GNU bug report logs - #66554
[PATCH] Add the public API of Compat to the core

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Message #151 received at 66554 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Philip Kaludercic <philipk <at> posteo.net>
Cc: mail <at> daniel-mendler.de, stefankangas <at> gmail.com, monnier <at> iro.umontreal.ca,
 66554 <at> debbugs.gnu.org
Subject: Re: bug#66554: [PATCH] Add the public API of Compat to the core
Date: Fri, 19 Jan 2024 20:50:55 +0200

> From: Philip Kaludercic <philipk <at> posteo.net>
> Cc: Daniel Mendler <mail <at> daniel-mendler.de>,  66554 <at> debbugs.gnu.org,
>   monnier <at> iro.umontreal.ca,  stefankangas <at> gmail.com
> Date: Fri, 19 Jan 2024 16:44:06 +0000
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> Compat allows packages to use APIs which are newer than the Emacs they
> >> depend on. A package depending on ((emacs "27.1") (compat "29.1"))
> >> relies on Emacs 27.1 as base line, but can use some APIs from 29.1,
> >> specifically the ones provided by Compat. Is there a better and more
> >> specific term for this than "forward compatibility"?
> >
> > How about
> >
> >   Compat allows packages written for newer Emacs version to still work
> >   with older Emacs versions.
> 
> I think the danger here is that Compat cannot provide full compatibility
> support (some features either too complex to maintain, too slow to
> reproduce or requiring changes in the core), so the way you phrase it
> sounds like more than is being delivered.

I fail to see how what I wrote is different from the text quoted above
that.  If my text promises more than is being delivered, so is the
original text.

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