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Re: [SUSPECTED SPAM] Re: [Emacs-diffs] scratch/widen-less a4ba846: Repla


From: Stefan Monnier
Subject: Re: [SUSPECTED SPAM] Re: [Emacs-diffs] scratch/widen-less a4ba846: Replace prog-widen with consolidating widen calls
Date: Mon, 11 Dec 2017 17:20:08 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> AFAIU, Dmitry claimed precisely that.  Otherwise, I cannot understand
> the nature of his resistance to a simple request to keep backward
> compatibility, something that is standard Emacs development policy.

Given that prog-indentation-context has never been part of a release,
this kind of "backward compatibility" is something we (until now) have
never really tried to preserve.

As for why we want prog-indentation-context gone rather than keep it for
backward-compatibility, it's because it requires major modes to follow
a convention different from the one that Dmitry suggests, so we end up
with two contradictory recommendations in terms of what major modes
should do.

Hence my question: what's the concrete benefit of keeping in
prog-indentation-context, i.e. of introducing in Emacs-26 a new variable
which according to the evidence I see is destined to being left unused.


        Stefan



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