx.png
+++ /dev/null
diff --git a/ethereal/assets/util/test.html b/ethereal/assets/util/test.html
deleted file mode 100644
index d458e6670..000000000
--- a/ethereal/assets/util/test.html
+++ /dev/null
@@ -1,43 +0,0 @@
-<html>
-<head>
-<title>Utils</title>
-</head>
-<body onload="init();">
-<label>Nonce for 2ef47100e0787b915105fd5e3f4ff6752079d5cb</label>
-<p id="nonce"></p>
-
-<label>Connected peers</label>
-<p id="peers"></p>
-
-<label>Is mining</label>
-<p id="isMining"></p>
-
-<label>Is listening</label>
-<p id="isListen"></p>
-
-<label>Coinbase</label>
-<p id="coinbase"></p>
-
-<script type="text/javascript">
-
-function init() {
-	eth.getTxCountAt("2ef47100e0787b915105fd5e3f4ff6752079d5cb", function(nonce){
-			document.querySelector("#nonce").innerHTML = nonce;
-	})
-	eth.getPeerCount(function(peerLength){
-			document.querySelector("#peers").innerHTML = peerLength;
-	})
-	eth.getIsMining(function(mining){
-			document.querySelector("#isMining").innerHTML = mining;
-	})
-	eth.getIsListening(function(listen){
-			document.querySelector("#isListen").innerHTML = listen;
-	})
-	eth.getCoinBase(function(address){
-			document.querySelector("#coinbase").innerHTML = address;
-	})
-}
-</script>
-</body>
-</html>
-
diff --git a/ethereal/flags.go b/ethereal/flags.go
deleted file mode 100644
index 2c9b3af5f..000000000
--- a/ethereal/flags.go
+++ /dev/null
@@ -1,99 +0,0 @@
-package main
-
-import (
-	"bitbucket.org/kardianos/osext"
-	"flag"
-	"fmt"
-	"github.com/ethereum/eth-go/ethlog"
-	"os"
-	"os/user"
-	"path"
-	"path/filepath"
-	"runtime"
-)
-
-var Identifier string
-var KeyRing string
-var KeyStore string
-var StartRpc bool
-var RpcPort int
-var UseUPnP bool
-var OutboundPort string
-var ShowGenesis bool
-var AddPeer string
-var MaxPeer int
-var GenAddr bool
-var UseSeed bool
-var SecretFile string
-var ExportDir string
-var NonInteractive bool
-var Datadir string
-var LogFile string
-var ConfigFile string
-var DebugFile string
-var LogLevel int
-
-// flags specific to gui client
-var AssetPath string
-
-func defaultAssetPath() string {
-	var assetPath string
-	// If the current working directory is the go-ethereum dir
-	// assume a debug build and use the source directory as
-	// asset directory.
-	pwd, _ := os.Getwd()
-	if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal") {
-		assetPath = path.Join(pwd, "assets")
-	} else {
-		switch runtime.GOOS {
-		case "darwin":
-			// Get Binary Directory
-			exedir, _ := osext.ExecutableFolder()
-			assetPath = filepath.Join(exedir, "../Resources")
-		case "linux":
-			assetPath = "/usr/share/ethereal"
-		case "window":
-			fallthrough
-		default:
-			assetPath = "."
-		}
-	}
-	return assetPath
-}
-
-func defaultDataDir() string {
-	usr, _ := user.Current()
-	return path.Join(usr.HomeDir, ".ethereal")
-}
-
-var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini")
-
-func Init() {
-	flag.Usage = func() {
-		fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0])
-		flag.PrintDefaults()
-	}
-
-	flag.StringVar(&Identifier, "id", "", "Custom client identifier")
-	flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use")
-	flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)")
-	flag.StringVar(&OutboundPort, "port", "30303", "listening port")
-	flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
-	flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")
-	flag.IntVar(&RpcPort, "rpcport", 8080, "port to start json-rpc server on")
-	flag.BoolVar(&StartRpc, "rpc", false, "start rpc server")
-	flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)")
-	flag.BoolVar(&UseSeed, "seed", true, "seed peers")
-	flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
-	flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)")
-	flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given")
-	flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)")
-	flag.StringVar(&Datadir, "datadir", defaultDataDir(), "specifies the datadir to use")
-	flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
-	flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)")
-	flag.IntVar(&LogLevel, "loglevel", int(ethlog.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
-
-	flag.StringVar(&AssetPath, "asset_path", defaultAssetPath(), "absolute path to GUI assets directory")
-
-	flag.Parse()
-}
diff --git a/ethereal/main.go b/ethereal/main.go
deleted file mode 100644
index 82427f088..000000000
--- a/ethereal/main.go
+++ /dev/null
@@ -1,66 +0,0 @@
-package main
-
-import (
-	"github.com/ethereum/eth-go/ethlog"
-	"github.com/ethereum/go-ethereum/ethereal/ui"
-	"github.com/ethereum/go-ethereum/utils"
-	"github.com/go-qml/qml"
-	"os"
-	"runtime"
-)
-
-func main() {
-	// Leave QT on top at ALL times. Qt Needs to be initialized from the main thread
-	qml.Init(nil)
-
-	runtime.GOMAXPROCS(runtime.NumCPU())
-
-	var interrupted = false
-	utils.RegisterInterrupt(func(os.Signal) {
-		interrupted = true
-	})
-
-	utils.HandleInterrupt()
-
-	// precedence: code-internal flag default < config file < environment variables < command line
-	Init() // parsing command line
-	utils.InitConfig(ConfigFile, Datadir, Identifier, "ETH")
-
-	utils.InitDataDir(Datadir)
-
-	utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)
-
-	db := utils.NewDatabase()
-
-	keyManager := utils.NewKeyManager(KeyStore, Datadir, db)
-
-	// create, import, export keys
-	utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)
-
-	ethereum := utils.NewEthereum(db, keyManager, UseUPnP, OutboundPort, MaxPeer)
-
-	if ShowGenesis {
-		utils.ShowGenesis(ethereum)
-	}
-
-	if StartRpc {
-		utils.StartRpc(ethereum, RpcPort)
-	}
-
-	gui := ethui.New(ethereum, KeyRing, LogLevel)
-
-	utils.RegisterInterrupt(func(os.Signal) {
-		gui.Stop()
-	})
-	utils.StartEthereum(ethereum, UseSeed)
-	// gui blocks the main thread
-	gui.Start(AssetPath)
-	// we need to run the interrupt callbacks in case gui is closed
-	// this skips if we got here by actual interrupt stopping the GUI
-	if !interrupted {
-		utils.RunInterruptCallbacks(os.Interrupt)
-	}
-	// this blocks the thread
-	ethereum.WaitForShutdown()
-	ethlog.Flush()
-}
diff --git a/ethereal/ui/debugger.go b/ethereal/ui/debugger.go
deleted file mode 100644
index 5ad1b4a2c..000000000
--- a/ethereal/ui/debugger.go
+++ /dev/null
@@ -1,234 +0,0 @@
-package ethui
-
-import (
-	"fmt"
-	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/go-qml/qml"
-	"math/big"
-	"strings"
-)
-
-type DebuggerWindow struct {
-	win    *qml.Window
-	engine *qml.Engine
-	lib    *UiLib
-	Db     *Debugger
-}
-
-func NewDebuggerWindow(lib *UiLib) *DebuggerWindow {
-	engine := qml.NewEngine()
-	component, err := engine.LoadFile(lib.AssetPath("debugger/debugger.qml"))
-	if err != nil {
-		fmt.Println(err)
-
-		return nil
-	}
-
-	win := component.CreateWindow(nil)
-	db := &Debugger{win, make(chan bool), make(chan bool), true, false, true}
-
-	return &DebuggerWindow{engine: engine, win: win, lib: lib, Db: db}
-}
-
-func (self *DebuggerWindow) Show() {
-	context := self.engine.Context()
-	context.SetVar("dbg", self)
-
-	go func() {
-		self.win.Show()
-		self.win.Wait()
-	}()
-}
-
-func (self *DebuggerWindow) SetCode(code string) {
-	self.win.Set("codeText", code)
-}
-
-func (self *DebuggerWindow) SetData(data string) {
-	self.win.Set("dataText", data)
-}
-func (self *DebuggerWindow) SetAsm(data string) {
-	dis := ethchain.Disassemble(ethutil.Hex2Bytes(data))
-	for _, str := range dis {
-		self.win.Root().Call("setAsm", str)
-	}
-}
-
-func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
-	if !self.Db.done {
-		self.Db.Q <- true
-	}
-	self.Db.breakOnInstr = self.win.Root().ObjectByName("breakEachLine").Bool("checked")
-
-	defer func() {
-		if r := recover(); r != nil {
-			self.Logf("compile FAULT: %v", r)
-		}
-	}()
-
-	data := ethutil.StringToByteFunc(dataStr, func(s string) (ret []byte) {
-		slice := strings.Split(dataStr, "\n")
-		for _, dataItem := range slice {
-			d := ethutil.FormatData(dataItem)
-			ret = append(ret, d...)
