GNU bug report logs - #78798
bibtex-font-lock-url-regexp should re-eval after setting bibtex-generate-url-list

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Roland Winkler <winkler <at> gnu.org>
Cc: 78798 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, pRoMMMModE <at> outlook.com
Subject: bug#78798: bibtex-font-lock-url-regexp should re-eval after setting bibtex-generate-url-list
Date: Sun, 20 Jul 2025 09:08:28 +0300

> From: Roland Winkler <winkler <at> gnu.org>
> Cc: MAN ONE <pRoMMMModE <at> outlook.com>,  78798 <at> debbugs.gnu.org,
>   monnier <at> iro.umontreal.ca
> Date: Sun, 20 Jul 2025 01:03:49 -0500
> 
> If the value of a user variable foo is used to initialize a helper
> variable bar, then defcustom for foo can define a setfunction that will
> set bar.  But this function must be defined before the defcustom.  But
> this makes the compiler complain that the setfunction uses the undefined
> var foo.  And if bar is declared after foo, this gives more warnings.

The usual way of working around that is to have

  (defvar foo)

before defining the set-function.

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