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Re: [External] : Re: Smarter M-x that filters on major-mode


From: Óscar Fuentes
Subject: Re: [External] : Re: Smarter M-x that filters on major-mode
Date: Sat, 13 Feb 2021 01:47:25 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Drew Adams <drew.adams@oracle.com> writes:

>> I'm worried about performance. IIRC I've seen 20000+
>> commands upon M-x invocation...
>
> Even when you type some text to match?
>
> Perhaps you're using some completion framework
> that starts displaying candidates without waiting
> for any input to match?

Yes. It is equivalent to M-x <TAB> with the default completion system.

But even if you wait until you type the first character, the filtering
could cause a perceptible lag.




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