-		}
-		return
-	})
-
-	var err error
-	script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
-		ret, err = ethutil.Compile(s)
-		return
-	})
-
-	if err != nil {
-		self.Logln(err)
-
-		return
-	}
-
-	dis := ethchain.Disassemble(script)
-	self.win.Root().Call("clearAsm")
-	self.win.Root().Call("clearLog")
-
-	for _, str := range dis {
-		self.win.Root().Call("setAsm", str)
-	}
-
-	var (
-		gas      = ethutil.Big(gasStr)
-		gasPrice = ethutil.Big(gasPriceStr)
-		value    = ethutil.Big(valueStr)
-		// Contract addr as test address
-		keyPair  = self.lib.eth.KeyManager().KeyPair()
-		callerTx = ethchain.NewContractCreationTx(ethutil.Big(valueStr), gas, gasPrice, script)
-	)
-	callerTx.Sign(keyPair.PrivateKey)
-
-	state := self.lib.eth.BlockChain().CurrentBlock.State()
-	account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
-	contract := ethchain.MakeContract(callerTx, state)
-	contract.Amount = value
-	callerClosure := ethchain.NewClosure(account, contract, script, state, gas, gasPrice)
-
-	block := self.lib.eth.BlockChain().CurrentBlock
-	vm := ethchain.NewVm(state, self.lib.eth.StateManager(), ethchain.RuntimeVars{
-		Block:       block,
-		Origin:      account.Address(),
-		BlockNumber: block.Number,
-		PrevHash:    block.PrevHash,
-		Coinbase:    block.Coinbase,
-		Time:        block.Time,
-		Diff:        block.Difficulty,
-		Value:       ethutil.Big(valueStr),
-	})
-	vm.Verbose = true
-
-	self.Db.done = false
-	self.Logf("callsize %d", len(script))
-	go func() {
-		ret, g, err := callerClosure.Call(vm, data, self.Db.halting)
-		tot := new(big.Int).Mul(g, gasPrice)
-		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
-		if err != nil {
-			self.Logln("exited with errors:", err)
-		} else {
-			if len(ret) > 0 {
-				self.Logf("exited: % x", ret)
-			} else {
-				self.Logf("exited: nil")
-			}
-		}
-
-		state.Reset()
-
-		if !self.Db.interrupt {
-			self.Db.done = true
-		} else {
-			self.Db.interrupt = false
-		}
-	}()
-}
-
-func (self *DebuggerWindow) Logf(format string, v ...interface{}) {
-	self.win.Root().Call("setLog", fmt.Sprintf(format, v...))
-}
-
-func (self *DebuggerWindow) Logln(v ...interface{}) {
-	str := fmt.Sprintln(v...)
-	self.Logf("%s", str[:len(str)-1])
-}
-
-func (self *DebuggerWindow) Next() {
-	self.Db.Next()
-}
-
-type Debugger struct {
-	win             *qml.Window
-	N               chan bool
-	Q               chan bool
-	done, interrupt bool
-	breakOnInstr    bool
-}
-
-type storeVal struct {
-	Key, Value string
-}
-
-func (d *Debugger) halting(pc int, op ethchain.OpCode, mem *ethchain.Memory, stack *ethchain.Stack, stateObject *ethchain.StateObject) bool {
-	d.win.Root().Call("setInstruction", pc)
-	d.win.Root().Call("clearMem")
-	d.win.Root().Call("clearStack")
-	d.win.Root().Call("clearStorage")
-
-	addr := 0
-	for i := 0; i+32 <= mem.Len(); i += 32 {
-		d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("% x", mem.Data()[i:i+32])})
-		addr++
-	}
-
-	for _, val := range stack.Data() {
-		d.win.Root().Call("setStack", val.String())
-	}
-
-	stateObject.State().EachStorage(func(key string, node *ethutil.Value) {
-		d.win.Root().Call("setStorage", storeVal{fmt.Sprintf("% x", key), fmt.Sprintf("% x", node.Str())})
-	})
-
-	if d.breakOnInstr {
-	out:
-		for {
-			select {
-			case <-d.N:
-				break out
-			case <-d.Q:
-				d.interrupt = true
-				d.clearBuffers()
-
-				return false
-			}
-		}
-	}
-
-	return true
-}
-
-func (d *Debugger) clearBuffers() {
-out:
-	// drain
-	for {
-		select {
-		case <-d.N:
-		case <-d.Q:
-		default:
-			break out
-		}
-	}
-}
-
-func (d *Debugger) Next() {
-	if !d.done {
-		d.N <- true
-	}
-}
diff --git a/ethereal/ui/ext_app.go b/ethereal/ui/ext_app.go
deleted file mode 100644
index 0230c46ab..000000000
--- a/ethereal/ui/ext_app.go
+++ /dev/null
@@ -1,132 +0,0 @@
-package ethui
-
-import (
-	"fmt"
-	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/go-qml/qml"
-)
-
-type AppContainer interface {
-	Create() error
-	Destroy()
-
-	Window() *qml.Window
-	Engine() *qml.Engine
-
-	NewBlock(*ethchain.Block)
-	ObjectChanged(*ethchain.StateObject)
-	StorageChanged(*ethchain.StorageState)
-	NewWatcher(chan bool)
-}
-
-type ExtApplication struct {
-	*ethpub.PEthereum
-
-	blockChan       chan ethutil.React
-	changeChan      chan ethutil.React
-	quitChan        chan bool
-	watcherQuitChan chan bool
-
-	container        AppContainer
-	lib              *UiLib
-	registeredEvents []string
-}
-
-func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
-	app := &ExtApplication{
-		ethpub.NewPEthereum(lib.eth),
-		make(chan ethutil.React, 1),
-		make(chan ethutil.React, 1),
-		make(chan bool),
-		make(chan bool),
-		container,
-		lib,
-		nil,
-	}
-
-	return app
-}
-
-func (app *ExtApplication) run() {
-	// Set the "eth" api on to the containers context
-	context := app.container.Engine().Context()
-	context.SetVar("eth", app)
-	context.SetVar("ui", app.lib)
-
-	err := app.container.Create()
-	if err != nil {
-		fmt.Println(err)
-
-		return
-	}
-
-	// Call the main loop
-	go app.mainLoop()
-
-	// Subscribe to events
-	reactor := app.lib.eth.Reactor()
-	reactor.Subscribe("newBlock", app.blockChan)
-
-	app.container.NewWatcher(app.watcherQuitChan)
-
-	win := app.container.Window()
-	win.Show()
-	win.Wait()
-
-	app.stop()
-}
-
-func (app *ExtApplication) stop() {
-	// Clean up
-	reactor := app.lib.eth.Reactor()
-	reactor.Unsubscribe("newBlock", app.blockChan)
-	for _, event := range app.registeredEvents {
-		reactor.Unsubscribe(event, app.changeChan)
-	}
-
-	// Kill the main loop
-	app.quitChan <- true
-	app.watcherQuitChan <- true
-
-	close(app.blockChan)
-	close(app.quitChan)
-	close(app.changeChan)
-
-	app.container.Destroy()
-}
-
-func (app *ExtApplication) mainLoop() {
-out:
-	for {
-		select {
-		case <-app.quitChan:
-			break out
-		case block := <-app.blockChan:
-			if block, ok := block.Resource.(*ethchain.Block); ok {
-				app.container.NewBlock(block)
-			}
-		case object := <-app.changeChan:
-			if stateObject, ok := object.Resource.(*ethchain.StateObject); ok {
-				app.container.ObjectChanged(stateObject)
-			} else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok {
-				app.container.StorageChanged(storageObject)
-			}
-		}
-	}
-
-}
-
-func (app *ExtApplication) Watch(addr, storageAddr string) {
-	var event string
-	if len(storageAddr) == 0 {
-		event = "object:" + string(ethutil.Hex2Bytes(addr))
-		app.lib.eth.Reactor().Subscribe(event, app.changeChan)
-	} else {
-		event = "storage:" + string(ethutil.Hex2Bytes(addr)) + ":" + string(ethutil.Hex2Bytes(storageAddr))
-		app.lib.eth.Reactor().Subscribe(event, app.changeChan)
-	}
-
-	app.registeredEvents = append(app.registeredEvents, event)
-}
diff --git a/ethereal/ui/gui.go b/ethereal/ui/gui.go
deleted file mode 100644
index d8c39e837..000000000
--- a/ethereal/ui/gui.go
+++ /dev/null
@@ -1,405 +0,0 @@
-package ethui
-
-import (
-	"bytes"
-	"fmt"
-	"github.com/ethereum/eth-go"
