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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: emacs-devel@gnu.org
Subject: Re: master 760910f: Add a new buffer-local variable `minor-modes'
Date: Sun, 14 Feb 2021 13:17:17 -0500	[thread overview]
Message-ID: <jwvim6u5xfe.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <874kieejwe.fsf@gnus.org> (Lars Ingebrigtsen's message of "Sun, 14 Feb 2021 16:41:53 +0100")

> But how do we know which ones are enabled?  As far as I know, there's no
> way to know (reliably) -- the :variable that shows whether the mode is
> on or not isn't preserved anywhere.

I can't look at it just now, but I remember this problem and have the
vague recollection that I've made some progress on it, but if it's not
sufficient yet, we can and should just fix it.

> Even if we had a function like that, looping over all possible minor
> modes and calling predicates for them sounds hopelessly slow when you
> have to do this for thousands of symbols...

You could do it eagerly just once before calling all the predicate
functions for all the commands, so that'd be cheap.


        Stefan




  parent reply	other threads:[~2021-02-14 18:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210214113754.21891.10736@vcs0.savannah.gnu.org>
     [not found] ` <20210214113756.93760209D4@vcs0.savannah.gnu.org>
2021-02-14 12:26   ` master 760910f: Add a new buffer-local variable `minor-modes' Basil L. Contovounesios
2021-02-14 12:49     ` Lars Ingebrigtsen
2021-02-14 13:01       ` Lars Ingebrigtsen
2021-02-14 13:47     ` Lars Ingebrigtsen
2021-02-14 15:34   ` Stefan Monnier
2021-02-14 15:41     ` Lars Ingebrigtsen
2021-02-14 15:45       ` Lars Ingebrigtsen
2021-02-14 18:17       ` Stefan Monnier [this message]
2021-02-14 18:40         ` Lars Ingebrigtsen
2021-02-14 23:19           ` Stefan Monnier
2021-02-14 23:22             ` Lars Ingebrigtsen

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