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

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Timothee Cour 2021-04-23 04:51:24 -07:00 • committed by GitHub
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@ -261,8 +261,9 @@ and underscores, with the following restrictions:
* begins with a letter * begins with a letter
* does not end with an underscore `_` * 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' letter ::= 'A'..'Z' | 'a'..'z' | '\x80'..'\xff'
digit ::= '0'..'9' digit ::= '0'..'9'
IDENTIFIER ::= letter ( ['_'] (letter | digit) )* IDENTIFIER ::= letter ( ['_'] (letter | digit) )*