-	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethdb"
-	"github.com/ethereum/eth-go/ethlog"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/ethereum/go-ethereum/utils"
-	"github.com/go-qml/qml"
-	"math/big"
-	"strings"
-	"time"
-)
-
-var logger = ethlog.NewLogger("GUI")
-
-type Gui struct {
-	// The main application window
-	win *qml.Window
-	// QML Engine
-	engine    *qml.Engine
-	component *qml.Common
-	// The ethereum interface
-	eth *eth.Ethereum
-
-	// The public Ethereum library
-	uiLib *UiLib
-
-	txDb *ethdb.LDBDatabase
-
-	pub      *ethpub.PEthereum
-	logLevel ethlog.LogLevel
-	open     bool
-
-	Session string
-}
-
-// Create GUI, but doesn't start it
-func New(ethereum *eth.Ethereum, session string, logLevel int) *Gui {
-
-	db, err := ethdb.NewLDBDatabase("tx_database")
-	if err != nil {
-		panic(err)
-	}
-
-	pub := ethpub.NewPEthereum(ethereum)
-
-	return &Gui{eth: ethereum, txDb: db, pub: pub, logLevel: ethlog.LogLevel(logLevel), Session: session, open: false}
-}
-
-func (gui *Gui) Start(assetPath string) {
-	const version = "0.5.0 RC15"
-
-	defer gui.txDb.Close()
-
-	// Register ethereum functions
-	qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{
-		Init: func(p *ethpub.PBlock, obj qml.Object) { p.Number = 0; p.Hash = "" },
-	}, {
-		Init: func(p *ethpub.PTx, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
-	}, {
-		Init: func(p *ethpub.KeyVal, obj qml.Object) { p.Key = ""; p.Value = "" },
-	}})
-
-	ethutil.Config.SetClientString("Ethereal")
-
-	// Create a new QML engine
-	gui.engine = qml.NewEngine()
-	context := gui.engine.Context()
-
-	// Expose the eth library and the ui library to QML
-	context.SetVar("eth", gui)
-	context.SetVar("pub", gui.pub)
-	gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath)
-	context.SetVar("ui", gui.uiLib)
-
-	// Load the main QML interface
-	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
-
-	var win *qml.Window
-	var err error
-	var addlog = false
-	if len(data) == 0 {
-		win, err = gui.showKeyImport(context)
-	} else {
-		win, err = gui.showWallet(context)
-		addlog = true
-	}
-	if err != nil {
-		logger.Errorln("asset not found: you can set an alternative asset path on the command line using option 'asset_path'", err)
-
-		panic(err)
-	}
-
-	logger.Infoln("Starting GUI")
-	gui.open = true
-	win.Show()
-	// only add the gui logger after window is shown otherwise slider wont be shown
-	if addlog {
-		ethlog.AddLogSystem(gui)
-	}
-	win.Wait()
-	// need to silence gui logger after window closed otherwise logsystem hangs
-	gui.SetLogLevel(ethlog.Silence)
-	gui.open = false
-}
-
-func (gui *Gui) Stop() {
-	if gui.open {
-		gui.SetLogLevel(ethlog.Silence)
-		gui.open = false
-		gui.win.Hide()
-	}
-	logger.Infoln("Stopped")
-}
-
-func (gui *Gui) ToggleMining() {
-	var txt string
-	if gui.eth.Mining {
-		utils.StopMining(gui.eth)
-		txt = "Start mining"
-	} else {
-		utils.StartMining(gui.eth)
-		txt = "Stop mining"
-	}
-
-	gui.win.Root().Set("miningButtonText", txt)
-}
-
-func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
-	component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/wallet.qml"))
-	if err != nil {
-		return nil, err
-	}
-
-	win := gui.createWindow(component)
-
-	gui.setInitialBlockChain()
-	gui.loadAddressBook()
-	gui.readPreviousTransactions()
-	gui.setPeerInfo()
-
-	go gui.update()
-
-	return win, nil
-}
-
-func (gui *Gui) showKeyImport(context *qml.Context) (*qml.Window, error) {
-	context.SetVar("lib", gui)
-	component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/first_run.qml"))
-	if err != nil {
-		return nil, err
-	}
-	return gui.createWindow(component), nil
-}
-
-func (gui *Gui) createWindow(comp qml.Object) *qml.Window {
-	win := comp.CreateWindow(nil)
-
-	gui.win = win
-	gui.uiLib.win = win
-
-	return gui.win
-}
-
-func (gui *Gui) ImportAndSetPrivKey(secret string) bool {
-	err := gui.eth.KeyManager().InitFromString(gui.Session, 0, secret)
-	if err != nil {
-		logger.Errorln("unable to import: ", err)
-		return false
-	}
-	logger.Errorln("successfully imported: ", err)
-	return true
-}
-
-func (gui *Gui) CreateAndSetPrivKey() (string, string, string, string) {
-	err := gui.eth.KeyManager().Init(gui.Session, 0, true)
-	if err != nil {
-		logger.Errorln("unable to create key: ", err)
-		return "", "", "", ""
-	}
-	return gui.eth.KeyManager().KeyPair().AsStrings()
-}
-
-func (gui *Gui) setInitialBlockChain() {
-	sBlk := gui.eth.BlockChain().LastBlockHash
-	blk := gui.eth.BlockChain().GetBlock(sBlk)
-	for ; blk != nil; blk = gui.eth.BlockChain().GetBlock(sBlk) {
-		sBlk = blk.PrevHash
-		addr := gui.address()
-
-		// Loop through all transactions to see if we missed any while being offline
-		for _, tx := range blk.Transactions() {
-			if bytes.Compare(tx.Sender(), addr) == 0 || bytes.Compare(tx.Recipient, addr) == 0 {
-				if ok, _ := gui.txDb.Get(tx.Hash()); ok == nil {
-					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
-				}
-
-			}
-		}
-
-		gui.processBlock(blk, true)
-	}
-}
-
-type address struct {
-	Name, Address string
-}
-
-var namereg = ethutil.Hex2Bytes("bb5f186604d057c1c5240ca2ae0f6430138ac010")
-
-func (gui *Gui) loadAddressBook() {
-	gui.win.Root().Call("clearAddress")
-	stateObject := gui.eth.StateManager().CurrentState().GetStateObject(namereg)
-	if stateObject != nil {
-		stateObject.State().EachStorage(func(name string, value *ethutil.Value) {
-			gui.win.Root().Call("addAddress", struct{ Name, Address string }{name, ethutil.Bytes2Hex(value.Bytes())})
-		})
-	}
-}
-
-func (gui *Gui) readPreviousTransactions() {
-	it := gui.txDb.Db().NewIterator(nil, nil)
-	addr := gui.address()
-	for it.Next() {
-		tx := ethchain.NewTransactionFromBytes(it.Value())
-
-		var inout string
-		if bytes.Compare(tx.Sender(), addr) == 0 {
-			inout = "send"
-		} else {
-			inout = "recv"
-		}
-
-		gui.win.Root().Call("addTx", ethpub.NewPTx(tx), inout)
-
-	}
-	it.Release()
-}
-
-func (gui *Gui) processBlock(block *ethchain.Block, initial bool) {
-	gui.win.Root().Call("addBlock", ethpub.NewPBlock(block), initial)
-}
-
-func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
-	var str string
-	if unconfirmedFunds != nil {
-		pos := "+"
-		if unconfirmedFunds.Cmp(big.NewInt(0)) < 0 {
-			pos = "-"
-		}
-		val := ethutil.CurrencyToString(new(big.Int).Abs(ethutil.BigCopy(unconfirmedFunds)))
-		str = fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(amount), pos, val)
-	} else {
-		str = fmt.Sprintf("%v", ethutil.CurrencyToString(amount))
-	}
-
-	gui.win.Root().Call("setWalletValue", str)
-}
-
-// Simple go routine function that updates the list of peers in the GUI
-func (gui *Gui) update() {
-	reactor := gui.eth.Reactor()
-
-	blockChan := make(chan ethutil.React, 1)
-	txChan := make(chan ethutil.React, 1)
-	objectChan := make(chan ethutil.React, 1)
-	peerChan := make(chan ethutil.React, 1)
-
-	reactor.Subscribe("newBlock", blockChan)
-	reactor.Subscribe("newTx:pre", txChan)
