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Re: [ELPA] Add compat.el


From: Eli Zaretskii
Subject: Re: [ELPA] Add compat.el
Date: Fri, 08 Oct 2021 14:10:22 +0300

> From: Philip Kaludercic <philipk@posteo.net>
> Cc: emacs-devel@gnu.org
> Date: Fri, 08 Oct 2021 09:59:45 +0000
> 
> > This is a gray area of regexp matching, and it keeps constantly
> > changing in Emacs under the hood.  The changes are generally seen as
> > "bugfixes" (though IMNSHO they aren't), and so they aren't called out
> > in NEWS.  And what would you say there about such subtle changes,
> > anyway?  So no one should expect it to work the same in different
> > versions of Emacs.
> 
> True, but my concern here is to provide older versions of Emacs with the
> same behaviour (for these newer functions, like string-search and
> string-replace), so I do have to take it into consideration.

That's fine, but you seem to be asking why the change and whether it's
"right".  I'm saying that you just need to accept that this is how
things are, and if the compatibility package needs to account for
that, so be it.



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