manual: fix rendering of Identifiers & Keywords [skip ci] (#17811)

This commit is contained in:
Timothee Cour
2021-04-23 04:51:24 -07:00
committed by GitHub
parent 511b6d2449
commit 3516f57e17

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@@ -261,8 +261,9 @@ and underscores, with the following restrictions:
* begins with a letter
* does not end with an underscore `_`
* two immediate following underscores `__` are not allowed::
* two immediate following underscores `__` are not allowed:
.. code-block::
letter ::= 'A'..'Z' | 'a'..'z' | '\x80'..'\xff'
digit ::= '0'..'9'
IDENTIFIER ::= letter ( ['_'] (letter | digit) )*