-	reactor.Subscribe("newTx:post", txChan)
-	reactor.Subscribe("object:"+string(namereg), objectChan)
-	reactor.Subscribe("peerList", peerChan)
-
-	ticker := time.NewTicker(5 * time.Second)
-
-	state := gui.eth.StateManager().TransState()
-
-	unconfirmedFunds := new(big.Int)
-	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Amount)))
-
-	for {
-		select {
-		case b := <-blockChan:
-			block := b.Resource.(*ethchain.Block)
-			gui.processBlock(block, false)
-			if bytes.Compare(block.Coinbase, gui.address()) == 0 {
-				gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Amount, nil)
-			}
-
-		case txMsg := <-txChan:
-			tx := txMsg.Resource.(*ethchain.Transaction)
-
-			if txMsg.Event == "newTx:pre" {
-				object := state.GetAccount(gui.address())
-
-				if bytes.Compare(tx.Sender(), gui.address()) == 0 {
-					gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "send")
-					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
-
-					unconfirmedFunds.Sub(unconfirmedFunds, tx.Value)
-				} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
-					gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "recv")
-					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
-
-					unconfirmedFunds.Add(unconfirmedFunds, tx.Value)
-				}
-
-				gui.setWalletValue(object.Amount, unconfirmedFunds)
-			} else {
-				object := state.GetAccount(gui.address())
-				if bytes.Compare(tx.Sender(), gui.address()) == 0 {
-					object.SubAmount(tx.Value)
-				} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
-					object.AddAmount(tx.Value)
-				}
-
-				gui.setWalletValue(object.Amount, nil)
-
-				state.UpdateStateObject(object)
-			}
-		case <-objectChan:
-			gui.loadAddressBook()
-		case <-peerChan:
-			gui.setPeerInfo()
-		case <-ticker.C:
-			gui.setPeerInfo()
-		}
-	}
-}
-
-func (gui *Gui) setPeerInfo() {
-	gui.win.Root().Call("setPeers", fmt.Sprintf("%d / %d", gui.eth.PeerCount(), gui.eth.MaxPeers))
-
-	gui.win.Root().Call("resetPeers")
-	for _, peer := range gui.pub.GetPeers() {
-		gui.win.Root().Call("addPeer", peer)
-	}
-}
-
-func (gui *Gui) privateKey() string {
-	return ethutil.Bytes2Hex(gui.eth.KeyManager().PrivateKey())
-}
-
-func (gui *Gui) address() []byte {
-	return gui.eth.KeyManager().Address()
-}
-
-func (gui *Gui) RegisterName(name string) {
-	name = fmt.Sprintf("\"%s\"\n1", name)
-	gui.pub.Transact(gui.privateKey(), "namereg", "1000", "1000000", "150", name)
-}
-
-func (gui *Gui) Transact(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
-	return gui.pub.Transact(gui.privateKey(), recipient, value, gas, gasPrice, data)
-}
-
-func (gui *Gui) Create(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
-	return gui.pub.Transact(gui.privateKey(), recipient, value, gas, gasPrice, data)
-}
-
-func (gui *Gui) ChangeClientId(id string) {
-	ethutil.Config.SetIdentifier(id)
-}
-
-func (gui *Gui) ClientId() string {
-	return ethutil.Config.Identifier
-}
-
-// functions that allow Gui to implement interface ethlog.LogSystem
-func (gui *Gui) SetLogLevel(level ethlog.LogLevel) {
-	gui.logLevel = level
-}
-
-func (gui *Gui) GetLogLevel() ethlog.LogLevel {
-	return gui.logLevel
-}
-
-// this extra function needed to give int typecast value to gui widget
-// that sets initial loglevel to default
-func (gui *Gui) GetLogLevelInt() int {
-	return int(gui.logLevel)
-}
-
-func (gui *Gui) Println(v ...interface{}) {
-	gui.printLog(fmt.Sprintln(v...))
-}
-
-func (gui *Gui) Printf(format string, v ...interface{}) {
-	gui.printLog(fmt.Sprintf(format, v...))
-}
-
-// Print function that logs directly to the GUI
-func (gui *Gui) printLog(s string) {
-	str := strings.TrimRight(s, "\n")
-	lines := strings.Split(str, "\n")
-	for _, line := range lines {
-		gui.win.Root().Call("addLog", line)
-	}
-}
diff --git a/ethereal/ui/html_container.go b/ethereal/ui/html_container.go
deleted file mode 100644
index f2ebd840c..000000000
--- a/ethereal/ui/html_container.go
+++ /dev/null
@@ -1,133 +0,0 @@
-package ethui
-
-import (
-	"errors"
-	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/go-qml/qml"
-	"github.com/howeyc/fsnotify"
-	"io/ioutil"
-	"log"
-	"net/url"
-	"os"
-	"path"
-	"path/filepath"
-)
-
-type HtmlApplication struct {
-	win     *qml.Window
-	webView qml.Object
-	engine  *qml.Engine
-	lib     *UiLib
-	path    string
-	watcher *fsnotify.Watcher
-}
-
-func NewHtmlApplication(path string, lib *UiLib) *HtmlApplication {
-	engine := qml.NewEngine()
-
-	return &HtmlApplication{engine: engine, lib: lib, path: path}
-
-}
-
-func (app *HtmlApplication) Create() error {
-	component, err := app.engine.LoadFile(app.lib.AssetPath("qml/webapp.qml"))
-	if err != nil {
-		return err
-	}
-
-	if filepath.Ext(app.path) == "eth" {
-		return errors.New("Ethereum package not yet supported")
-
-		// TODO
-		ethutil.OpenPackage(app.path)
-	}
-
-	win := component.CreateWindow(nil)
-	win.Set("url", app.path)
-	webView := win.ObjectByName("webView")
-
-	app.win = win
-	app.webView = webView
-
-	return nil
-}
-
-func (app *HtmlApplication) RootFolder() string {
-	folder, err := url.Parse(app.path)
-	if err != nil {
-		return ""
-	}
-	return path.Dir(folder.RequestURI())
-}
-func (app *HtmlApplication) RecursiveFolders() []os.FileInfo {
-	files, _ := ioutil.ReadDir(app.RootFolder())
-	var folders []os.FileInfo
-	for _, file := range files {
-		if file.IsDir() {
-			folders = append(folders, file)
-		}
-	}
-	return folders
-}
-
-func (app *HtmlApplication) NewWatcher(quitChan chan bool) {
-	var err error
-
-	app.watcher, err = fsnotify.NewWatcher()
-	if err != nil {
-		return
-	}
-	err = app.watcher.Watch(app.RootFolder())
-	if err != nil {
-		log.Fatal(err)
-	}
-	for _, folder := range app.RecursiveFolders() {
-		fullPath := app.RootFolder() + "/" + folder.Name()
-		app.watcher.Watch(fullPath)
-	}
-
-	go func() {
-	out:
-		for {
-			select {
-			case <-quitChan:
-				app.watcher.Close()
-				break out
-			case <-app.watcher.Event:
-				//logger.Debugln("Got event:", ev)
-				app.webView.Call("reload")
-			case err := <-app.watcher.Error:
-				// TODO: Do something here
-				logger.Infoln("Watcher error:", err)
-			}
-		}
-	}()
-
-}
-
-func (app *HtmlApplication) Engine() *qml.Engine {
-	return app.engine
-}
-
-func (app *HtmlApplication) Window() *qml.Window {
-	return app.win
-}
-
-func (app *HtmlApplication) NewBlock(block *ethchain.Block) {
-	b := &ethpub.PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Bytes2Hex(block.Hash())}
-	app.webView.Call("onNewBlockCb", b)
-}
-
-func (app *HtmlApplication) ObjectChanged(stateObject *ethchain.StateObject) {
-	app.webView.Call("onObjectChangeCb", ethpub.NewPStateObject(stateObject))
-}
-
-func (app *HtmlApplication) StorageChanged(storageObject *ethchain.StorageState) {
-	app.webView.Call("onStorageChangeCb", ethpub.NewPStorageState(storageObject))
-}
-
-func (app *HtmlApplication) Destroy() {
-	app.engine.Destroy()
-}
diff --git a/ethereal/ui/qml_app.go b/ethereal/ui/qml_app.go
