bug#68815: Unexpected behavior with read-file-name and functional REQUIRE-MATCH argument

[Joseph Turner]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Stefan Monnier <monnier@iro.umontreal.ca>
>> Cc: 68815@debbugs.gnu.org,  Philip Kaludercic <philipk@posteo.net>,
>>   michael_heerdegen@web.de,  Eli Zaretskii <eliz@gnu.org>
>> Date: Wed, 31 Jan 2024 17:05:30 -0500
>>
>> >> Also, performance can be a concern (in many cases it makes more sense
>> >> to make the caller pass the unquoted name rather than force it to quote
>> >> the name only for PRED to unquote it).
>> >
>> > The REQUIRE-MATCH function is only called once when the user attempts to
>> > exit the minibuffer.  Would you please explain the performance concern?
>>
>> Oh, sorry, I got confused.  Indeed, you're wrapping the REQUIRE-MATCH
>> arg, not the PRED arg I was ranting about.  Duh!
>>
>> It would be OK for `emacs-29`, indeed.  Eli?  Stefan?  Any objection?
>
> I don't mind, but please note that I'm not sure there will be any
> further 29.x releases.

Good to know.  What is the purpose of keeping the emacs-29 branch, then?

>> In the mean time, could you update the docs to clarify the behavior.
>
> Yes, please.