GNU bug report logs - #72329
Avoid recursion in gnus-message-citation-mode

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From: Eli Zaretskii <eliz <at> gnu.org>
To: eric <at> ericabrahamsen.net
Cc: 72329 <at> debbugs.gnu.org, thuna.cing <at> gmail.com
Subject: bug#72329: Avoid recursion in gnus-message-citation-mode
Date: Sat, 17 Aug 2024 10:29:31 +0300

Ping! Eric, any comments?

> Cc: 72329 <at> debbugs.gnu.org
> Date: Fri, 02 Aug 2024 10:27:54 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > From: Thuna <thuna.cing <at> gmail.com>
> > Date: Sun, 28 Jul 2024 03:30:40 +0200
> > 
> > In `gnus-message-citation-mode' the
> > 
> >   (if (not font-lock-mode)
> >       (gnus-message-citation-mode (font-lock-mode 1))
> >     ...)
> > 
> > can lead to excessive nesting if font-lock-mode fails to be set (quick
> > enough or altogether).  Changing this with
> > 
> >   (while (not font-lock-mode) (font-lock-mode 1))
> >   ...
> > 
> > should be better, assuming it is necessary for `font-lock-mode' to be
> > called repeatedly, otherwise
> > 
> >   (font-lock-mode 1)
> >   (while (not font-lock-mode))
> >   ...
> > 
> > might also work, or simply
> > 
> >   (font-lock-mode 1)
> >   ...
> > 
> > if it is not necessary to wait.
> > 
> > One possible problem with these arrangements is that it may be desirable
> > to error in case there is an issue which prevents font-lock-mode from
> > being set perpetually, in which case something like
> > 
> >   (font-lock-mode 1)
> >   (with-timeout (<however-long-before-giving-up>
> >                  (error "Failed to enable `font-lock-mode'."))
> >     (while (not font-lock-mode)))
> >   ...
> > 
> > might be preferable.
> 
> Thanks.
> 
> Eric, any comments or suggestions?
> 
> 
> 
> 

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