deleted file mode 100644
index d23fdd110..000000000
--- a/ethereal/ui/qml_app.go
+++ /dev/null
@@ -1,59 +0,0 @@
-package ethui
-
-import (
-	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/go-qml/qml"
-)
-
-type QmlApplication struct {
-	win    *qml.Window
-	engine *qml.Engine
-	lib    *UiLib
-	path   string
-}
-
-func NewQmlApplication(path string, lib *UiLib) *QmlApplication {
-	engine := qml.NewEngine()
-	return &QmlApplication{engine: engine, path: path, lib: lib}
-}
-
-func (app *QmlApplication) Create() error {
-	component, err := app.engine.LoadFile(app.path)
-	if err != nil {
-		logger.Warnln(err)
-	}
-	app.win = component.CreateWindow(nil)
-
-	return nil
-}
-
-func (app *QmlApplication) Destroy() {
-	app.engine.Destroy()
-}
-
-func (app *QmlApplication) NewWatcher(quitChan chan bool) {
-}
-
-// Events
-func (app *QmlApplication) NewBlock(block *ethchain.Block) {
-	pblock := &ethpub.PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Bytes2Hex(block.Hash())}
-	app.win.Call("onNewBlockCb", pblock)
-}
-
-func (app *QmlApplication) ObjectChanged(stateObject *ethchain.StateObject) {
-	app.win.Call("onObjectChangeCb", ethpub.NewPStateObject(stateObject))
-}
-
-func (app *QmlApplication) StorageChanged(storageObject *ethchain.StorageState) {
-	app.win.Call("onStorageChangeCb", ethpub.NewPStorageState(storageObject))
-}
-
-// Getters
-func (app *QmlApplication) Engine() *qml.Engine {
-	return app.engine
-}
-func (app *QmlApplication) Window() *qml.Window {
-	return app.win
-}
diff --git a/ethereal/ui/ui_lib.go b/ethereal/ui/ui_lib.go
deleted file mode 100644
index 892c1f065..000000000
--- a/ethereal/ui/ui_lib.go
+++ /dev/null
@@ -1,100 +0,0 @@
-package ethui
-
-import (
-	"github.com/ethereum/eth-go"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/go-qml/qml"
-	"path"
-)
-
-type memAddr struct {
-	Num   string
-	Value string
-}
-
-// UI Library that has some basic functionality exposed
-type UiLib struct {
-	engine    *qml.Engine
-	eth       *eth.Ethereum
-	connected bool
-	assetPath string
-	// The main application window
-	win      *qml.Window
-	Db       *Debugger
-	DbWindow *DebuggerWindow
-}
-
-func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
-	return &UiLib{engine: engine, eth: eth, assetPath: assetPath}
-}
-
-func (ui *UiLib) OpenQml(path string) {
-	container := NewQmlApplication(path[7:], ui)
-	app := NewExtApplication(container, ui)
-
-	go app.run()
-}
-
-func (ui *UiLib) OpenHtml(path string) {
-	container := NewHtmlApplication(path, ui)
-	app := NewExtApplication(container, ui)
-
-	go app.run()
-}
-
-func (ui *UiLib) Muted(content string) {
-	component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
-	if err != nil {
-		logger.Debugln(err)
-
-		return
-	}
-	win := component.CreateWindow(nil)
-	go func() {
-		path := "file://" + ui.AssetPath("muted/index.html")
-		win.Set("url", path)
-
-		win.Show()
-		win.Wait()
-	}()
-}
-
-func (ui *UiLib) Connect(button qml.Object) {
-	if !ui.connected {
-		ui.eth.Start(true)
-		ui.connected = true
-		button.Set("enabled", false)
-	}
-}
-
-func (ui *UiLib) ConnectToPeer(addr string) {
-	ui.eth.ConnectToPeer(addr)
-}
-
-func (ui *UiLib) AssetPath(p string) string {
-	return path.Join(ui.assetPath, p)
-}
-
-func (self *UiLib) StartDbWithContractAndData(contractHash, data string) {
-	dbWindow := NewDebuggerWindow(self)
-	object := self.eth.StateManager().CurrentState().GetStateObject(ethutil.Hex2Bytes(contractHash))
-	if len(object.Script()) > 0 {
-		dbWindow.SetCode("0x" + ethutil.Bytes2Hex(object.Script()))
-	}
-	dbWindow.SetData("0x" + data)
-
-	dbWindow.Show()
-}
-
-func (self *UiLib) StartDbWithCode(code string) {
-	dbWindow := NewDebuggerWindow(self)
-	dbWindow.SetCode("0x" + code)
-	dbWindow.Show()
-}
-
-func (self *UiLib) StartDebugger() {
-	dbWindow := NewDebuggerWindow(self)
-	//self.DbWindow = dbWindow
-
-	dbWindow.Show()
-}
diff --git a/ethereum/cmd.go b/ethereum/cmd.go
deleted file mode 100644
index 08147824d..000000000
--- a/ethereum/cmd.go
+++ /dev/null
@@ -1,32 +0,0 @@
-package main
-
-import (
-	"github.com/ethereum/eth-go"
-	"github.com/ethereum/go-ethereum/utils"
-	"io/ioutil"
-	"os"
-)
-
-func InitJsConsole(ethereum *eth.Ethereum) {
-	repl := NewJSRepl(ethereum)
-	go repl.Start()
-	utils.RegisterInterrupt(func(os.Signal) {
-		repl.Stop()
-	})
-}
-
-func ExecJsFile(ethereum *eth.Ethereum, InputFile string) {
-	file, err := os.Open(InputFile)
-	if err != nil {
-		logger.Fatalln(err)
-	}
-	content, err := ioutil.ReadAll(file)
-	if err != nil {
-		logger.Fatalln(err)
-	}
-	re := NewJSRE(ethereum)
-	utils.RegisterInterrupt(func(os.Signal) {
-		re.Stop()
-	})
-	re.Run(string(content))
-}
diff --git a/ethereum/flags.go b/ethereum/flags.go
deleted file mode 100644
index d5a9c3a8a..000000000
--- a/ethereum/flags.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"github.com/ethereum/eth-go/ethlog"
-	"os"
-	"os/user"
-	"path"
-)
-
-var Identifier string
-var KeyRing string
-var KeyStore string
-var StartRpc bool
-var RpcPort int
-var UseUPnP bool
-var OutboundPort string
-var ShowGenesis bool
-var AddPeer string
-var MaxPeer int
-var GenAddr bool
-var UseSeed bool
-var SecretFile string
-var ExportDir string
-var NonInteractive bool
-var Datadir string
-var LogFile string
-var ConfigFile string
-var DebugFile string
-var LogLevel int
-
-// flags specific to cli client
-var StartMining bool
-var StartJsConsole bool
-var InputFile string
-
-func defaultDataDir() string {
-	usr, _ := user.Current()
-	return path.Join(usr.HomeDir, ".ethereum")
-}
-
-var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini")
-
-func Init() {
-	flag.Usage = func() {
-		fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0])
-		flag.PrintDefaults()
-	}
-
-	flag.StringVar(&Identifier, "id", "", "Custom client identifier")
-	flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use")
-	flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)")
-	flag.StringVar(&OutboundPort, "port", "30303", "listening port")
-	flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
-	flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")
-	flag.IntVar(&RpcPort, "rpcport", 8080, "port to start json-rpc server on")
-	flag.BoolVar(&StartRpc, "rpc", false, "start rpc server")
-	flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)")
-	flag.BoolVar(&UseSeed, "seed", true, "seed peers")
-	flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
-	flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)")
-	flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given")
-	flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)")
-	flag.StringVar(&Datadir, "datadir", defaultDataDir(), "specifies the datadir to use")
-	flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
-	flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)")
-	flag.IntVar(&LogLevel, "loglevel", int(ethlog.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
