bug#81457: 30.2; mode specific only accepting one character after M-x

> Cc: [email protected]
> Date: Thu, 23 Jul 2026 10:44:22 +0300
> From: Eli Zaretskii <[email protected]>
> 
> > From: "Brian P. Flaherty" <[email protected]>
> > Date: Wed, 22 Jul 2026 14:32:27 -0700
> > 
> > I'm sending this bug report from an up-to-date Debian unstable installation.
> > This emacs (30.2) was installed from Debian.
> > 
> > I have used noweb-mode to edit files in emacs for over 20 years. Lately,
> > when I'm editing a noweb file, when I press M-x and start typing a
> > command, only the first character is accepted and then I get a message
> > that 'i' (for example) is not command. Here's an excerpt from my
> > *Message* buffer:
> > 
> > execute-extended-command: ‘i’ is not a valid command name
> > execute-extended-command: ‘r’ is not a valid command name [2 times]
> > 
> > This occurred today when I wanted to type M-x insert-time, a function I
> > defined in my .emacs and have also used for years. After it starts, it
> > happens continuously. It doesn't stop when I kill that buffer and type
> > somewhere else.
> > 
> > If I start emacs-30.2 with -Q, I can type M-x and it works, for M-x
> > dired. But if I load-file /usr/share/emacs/site-lisp/noweb-mode.el,
> > invoke noweb-mode (M-x noweb-mode) on the same file, it appears work. (I
> > am asked to approve local variables.) After all this, when I type M-x,
> > the same problem occurs. It just accepts the first character typed and
> > complains it isn't a command.
> 
> noweb-mode.el is not part of Emacs.  So I suggest to report this to
> the developers of noweb-mode, not here.
> 
> > I downloaded emacs 30.1 from gnu.org and built it on my computer, but
> > the same problem occurs. I then downloaded and built 29.4, and there's
> > no problem! noweb-mode works in 29.4 as it has for years. It doesn't
> > autoload all Debian's stuff, so I have to load-file noweb-mode.el, but
> > no M-x problems.
> > 
> > Here's the emacs-29.4 version info:
> > 
> > In GNU Emacs 29.4 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.52,
> >  cairo version 1.18.4) of 2026-07-22 built on stendahl
> > Windowing system distributor 'The X.Org Foundation', version 11.0.12401012
> > System Description: Debian GNU/Linux forky/sid
> > 
> > So it seems some change between 29.4 and 30 introduced this problem.
> 
> So maybe noweb-mode needs some adaptations to Emacs 30?  This should
> be communicated to the noweb-mode developers.

No further comments, so I'm now closing this bug.