GNU bug report logs - #48078
Verbatim environments with key-value arguments

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From: Tassilo Horn <tsdh <at> gnu.org>
To: Arash Esbati <arash <at> gnu.org>
Cc: Dario Gjorgjevski <dario.gjorgjevski <at> gmail.com>, 48078 <at> debbugs.gnu.org
Subject: bug#48078: Verbatim environments with key-value arguments
Date: Sat, 01 May 2021 08:42:47 +0200

Arash Esbati <arash <at> gnu.org> writes:

Hi Arash,

>>> While we're at, I think we should replace
>>>
>>>     "\\(?:\\[[^][]*\\(?:\\[[^][]*\\][^][]*\\)*\\]\\)?"
>>>
>>> with
>>>
>>>     "\\(?:\\[[^][]*\\(?:{[^}{]*}[^}{]*\\)*\\]\\)?"
>>>
>>> at some point.
>>
>> But your advertised new regex doesn't even match the normal nested
>> bracket case, e.g., [foo=[1,2], bar={~}].
>
> It has to match [foo={[1,2]}, bar={~}].  In your example above, LaTeX
> scanner stops matching for the optional argument after ] and
> everything after that would be part of the environment.

Ah, so my example is not even valid LaTeX syntax?  If that's the case,
feel free to commit your improvement, preferably with a fontification
test

Bye,
Tassilo

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