-
-	flag.BoolVar(&StartMining, "mine", false, "start dagger mining")
-	flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console")
-
-	flag.Parse()
-
-	InputFile = flag.Arg(0)
-}
diff --git a/ethereum/javascript_runtime.go b/ethereum/javascript_runtime.go
deleted file mode 100644
index 852a50487..000000000
--- a/ethereum/javascript_runtime.go
+++ /dev/null
@@ -1,231 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"github.com/ethereum/eth-go"
-	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethlog"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/ethereum/go-ethereum/utils"
-	"github.com/obscuren/otto"
-	"io/ioutil"
-	"os"
-	"path"
-	"path/filepath"
-)
-
-var jsrelogger = ethlog.NewLogger("JSRE")
-
-type JSRE struct {
-	ethereum *eth.Ethereum
-	vm       *otto.Otto
-	lib      *ethpub.PEthereum
-
-	blockChan  chan ethutil.React
-	changeChan chan ethutil.React
-	quitChan   chan bool
-
-	objectCb map[string][]otto.Value
-}
-
-func (jsre *JSRE) LoadExtFile(path string) {
-	result, err := ioutil.ReadFile(path)
-	if err == nil {
-		jsre.vm.Run(result)
-	} else {
-		jsrelogger.Debugln("Could not load file:", path)
-	}
-}
-
-func (jsre *JSRE) LoadIntFile(file string) {
-	assetPath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal", "assets", "ext")
-	jsre.LoadExtFile(path.Join(assetPath, file))
-}
-
-func NewJSRE(ethereum *eth.Ethereum) *JSRE {
-	re := &JSRE{
-		ethereum,
-		otto.New(),
-		ethpub.NewPEthereum(ethereum),
-		make(chan ethutil.React, 1),
-		make(chan ethutil.React, 1),
-		make(chan bool),
-		make(map[string][]otto.Value),
-	}
-
-	// Init the JS lib
-	re.vm.Run(jsLib)
-
-	// Load extra javascript files
-	re.LoadIntFile("string.js")
-	re.LoadIntFile("big.js")
-
-	// We have to make sure that, whoever calls this, calls "Stop"
-	go re.mainLoop()
-
-	re.Bind("eth", &JSEthereum{re.lib, re.vm})
-
-	re.initStdFuncs()
-
-	jsrelogger.Infoln("started")
-
-	return re
-}
-
-func (self *JSRE) Bind(name string, v interface{}) {
-	self.vm.Set(name, v)
-}
-
-func (self *JSRE) Run(code string) (otto.Value, error) {
-	return self.vm.Run(code)
-}
-
-func (self *JSRE) Require(file string) error {
-	if len(filepath.Ext(file)) == 0 {
-		file += ".js"
-	}
-
-	fh, err := os.Open(file)
-	if err != nil {
-		return err
-	}
-
-	content, _ := ioutil.ReadAll(fh)
-	self.Run("exports = {};(function() {" + string(content) + "})();")
-
-	return nil
-}
-
-func (self *JSRE) Stop() {
-	// Kill the main loop
-	self.quitChan <- true
-
-	close(self.blockChan)
-	close(self.quitChan)
-	close(self.changeChan)
-	jsrelogger.Infoln("stopped")
-}
-
-func (self *JSRE) mainLoop() {
-	// Subscribe to events
-	reactor := self.ethereum.Reactor()
-	reactor.Subscribe("newBlock", self.blockChan)
-
-out:
-	for {
-		select {
-		case <-self.quitChan:
-			break out
-		case block := <-self.blockChan:
-			if _, ok := block.Resource.(*ethchain.Block); ok {
-			}
-		case object := <-self.changeChan:
-			if stateObject, ok := object.Resource.(*ethchain.StateObject); ok {
-				for _, cb := range self.objectCb[ethutil.Bytes2Hex(stateObject.Address())] {
-					val, _ := self.vm.ToValue(ethpub.NewPStateObject(stateObject))
-					cb.Call(cb, val)
-				}
-			} else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok {
-				for _, cb := range self.objectCb[ethutil.Bytes2Hex(storageObject.StateAddress)+ethutil.Bytes2Hex(storageObject.Address)] {
-					val, _ := self.vm.ToValue(ethpub.NewPStorageState(storageObject))
-					cb.Call(cb, val)
-				}
-			}
-		}
-	}
-}
-
-func (self *JSRE) initStdFuncs() {
-	t, _ := self.vm.Get("eth")
-	eth := t.Object()
-	eth.Set("watch", self.watch)
-	eth.Set("addPeer", self.addPeer)
-	eth.Set("require", self.require)
-	eth.Set("stopMining", self.stopMining)
-	eth.Set("startMining", self.startMining)
-	eth.Set("execBlock", self.execBlock)
-}
-
-/*
- * The following methods are natively implemented javascript functions
- */
-
-func (self *JSRE) stopMining(call otto.FunctionCall) otto.Value {
-	v, _ := self.vm.ToValue(utils.StopMining(self.ethereum))
-	return v
-}
-
-func (self *JSRE) startMining(call otto.FunctionCall) otto.Value {
-	v, _ := self.vm.ToValue(utils.StartMining(self.ethereum))
-	return v
-}
-
-// eth.watch
-func (self *JSRE) watch(call otto.FunctionCall) otto.Value {
-	addr, _ := call.Argument(0).ToString()
-	var storageAddr string
-	var cb otto.Value
-	var storageCallback bool
-	if len(call.ArgumentList) > 2 {
-		storageCallback = true
-		storageAddr, _ = call.Argument(1).ToString()
-		cb = call.Argument(2)
-	} else {
-		cb = call.Argument(1)
-	}
-
-	if storageCallback {
-		self.objectCb[addr+storageAddr] = append(self.objectCb[addr+storageAddr], cb)
-
-		event := "storage:" + string(ethutil.Hex2Bytes(addr)) + ":" + string(ethutil.Hex2Bytes(storageAddr))
-		self.ethereum.Reactor().Subscribe(event, self.changeChan)
-	} else {
-		self.objectCb[addr] = append(self.objectCb[addr], cb)
-
-		event := "object:" + string(ethutil.Hex2Bytes(addr))
-		self.ethereum.Reactor().Subscribe(event, self.changeChan)
-	}
-
-	return otto.UndefinedValue()
-}
-
-func (self *JSRE) addPeer(call otto.FunctionCall) otto.Value {
-	host, err := call.Argument(0).ToString()
-	if err != nil {
-		return otto.FalseValue()
-	}
-	self.ethereum.ConnectToPeer(host)
-
-	return otto.TrueValue()
-}
-
-func (self *JSRE) require(call otto.FunctionCall) otto.Value {
-	file, err := call.Argument(0).ToString()
-	if err != nil {
-		return otto.UndefinedValue()
-	}
-	if err := self.Require(file); err != nil {
-		fmt.Println("err:", err)
-		return otto.UndefinedValue()
-	}
-
-	t, _ := self.vm.Get("exports")
-
-	return t
-}
-
-func (self *JSRE) execBlock(call otto.FunctionCall) otto.Value {
-	hash, err := call.Argument(0).ToString()
-	if err != nil {
-		return otto.UndefinedValue()
-	}
-
-	err = utils.BlockDo(self.ethereum, ethutil.Hex2Bytes(hash))
-	if err != nil {
-		fmt.Println(err)
-		return otto.FalseValue()
-	}
-
-	return otto.TrueValue()
-}
diff --git a/ethereum/js_lib.go b/ethereum/js_lib.go
deleted file mode 100644
index 189dcc3a0..000000000
--- a/ethereum/js_lib.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package main
-
-const jsLib = `
-function pp(object) {
-    var str = "";
-
-    if(object instanceof Array) {
-        str += "[ ";
-        for(var i = 0, l = object.length; i < l; i++) {
-            str += pp(object[i]);
-
-            if(i < l-1) {
-                str += ", ";
-            }
-        }
-        str += " ]";
-    } else if(typeof(object) === "object") {
-        str += "{ ";
-        var last = Object.keys(object).sort().pop()
-        for(var k in object) {
-            str += k + ": " + pp(object[k]);
-
-            if(k !== last) {
-                str += ", ";
-            }
-        }
-        str += " }";
-    } else if(typeof(object) === "string") {
-        str += "\033[32m'" + object + "'";
-    } else if(typeof(object) === "undefined") {
-        str += "\033[1m\033[30m" + object;
