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-rw-r--r--docs/introduction-to-smart-contracts.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/introduction-to-smart-contracts.rst b/docs/introduction-to-smart-contracts.rst
index 33a8ad10..fd12e97b 100644
--- a/docs/introduction-to-smart-contracts.rst
+++ b/docs/introduction-to-smart-contracts.rst
@@ -61,6 +61,10 @@ so that only you can alter the number.
All identifiers (contract names, function names and variable names) are restricted to
the ASCII character set. It is possible to store UTF-8 encoded data in string variables.
+.. warning::
+ Be careful with using Unicode text as similarly looking (or even identical) can have different
+ code points and as such will be encoded as a different byte array.
+
.. index:: ! subcurrency
Subcurrency Example