This commit was manufactured by cvs2svn to create tagGNOME_UTILS_2_2_1

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-Version 0.23, 26 Mar 01 ( cvs tag libical-0-23 )
-------------------------------------------------
-
-**** Incompatibilities with previous versions ****
-
-icalparameter_new_rsvp
-icalparameter_get_rsvp
-icalparameter_set_rsvp
-
-	These routines now take and return ICAL_RSVP_TRUE and
-	ICAL_RSVP_FALSE instead of 0 and 1
-	
-icalenum_*_to_*
-
-	These routines have been moved to icalproperty, icalparameter
-	or icalvalue
-
-
-
-Python interface: An alpha level python interface is available in
-src/python.
-
-Perl interface: A pre-alpha level interface is available in
-src/Net-ICal-Libical
-
-Code Autogeneration: Converted all of the important files in
-design-data/ to .csv files and improved the code that is generated
-from them. Now all of the enumerations for property, parameters and
-values are generated from thes files, as are the string
-representations for the enumerations. You can add a new property or
-parameter to the system simply by adding a line to the appropriate
-file in design-data/
-
-Recurrences: Improved the recurrence code by fixing bugs in MONTHLY
-recurrences and completely re-implementing expand_year_days() for
-YEARLY recurrences. Hubert V's aided in testing. 
-
-Build system: JP Rosevear made several improvements to the build
-system. Now checking out the code from cvs should give to a complete
-but minimal distribution, without any of the autognerated files.
-
-Interface changes: Nearly all of the icalenum routines for converting
-between strings and enumerations have been moved out of icalenum into
-icalproperty, icalparameter and icalvalue. This means that their names
-have changed, although #defines have been added to icalenum.h to map
-back to the old names.
- 
-Added src/libical/icllangbind.c that has some functions to make it
-easier to bind libical to other languages.
-
-
-Version 0.22, 15 Jan 01 ( cvs tag libical-0-22)
-----------------------------------------------
-
-Many improvements to the time routines in icaltime.c. I think that
-they actually make sense now. Note that there is an interface change
-with icaltime_from_timet() -- I removed the is_utc parameter, since
-all timet values are in UTC. Use icaltime_from_int() if you really
-want the old interface
-
-Major improvements to icalfileset. icalfileset_select now works and so
-does file locking.
-
-Minor revision to the documentation, but it does include a new section
-on file storage ( icalfileset ) and time ( icaltime.c)
-
-Lots of bug fixes and small patches. 
-
-I improved the regression test in src/test/regression.c. It now have
-command line switches to select specific tests ( undocumentated, of
-course ) and more of the tests include asserts, so you can just run it
-without looking at the output. If the test runs without crashing, it
-is mostly OK.
-
-
-
-Version 0.21, 20 Nov 00 ( cvs tag libical-0-21)
-----------------------------------------------
-
-        * icalmessage.c Many routines to create new ical messages. 
-
-	* icalspanlist.c Code to generate a list of the busy time f the
- 	VEVENTS in a set. Also includes routiens to generate free and busy
- 	lists from the spanlist, and to find the next free time after a
- 	given time.
-
-	* icalvalue.c The STATUS property now has its own value type,
- 	STATUS, which holds the enumeration icalproperty_status.
-
-	* icalrestriction.c Added more restrictions. Now handles mutual
- 	and exclusive consitions, and checks for the reight values in
- 	STATUS properties
-	
-	* icaltypes.c Added routine to create durationtype from string:
- 	icaldurationtype_from_string
-
-
-	* icalcomponet.c Add sever get/set convienience routines to access
- 	and manipulate common component propoerties from the component
- 	interface. This eliminates the need to create a lot of temporary
- 	variables if you just want to change the start time of and event.
-
-
-	* icalcomponent.c Added new routines to icalcomponent:
-	_get_span -- returns the start and end times of the event in UTC
-	_get_first_real_component -- return ref to VTODO, VEVENT or VJOURNAL
-
-	* icalspanlist.c Added new class, icalspanlist, that generates a
- 	list of alternating busy and free times from an icalset. The class
- 	includes routines to gnerate rfc2445 busy and free lists, and to
- 	get the next avaliable busy or free time after a given time.
-
-
-Version 0.20D 3 Nov 00
------------------------
-
-Many miscelaneous tweaks to the build system
-
-More work to icalclassify.
