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bug#51143: 29.0.50; Long delay after M-x commandname


From: Michael Heerdegen
Subject: bug#51143: 29.0.50; Long delay after M-x commandname
Date: Thu, 15 Sep 2022 11:49:34 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Lars Ingebrigtsen <larsi@gnus.org> writes:

> > I could reproduce the issue and I had some ideas how to improve the
> > situation, please reopen.
>
> This was almost a year ago -- do you have a recipe to reproduce the
> problem?

AFAIR the originally posted recipe was complete, you only had to have
enough stuff defined so that `execute-extended-command--shorter' gets
slow.  It had been my goal to improve the speed of that function.

I remember what I had discussed with Stefan.  The uncontroversial part
was to factor out the `commandp' tests out of
`completion-try-completion'.

I'll have a look.

Michael.





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