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.. _unicode-syntax:
Unicode syntax
--------------
.. extension:: UnicodeSyntax
:shortdesc: Enable unicode syntax.
:since: 6.8.1
Enable the use of Unicode characters in place of their equivalent ASCII
sequences.
The language extension :extension:`UnicodeSyntax` enables
Unicode characters to be used to stand for certain ASCII character
sequences. The following alternatives are provided:
+--------------+---------------+-------------+-----------------------------------------+
| ASCII | Unicode | Code point | Name |
| | alternative | | |
+==============+===============+=============+=========================================+
| ``::`` | ∷ | 0x2237 | PROPORTION |
+--------------+---------------+-------------+-----------------------------------------+
| ``=>`` | ⇒ | 0x21D2 | RIGHTWARDS DOUBLE ARROW |
+--------------+---------------+-------------+-----------------------------------------+
| ``->`` | → | 0x2192 | RIGHTWARDS ARROW |
+--------------+---------------+-------------+-----------------------------------------+
| ``<-`` | ← | 0x2190 | LEFTWARDS ARROW |
+--------------+---------------+-------------+-----------------------------------------+
| ``>-`` | ⤚ | 0x291a | RIGHTWARDS ARROW-TAIL |
+--------------+---------------+-------------+-----------------------------------------+
| ``-<`` | ⤙ | 0x2919 | LEFTWARDS ARROW-TAIL |
+--------------+---------------+-------------+-----------------------------------------+
| ``>>-`` | ⤜ | 0x291C | RIGHTWARDS DOUBLE ARROW-TAIL |
+--------------+---------------+-------------+-----------------------------------------+
| ``-<<`` | ⤛ | 0x291B | LEFTWARDS DOUBLE ARROW-TAIL |
+--------------+---------------+-------------+-----------------------------------------+
| ``*`` | ★ | 0x2605 | BLACK STAR |
+--------------+---------------+-------------+-----------------------------------------+
| ``forall`` | ∀ | 0x2200 | FOR ALL |
+--------------+---------------+-------------+-----------------------------------------+
| ``(|`` | ⦇ | 0x2987 | Z NOTATION LEFT IMAGE BRACKET |
+--------------+---------------+-------------+-----------------------------------------+
| ``|)`` | ⦈ | 0x2988 | Z NOTATION RIGHT IMAGE BRACKET |
+--------------+---------------+-------------+-----------------------------------------+
| ``[|`` | ⟦ | 0x27E6 | MATHEMATICAL LEFT WHITE SQUARE BRACKET |
+--------------+---------------+-------------+-----------------------------------------+
| ``|]`` | ⟧ | 0x27E7 | MATHEMATICAL RIGHT WHITE SQUARE BRACKET |
+--------------+---------------+-------------+-----------------------------------------+
| ``%1->`` | ⊸ | 0x22B8 | MULTIMAP |
+--------------+---------------+-------------+-----------------------------------------+
|