-
-Aded routines to icaltime.c to convert to and from specific timezones
-in Olsen format ("America/Los_Angeles")
-
-
-Version 0.20 7 Sept 00 (cvs tag libical-0-20 )
-----------------------------------------------
-
-Addedd icalclassify() which looks at a message and determine how to
-process it.
-
-Misc bug fixes and tweaks. 
-
-Version 0.19 6 August 00 (cvs tag libical-0-19)
------------------------------------------------
-
-Created a MIME parser in icalmime.c. This will take any complex MIME
-encapsulated message and return an icalcomponent with the same
-structure. Each MIME part is represented by a component of type
-X-LIC-MIMEPART.
-
-Added MIME partsing to stow.c
-
-Added external iterators to icalcomponent. See test_iterators() in
-test/regression.c
-
-Refactored icalcluster and icalstore into icalset, icalfileset and
-icaldirset, which have a pseudo inheritance relationship between them.
-
-Fixed more memory leaks. 
-
-Version 0.18a 10 June 00 ( cvs tag libical-0-18a )
------------------------------------------------
-
-Did the final tweaks to stow.c, a program to recieve and store iMIP
-messages.
-
-
-Version 0.18 10 June 00 ( cvs tag libical-0-18 )
------------------------------------------------
-
-Added libicalvcal, which includes the Versit code for parsing vCal
-files and a routine (icalvcal_convert() ) that converts a vCal object
-to an iCal object. The test program is src/test/testvcal.
-
-Added marginally functional recurrence code. The curent code does not
-handle all of the examples in rfc2445 ( which are extracted in
-test-data/recur.txt ) but it can do all of the obvious cases. See the
-test program in src/test/recur.c for an example. In particular, the
-code cannot handle the integer values in BYDAY, nor negative integers
-in BYMONTH or BYMONTHDAY. It also cannot handle BYSETPOS.
-
-Moved some code to the examples directory and improved the comments. 
-
-Did a little more work on the documentation in the doc directory. The
-documentation is in LyX source, but there is a text version in
-UsingLibical.txt
-
-
-Version 0.17 15 May 00  (cvs tag libical-0-17 ) 
----------------------------------------------
-
-Fixed two bugs that added extraneous '/' to test values
-
-Fixed type in internal string for the COUNTER method
-
-Eliminated a memory leak in icalparser.c
-
-
-Version 0.16a 29 April 00
-----------------------------------------------
-
-Fixed bug in icalvalue_new_from_string that caused METHOD value to
-choke on non standard input.
-
-Fixed a memory leak in icalparser_add_line -- failed to free 'line'
-
-
-Version 0.16 5 April 00 ( cvs tag libical-0-16)
-----------------------------------------------
-
-Now using automake. 
-
-Substantial changes to the parser. New interfaces let you parser
-multiple components from a single stream by feading the parser object
-one line at a time.
-
-Added a STRING value type. this type is like TEXT, but does not
-backslash magic characters. It is used in PRODID and REQUEST-STATUS,
-where the '/' and ';' are literal.
-
-Added several convience functions for REQUEST-STATUS to icalenums.c
-
-Addedd a routine to icalcomponent to convert X-LIC errors to
-REQUEST-STATUS return values.
-
-Version 0.15a  5 Mar 00 (cvs tag libical-0-15a)
----------------------
-
-Experimented with CVS
-
-Fixed icalvalue_set_text to convert escaped characters into the proper
-values.
-
-Other minor code tweaks. 
-
-
-Version 0.15 7 Feb 00
----------------------
-
-Split the storage classess ( icalstore, icalcluster, icalcalendar )
-into a seperate library, libicalss
-
-Implemented restriction checking in file icalrestrictions.c. The
-checking is not complete, but can handle the bulk of the restrictions
-described in RFC 2446.
-
-Created a new value type, METHOD. Changed METHOD property to use the
-new value. The METHOD value uses an enumeration.
-
-
-Version 0.14b 
--------------
-
-Implemented parsing of RECUR values, although it does not handle BYDAY
-specs with numbers.
-
-Fixed error in icalparser_next_line that mangled lines longer than the
-temp buffer (1024 chars.) The temp buffer is now 80 chars, and it can
-handle (apparently) arbitrary length lines
-
-Fixed severe brokenness in a value, but I forgot which one. 
-
-Cleaned cruft out of the distribution, so the tarfile is smaller. 
-
-
-Version 0.14a 14 Jan 00
------------------------
-
-Fixed bug in ROLE parameter -- missing '-' in the text of allowed values
-
-Fixed bug in X-parameters
-
-Version 0.14 11 Jan 00
-----------------------
-
-Fixed wrong value type for TRIGGER property
-
-Added Calendar object. Calendar is an aggregate of two stores and two
-clusters, and can store all of the inforamation associated with a
-calendar.
