Subject: bug#29203: 26.0.50; Binding a key to (MAP . CHAR) no longer works

From: Drew Adams <[email-masked]>
Date: Mon, 11 Nov 2019 03:51:17 +0000 (UTC)

> found 29203 27.0.50
> thanks
>  
> I can reproduce this using:
> 
> 0. (define-key global-map (kbd "C-c ,") (cons help-map ?r))
> 1. C-c ,
> 
> > This is apparently a regression, introduced in Emacs 24.
> > The problem does not exist in Emacs 20 through Emacs 23.
> 
> So was the behaviour changed willingly?  That is, is this a bug in the
> documentation or in the code?

Not sure whom you're asking (maybe anyone who knows?),
but IMO it's an (unannounced?) incompatible step
backward.  Stefan seems to have agreed that it's just
a code bug, in the cited emacs.SE comments.