From: Stefan Kangas <stefan@marxist.se>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Keith David Bershatsky <esq@lawlist.com>, 19684-done@debbugs.gnu.org
Subject: bug#19684: 25.0.50; `this-command` is set to `nil` before `window-scroll-functions` hook runs.
Date: Tue, 1 Oct 2019 22:16:57 +0200 [thread overview]
Message-ID: <CADwFkmn3z3zDv=_hMYqhxng66+y6LS607fNbFL7cajLG3FjgFw@mail.gmail.com> (raw)
In-Reply-To: <m2ppa3xr6z.wl%esq@lawlist.com>
Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
> tags 19684 notabug
> thanks
>
>> 1. Expressly call `redisplay` at the tail end of the series of
>> functions attached to the `post-command-hook`.
>> Calling `redisplay` somehow prevents `this-command` from being
>> reset to `nil` and the `window-scroll-functions` hook can then
>> take advantage of the existing value of `this-command`.
>
> It's not that calling `redisplay' prevents it. It's that the normal
> redisplay is run later (potentially much later if there are other things
> pending), at a point which is not directly connected with the command,
> hence this-command is not set any more because we're really not in the
> process of running that command any more.
This was already tagged notabug; I'm now also closing it.
Best regards,
Stefan Kangas
prev parent reply other threads:[~2019-10-01 20:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-25 7:19 bug#19684: 25.0.50; `this-command` is set to `nil` before `window-scroll-functions` hook runs Keith David Bershatsky
2015-01-25 10:38 ` martin rudalics
2015-01-25 15:33 ` Eli Zaretskii
2015-01-25 16:14 ` Stefan Monnier
2015-01-25 17:42 ` Keith David Bershatsky
2019-10-01 20:16 ` Stefan Kangas [this message]
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