-
-icalcomponent_add_property and icalcomponent_add_component will
-complain if you try to add a component or property that is already
-part of an other component. The *_free routines wil complain if you try
-to free a linked component or property.
-
-More improvements to error handling. 
-
-Parser is much more robust. 
-
-Minor memory enhancements. 
-
-Regression test runs without memory leaks. 
-
-Version 0.13d 21Dec99
----------------------
-
-Seperated perl interface and library
-
-Added autoconf support
-
-Scripts that generate derived properties, values and parameters now
-change source and header files inline.
-
-Changed icalstore to cluster all components with DTSTART in a month
-into a single file. This should reduce number of file accesses by a
-factor of 60.
-
-Ran code through Purify and fixed memory leaks. 
-
-
-Version 0.13 16Nov99
----------------------
-
-Yet more bug fixes! Yeah!
-
-Added better error handling. The Parser inserts X-LIC-*ERROR
-properties to warn of parsing errors.
-
-The imip source/sink programs in /src/imip is demonstrably functional. 
-
-Version 0.12b 17Oct99
----------------------
-
-More bug fixes, particularily in parse from string routines
-
-ICal::Store is mostly functional
-
-This is version is a checkpoint, not a release. 
-
-Version 0.12a 10Oct99
----------------------
-
-Expanded perl interface: 
-	Added 1/2 of Store module
-	Fixed bugs
-	Implemeted get_{first,next}_property
-
-Extended C interface
-	Made get_{first,next}_property work properly
-	Fixed bugs
-
-
-This is version is a checkpoint, not a release. 
-
-Version 0.12 27Aug99
---------------------
-
-Added a rudimentatry perl interface
-
-This is version is a checkpoint, not a release. 
-
-
-Version 0.11 11Aug99
---------------------
-
-Eliminated most use of flex/bison -- all parsing, except for the
-values, is done in C.
-
-Cleaned up memory leaks. Purify claims that I got them all. 
-
-Moved all derived component/prop/param/value code ( in .inc / .h
-files) into main files ( icalcomponent.{c,h}, icalproperty.{c,h}, etc/
-) 
-
-Implemented *_clone routines. 
-
-Fixed a lot of bugs. 
-
-Implemented more value types. Still unimplemeneted are BINARY and RECUR
-
-Included MacOS/Code Warior files from Graham Davison
-
-
-Version 0.10 8Jul99
--------------------
-
-Eliminated shift/reduce and reduce/reduce conflicts in the parser.
-This version is almost feature complete -- it has the basic structure
-for all of the library's functionality, and it will only require
-implementing procedure shells and fixing bugs. I think that all of the
-hard work is done...
-
-Version 0.09a,b 3,7 Jul99
--------------------------
-
-Various improvements to the parser, added some functionality. The parser code
-is mostly complete, and should be fully functional, except for a horde of
-bugs. Also added support for X-Properties. 
-
-Version 0.09 25Jun99
---------------------
-
-Added a parser in files src/comp/icalitip.{y,l} The lexer is mostly 
-functional, but the parser is not. 
-
-
-Version 0.08 2Jun99
---------------------
-
-All files now have MPL licensing
-
-Implement enough of the code to perform some rudimentary testing
-
-
-Version 0.07 14May99
---------------------
-
-Remove all interfaces that construct object from a string
-
-Moved most code back into comp directory
-
-Implemented C files for most headers -- usecases.c now links. 
-
-Many improvements to generation scripts. 
-
-
-
-Version 0.06 25Apr99
---------------------
-
-Expanded distribution to include:
-	Directory structure that can accomodate future expansion
-	Several levels of Makefiles
-	This CHANGES file
-
-Added headers for irip and parse modules
-
-Added several files with design information
-
-Added scripts that I had used to generate much of the ical header code. 
-
-Split C headers from CC headers
-
-Added data for iTIP and iCAL component restrictions in restrictions.csv
-
-Version 0.05 11Apr99
-----------------------
-
-Changes to ical headers
-
-       Added derived Property classes.
-
-       Improved the interface to the derived property and parameter classes
-
-        Added derived component classes. 
-
-        Created usecases.c and ccusecases.cc to demonstrate use
-
-        C++ interface compile 
-
-
-Version 0.04 5Apr99
--------------------
-
-Version 0.02 30Mar99
---------------------