bug#65894: 29.1; Cannot map dead keys to commands anymore in emacs 29.

[Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

> [Please use Reply All to reply, to keep the bug tracker CC'ed.]
>
>> Date: Tue, 12 Sep 2023 21:54:10 +0200
>> From: Amic Frouvelle <amic@sandrine.da-et-amic.fr>
>> 
>> 
>> 
>> Le 12/09/2023 à 20:27, Eli Zaretskii a écrit :
>> >> Date: Tue, 12 Sep 2023 17:11:55 +0200
>> >> From: Amic Frouvelle <amic@sandrine.da-et-amic.fr>
>> >>
>> >> Let us say I want to map the dead circumflex to some command. In emacs
>> >> 28, I had no problem to do that. For instance the following line in
>> >> .emacs.el worked as expected (in emacs 29 it does not work anymore) :
>> >> (global-set-key (kbd "<C-dead-circumflex>") 'query-replace)
>> >>
>> >> In emacs 29, when I do
>> >> M-x local-set-key
>> >> and then press the dead circumflex key, it does nothing (it does the
>> >> second time I press it but for the character ^).
>> > 
>> > And the global-set-key method you used before -- does it still work?
>> 
>> Neither global-set-key, nor local-set-key (neither with the M-x + typing 
>> the command, nor in .emacs.el).
>
> Thanks.
>
> Po Lu, can you please look into this?

Would you please test this on the emacs-29 branch, not merely the
release?  Several similar problems have already been fixed there.