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

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Message #19 received at 48078 <at> debbugs.gnu.org (full text, mbox):

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: Re: bug#48078: Verbatim environments with key-value arguments
Date: Thu, 29 Apr 2021 21:05:16 +0200

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

Hi Arash,

> Thank you for the quick fix.  I also removed some unnecessary escaping
> of characters in the regexp for the optional arguments.

I had to check the docs to understand that. :-)

> 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={~}].

> Rationale: One can have a single ] in an optional argument which is
> hidden inside {}.

Not everything that can be written should be written. ;-)

Bye,
Tassilo

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