Subject: bug#72442: 31.0.50; Gnus or message.el doesn't handle international message reply subject prefixes and insults users

From: Eli Zaretskii <[email-masked]>
Date: Sat, 03 Aug 2024 18:43:11 +0300

> Date: Sat, 03 Aug 2024 16:14:39 +0300
> From:  Björn Bidar via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <[email-masked]>
> 
> 
> Gnus doesn't handle international message reply prefixes as opposed
> to Re: or it's variants.
> 
> An example would be `gnus-simpliy-subject-re' which threats English
> subject prefixes.
> 
> Message.el doesn't do so either (by default) I don't think it makes
> sense to open a separate bug about this but please reply that should be
> done.
> 
> The message manual also judges users for using localized variants of
> "Re: " by calling them "nincompoops" for using these "abominations"
> which it says are "meaningless and evil".
> 
> The offending text can be found in the documentation for
> `message-subject-re-regexp' in the chapter "3.1 Message Headers".

FWIW, Rmail does support the various ways of saying "Re:", so the code
could be lifted from there.