-    } else if(typeof(object) === "number") {
-        str += "\033[31m" + object;
-    } else if(typeof(object) === "function") {
-	str += "\033[35m[Function]";
-    } else {
-        str += object;                    
-    }
-
-    str += "\033[0m";
-
-    return str;
-}
-
-function prettyPrint(/* */) {
-    var args = arguments;
-    for(var i = 0, l = args.length; i < l; i++) {
-	    console.log(pp(args[i]))
-    }
-}
-
-var print = prettyPrint;
-`
diff --git a/ethereum/main.go b/ethereum/main.go
deleted file mode 100644
index 1531871cb..000000000
--- a/ethereum/main.go
+++ /dev/null
@@ -1,57 +0,0 @@
-package main
-
-import (
-	"github.com/ethereum/eth-go/ethlog"
-	"github.com/ethereum/go-ethereum/utils"
-	"runtime"
-)
-
-var logger = ethlog.NewLogger("CLI")
-
-func main() {
-	runtime.GOMAXPROCS(runtime.NumCPU())
-
-	utils.HandleInterrupt()
-
-	// precedence: code-internal flag default < config file < environment variables < command line
-	Init() // parsing command line
-	utils.InitConfig(ConfigFile, Datadir, Identifier, "ETH")
-
-	utils.InitDataDir(Datadir)
-
-	utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)
-
-	db := utils.NewDatabase()
-
-	keyManager := utils.NewKeyManager(KeyStore, Datadir, db)
-
-	// create, import, export keys
-	utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)
-
-	ethereum := utils.NewEthereum(db, keyManager, UseUPnP, OutboundPort, MaxPeer)
-
-	if ShowGenesis {
-		utils.ShowGenesis(ethereum)
-	}
-
-	if StartMining {
-		utils.StartMining(ethereum)
-	}
-
-	// better reworked as cases
-	if StartJsConsole {
-		InitJsConsole(ethereum)
-	} else if len(InputFile) > 0 {
-		ExecJsFile(ethereum, InputFile)
-	}
-
-	if StartRpc {
-		utils.StartRpc(ethereum, RpcPort)
-	}
-
-	utils.StartEthereum(ethereum, UseSeed)
-
-	// this blocks the thread
-	ethereum.WaitForShutdown()
-	ethlog.Flush()
-}
diff --git a/ethereum/repl.go b/ethereum/repl.go
deleted file mode 100644
index 34380a06f..000000000
--- a/ethereum/repl.go
+++ /dev/null
@@ -1,153 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"github.com/ethereum/eth-go"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethutil"
-	"github.com/obscuren/otto"
-	"io"
-	"os"
-	"path"
-)
-
-type Repl interface {
-	Start()
-	Stop()
-}
-
-type JSRepl struct {
-	re *JSRE
-
-	prompt string
-
-	history *os.File
-
-	running bool
-}
-
-func NewJSRepl(ethereum *eth.Ethereum) *JSRepl {
-	hist, err := os.OpenFile(path.Join(ethutil.Config.ExecPath, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
-	if err != nil {
-		panic(err)
-	}
-
-	return &JSRepl{re: NewJSRE(ethereum), prompt: "> ", history: hist}
-}
-
-func (self *JSRepl) Start() {
-	if !self.running {
-		self.running = true
-		logger.Infoln("init JS Console")
-		reader := bufio.NewReader(self.history)
-		for {
-			line, err := reader.ReadString('\n')
-			if err != nil && err == io.EOF {
-				break
-			} else if err != nil {
-				fmt.Println("error reading history", err)
-				break
-			}
-
-			addHistory(line[:len(line)-1])
-		}
-		self.read()
-	}
-}
-
-func (self *JSRepl) Stop() {
-	if self.running {
-		self.running = false
-		self.re.Stop()
-		logger.Infoln("exit JS Console")
-		self.history.Close()
-	}
-}
-
-func (self *JSRepl) parseInput(code string) {
-	defer func() {
-		if r := recover(); r != nil {
-			fmt.Println("[native] error", r)
-		}
-	}()
-
-	value, err := self.re.Run(code)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	self.PrintValue(value)
-}
-
-// The JSEthereum object attempts to wrap the PEthereum object and returns
-// meaningful javascript objects
-type JSBlock struct {
-	*ethpub.PBlock
-	eth *JSEthereum
-}
-
-func (self *JSBlock) GetTransaction(hash string) otto.Value {
-	return self.eth.toVal(self.PBlock.GetTransaction(hash))
-}
-
-type JSEthereum struct {
-	*ethpub.PEthereum
-	vm *otto.Otto
-}
-
-func (self *JSEthereum) GetBlock(hash string) otto.Value {
-	return self.toVal(&JSBlock{self.PEthereum.GetBlock(hash), self})
-}
-
-func (self *JSEthereum) GetPeers() otto.Value {
-	return self.toVal(self.PEthereum.GetPeers())
-}
-
-func (self *JSEthereum) GetKey() otto.Value {
-	return self.toVal(self.PEthereum.GetKey())
-}
-
-func (self *JSEthereum) GetStateObject(addr string) otto.Value {
-	return self.toVal(self.PEthereum.GetStateObject(addr))
-}
-
-func (self *JSEthereum) GetStateKeyVals(addr string) otto.Value {
-	return self.toVal(self.PEthereum.GetStateObject(addr).StateKeyVal(false))
-}
-
-func (self *JSEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
-	r, err := self.PEthereum.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
-	if err != nil {
-		fmt.Println(err)
-
-		return otto.UndefinedValue()
-	}
-
-	return self.toVal(r)
-}
-
-func (self *JSEthereum) Create(key, valueStr, gasStr, gasPriceStr, scriptStr string) otto.Value {
-	r, err := self.PEthereum.Create(key, valueStr, gasStr, gasPriceStr, scriptStr)
-
-	if err != nil {
-		fmt.Println(err)
-
-		return otto.UndefinedValue()
-	}
-
-	return self.toVal(r)
-}
-
-func (self *JSEthereum) toVal(v interface{}) otto.Value {
-	result, err := self.vm.ToValue(v)
-
-	if err != nil {
-		fmt.Println("Value unknown:", err)
-
-		return otto.UndefinedValue()
-	}
-
-	return result
-}
diff --git a/ethereum/repl_darwin.go b/ethereum/repl_darwin.go
deleted file mode 100644
index 62b40059a..000000000
--- a/ethereum/repl_darwin.go
+++ /dev/null
@@ -1,123 +0,0 @@
-package main
-
-// #cgo darwin CFLAGS: -I/usr/local/opt/readline/include
-// #cgo darwin LDFLAGS: -L/usr/local/opt/readline/lib
-// #cgo LDFLAGS: -lreadline
-// #include <stdio.h>
-// #include <stdlib.h>
-// #include <readline/readline.h>
-// #include <readline/history.h>
-import "C"
-import (
-	"os"
-	"os/signal"
-	"strings"
-	"syscall"
-	"unsafe"
-)
-
-func initReadLine() {
-	C.rl_catch_sigwinch = 0
-	C.rl_catch_signals = 0
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, syscall.SIGWINCH)
-	signal.Notify(c, os.Interrupt)
-	go func() {
-		for sig := range c {
-			switch sig {
-			case syscall.SIGWINCH:
-				C.rl_resize_terminal()
-
-			case os.Interrupt:
-				C.rl_cleanup_after_signal()
-			default:
-
-			}
-		}
-	}()
-}
-
-func readLine(prompt *string) *string {
-	var p *C.char
-
-	//readline allows an empty prompt(NULL)
-	if prompt != nil {
-		p = C.CString(*prompt)
-	}
-
-	ret := C.readline(p)
-
-	if p != nil {
-		C.free(unsafe.Pointer(p))
-	}
-
-	if ret == nil {
-		return nil
-	} //EOF
-
-	s := C.GoString(ret)
-	C.free(unsafe.Pointer(ret))
-	return &s
-}
-
-func addHistory(s string) {
-	p := C.CString(s)
-	C.add_history(p)
-	C.free(unsafe.Pointer(p))
-}
-
-var indentCount = 0
-var str = ""
-
-func (self *JSRepl) setIndent() {
-	open := strings.Count(str, "{")
-	open += strings.Count(str, "(")
-	closed := strings.Count(str, "}")
-	closed += strings.Count(str, ")")
-	indentCount = open - closed
-	if indentCount <= 0 {
-		self.prompt = "> "
-	} else {
-		self.prompt = strings.Join(make([]string, indentCount*2), "..")
