bug#29165: 26.0.90; can't use some code byte-compiled under emacs 24

[Noam Postavsky <npostavs@users.sourceforge.net>]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Noam Postavsky <npostavs@users.sourceforge.net>
>> Date: Sat, 20 Jan 2018 17:10:17 -0500
>> Cc: Ken Raeburn <raeburn@permabit.com>, Andreas Schwab <schwab@linux-m68k.org>,
>> 	Philipp Stephani <p.stephani2@gmail.com>, 29165@debbugs.gnu.org,
>> 	Stefan Monnier <monnier@iro.umontreal.ca>
>> 
>> I probably should have got around to this before 26.0.91, but I think
>> this should still go to emacs-26 because the patch makes the behaviour
>> closer to what was in v25.
>
> Is it important enough to justify one more pretest, after 26.0.91, and
> delay the release by a few more weeks?  Because that's what would be
> needed if we install this on the release branch.

Hmm, no, I think these edge cases are not important enough to delay the
release.

> Besides, this change was introduced more than a year ago, and we did
> that in clear understanding that it changes behavior.  So "closer to
> Emacs 25" doesn't sound like a convincing argument in this case,
> because we gave up that similarity up front.

Well, the unfortunate thing about waiting is that we get more strict in
v26 and then turn around in v27 and (partially) reverse the decision.
But still, as I said above, not worth delaying the release over it.