Subject: Re: bug#58951: [PATCH] ; Fix handling of 'not' by 'buffer-match-p'

From: Eli Zaretskii <[email-masked]>
Date: Sat, 31 Dec 2022 18:34:15 +0200

> Cc: [email-masked]
> From: Mattias Engdegård <[email-masked]>
> Date: Sat, 31 Dec 2022 17:26:02 +0100
> 
> >     (not . CONDITION)
> > 
> > while it is more natural to write
> > 
> >     (not CONDITION)
> 
> Shouldn't then the `derived-mode` and `major-mode` operators be changed in the same way?

In fact, that change cause errors in timer function of
show-paren-mode, so I've reverted it for now.

> And shouldn't there be tests? For all of `buffer-match-p`, in fact?

Ideally, yes.