-		self.prompt += " "
-	}
-}
-
-func (self *JSRepl) read() {
-	initReadLine()
-L:
-	for {
-		switch result := readLine(&self.prompt); true {
-		case result == nil:
-			break L
-
-		case *result != "":
-			str += *result + "\n"
-
-			self.setIndent()
-
-			if indentCount <= 0 {
-				if *result == "exit" {
-					self.Stop()
-					break L
-				}
-
-				hist := str[:len(str)-1]
-				addHistory(hist) //allow user to recall this line
-				self.history.WriteString(str)
-
-				self.parseInput(str)
-
-				str = ""
-			}
-		}
-	}
-}
-
-func (self *JSRepl) PrintValue(v interface{}) {
-	method, _ := self.re.vm.Get("prettyPrint")
-	v, err := self.re.vm.ToValue(v)
-	if err == nil {
-		method.Call(method, v)
-	}
-}
diff --git a/ethereum/repl_linux.go b/ethereum/repl_linux.go
deleted file mode 120000
index 276f135d7..000000000
--- a/ethereum/repl_linux.go
+++ /dev/null
@@ -1 +0,0 @@
-repl_darwin.go
\ No newline at end of file
diff --git a/ethereum/repl_windows.go b/ethereum/repl_windows.go
deleted file mode 100644
index 9d4787772..000000000
--- a/ethereum/repl_windows.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-)
-
-func (self *JSRepl) read() {
-	reader := bufio.NewReader(os.Stdin)
-	for {
-		fmt.Printf(self.prompt)
-		str, _, err := reader.ReadLine()
-		if err != nil {
-			fmt.Println("Error reading input", err)
-		} else {
-			self.parseInput(string(str))
-		}
-	}
-}
-
-func (self *JSRepl) PrintValue(value otto.Value) {
-	fmt.Println(value)
-}
diff --git a/utils/cmd.go b/utils/cmd.go
deleted file mode 100644
index dc435a700..000000000
--- a/utils/cmd.go
+++ /dev/null
@@ -1,253 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	"github.com/ethereum/eth-go"
-	"github.com/ethereum/eth-go/ethcrypto"
-	"github.com/ethereum/eth-go/ethdb"
-	"github.com/ethereum/eth-go/ethlog"
-	"github.com/ethereum/eth-go/ethminer"
-	"github.com/ethereum/eth-go/ethpub"
-	"github.com/ethereum/eth-go/ethrpc"
-	"github.com/ethereum/eth-go/ethutil"
-	"io"
-	"log"
-	"os"
-	"os/signal"
-	"path"
-	"time"
-)
-
-var logger = ethlog.NewLogger("CLI")
-var interruptCallbacks = []func(os.Signal){}
-
-// Register interrupt handlers callbacks
-func RegisterInterrupt(cb func(os.Signal)) {
-	interruptCallbacks = append(interruptCallbacks, cb)
-}
-
-// go routine that call interrupt handlers in order of registering
-func HandleInterrupt() {
-	c := make(chan os.Signal, 1)
-	go func() {
-		signal.Notify(c, os.Interrupt)
-		for sig := range c {
-			logger.Errorf("Shutting down (%v) ... \n", sig)
-			RunInterruptCallbacks(sig)
-		}
-	}()
-}
-
-func RunInterruptCallbacks(sig os.Signal) {
-	for _, cb := range interruptCallbacks {
-		cb(sig)
-	}
-}
-
-func AbsolutePath(Datadir string, filename string) string {
-	if path.IsAbs(filename) {
-		return filename
-	}
-	return path.Join(Datadir, filename)
-}
-
-func openLogFile(Datadir string, filename string) *os.File {
-	path := AbsolutePath(Datadir, filename)
-	file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
-	if err != nil {
-		panic(fmt.Sprintf("error opening log file '%s': %v", filename, err))
-	}
-	return file
-}
-
-func confirm(message string) bool {
-	fmt.Println(message, "Are you sure? (y/n)")
-	var r string
-	fmt.Scanln(&r)
-	for ; ; fmt.Scanln(&r) {
-		if r == "n" || r == "y" {
-			break
-		} else {
-			fmt.Printf("Yes or no?", r)
-		}
-	}
-	return r == "y"
-}
-
-func InitDataDir(Datadir string) {
-	_, err := os.Stat(Datadir)
-	if err != nil {
-		if os.IsNotExist(err) {
-			fmt.Printf("Data directory '%s' doesn't exist, creating it\n", Datadir)
-			os.Mkdir(Datadir, 0777)
-		}
-	}
-}
-
-func InitLogging(Datadir string, LogFile string, LogLevel int, DebugFile string) {
-	var writer io.Writer
-	if LogFile == "" {
-		writer = os.Stdout
-	} else {
-		writer = openLogFile(Datadir, LogFile)
-	}
-	ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.LogLevel(LogLevel)))
-	if DebugFile != "" {
-		writer = openLogFile(Datadir, DebugFile)
-		ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.DebugLevel))
-	}
-}
-
-func InitConfig(ConfigFile string, Datadir string, Identifier string, EnvPrefix string) {
-	InitDataDir(Datadir)
-	ethutil.ReadConfig(ConfigFile, Datadir, Identifier, EnvPrefix)
-}
-
-func exit(err error) {
-	status := 0
-	if err != nil {
-		logger.Errorln("Fatal: ", err)
-		status = 1
-	}
-	ethlog.Flush()
-	os.Exit(status)
-}
-
-func NewDatabase() ethutil.Database {
-	db, err := ethdb.NewLDBDatabase("database")
-	if err != nil {
-		exit(err)
-	}
-	return db
-}
-
-func NewEthereum(db ethutil.Database, keyManager *ethcrypto.KeyManager, usePnp bool, OutboundPort string, MaxPeer int) *eth.Ethereum {
-	ethereum, err := eth.New(db, keyManager, eth.CapDefault, usePnp)
-	if err != nil {
-		logger.Fatalln("eth start err:", err)
-	}
-	ethereum.Port = OutboundPort
-	ethereum.MaxPeers = MaxPeer
-	return ethereum
-}
-
-func StartEthereum(ethereum *eth.Ethereum, UseSeed bool) {
-	logger.Infof("Starting Ethereum v%s", ethutil.Config.Ver)
-	ethereum.Start(UseSeed)
-	RegisterInterrupt(func(sig os.Signal) {
-		ethereum.Stop()
-		ethlog.Flush()
-	})
-}
-
-func ShowGenesis(ethereum *eth.Ethereum) {
-	logger.Infoln(ethereum.BlockChain().Genesis())
-	exit(nil)
-}
-
-func NewKeyManager(KeyStore string, Datadir string, db ethutil.Database) *ethcrypto.KeyManager {
-	var keyManager *ethcrypto.KeyManager
-	switch {
-	case KeyStore == "db":
-		keyManager = ethcrypto.NewDBKeyManager(db)
-	case KeyStore == "file":
-		keyManager = ethcrypto.NewFileKeyManager(Datadir)
-	default:
-		exit(fmt.Errorf("unknown keystore type: %s", KeyStore))
-	}
-	return keyManager
-}
-
-func KeyTasks(keyManager *ethcrypto.KeyManager, KeyRing string, GenAddr bool, SecretFile string, ExportDir string, NonInteractive bool) {
-	var err error
-	switch {
-	case GenAddr:
-		if NonInteractive || confirm("This action overwrites your old private key.") {
-			err = keyManager.Init(KeyRing, 0, true)
-		}
-		exit(err)
-	case len(SecretFile) > 0:
-		if NonInteractive || confirm("This action overwrites your old private key.") {
-			err = keyManager.InitFromSecretsFile(KeyRing, 0, SecretFile)
-		}
-		exit(err)
-	case len(ExportDir) > 0:
-		err = keyManager.Init(KeyRing, 0, false)
-		if err == nil {
-			err = keyManager.Export(ExportDir)
-		}
-		exit(err)
-	default:
-		// Creates a keypair if none exists
-		err = keyManager.Init(KeyRing, 0, false)
-		if err != nil {
-			exit(err)
-		}
-	}
-}
-
-func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
-	var err error
-	ethereum.RpcServer, err = ethrpc.NewJsonRpcServer(ethpub.NewPEthereum(ethereum), RpcPort)
-	if err != nil {
-		logger.Errorf("Could not start RPC interface (port %v): %v", RpcPort, err)
-	} else {
-		go ethereum.RpcServer.Start()
-	}
-}
-
-var miner ethminer.Miner
-
-func StartMining(ethereum *eth.Ethereum) bool {
-	if !ethereum.Mining {
-		ethereum.Mining = true
-
-		addr := ethereum.KeyManager().Address()
-
-		go func() {
-			miner = ethminer.NewDefaultMiner(addr, ethereum)
-			// Give it some time to connect with peers
-			time.Sleep(3 * time.Second)
-			for !ethereum.IsUpToDate() == false {
-				time.Sleep(5 * time.Second)
-			}
-
-			logger.Infoln("Miner started")
-			miner := ethminer.NewDefaultMiner(addr, ethereum)
-			miner.Start()
-		}()
-		RegisterInterrupt(func(os.Signal) {
-			StopMining(ethereum)
-		})
-		return true
-	}
-	return false
-}
-
-func StopMining(ethereum *eth.Ethereum) bool {
-	if ethereum.Mining {
-		miner.Stop()
-		logger.Infoln("Miner stopped")
-		ethereum.Mining = false
-		return true
-	}
-	return false
-}
-
-// Replay block
-func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
-	block := ethereum.BlockChain().GetBlock(hash)
-	if block == nil {
-		return fmt.Errorf("unknown block %x", hash)
-	}
-
-	parent := ethereum.BlockChain().GetBlock(block.PrevHash)
-
-	_, err := ethereum.StateManager().ApplyDiff(parent.State(), parent, block)
-	if err != nil {
-		return err
-	}
-
-	return nil
-
-}