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Re: On removing some obsolete code from subr and core

From: Mark Oteiza
Subject: Re: On removing some obsolete code from subr and core
Date: Sat, 5 Nov 2016 09:50:05 -0400

On Nov 5, 2016 4:34 AM, "Eli Zaretskii" <address@hidden> wrote:
> > From: Mark Oteiza <address@hidden>
> > Date: Fri, 04 Nov 2016 12:59:09 -0400
> >
> > I was eyeing some code in subr.el that deprecated in 22, and was
> > wondering if there is any concern with ripping it out.  In particular,
> > the bits included in the following patch.
> Removing obsolete stuff is an ungrateful job, as we need to brace for
> complaints and have a Plan B for if/when they need to be brought back.
> For removed symbols, bringing back the ones that are still needed is
> easy.  But what do we do with the default-FOO variables, once the
> machinery for their generation is removed?
> In any case, this needs a NEWS entry listing all the removed
> variables.
> > The parts for buffer_defaults is incomplete of course, there are many
> > references to this structure.  Just searching through, uses of
> > buffer_defaults look very easy to remove, but I may be missing something
> > subtle.
> Why do we need to remove buffer_defaults?  Once it is not exposed to
> Lisp as variables, what's the harm?

None aside from (presumably) dead code. Perhaps it will be removed someday, but if leaving it there is fine with you then great!

I'll be sure to add a NEWS entry. Thanks

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