From: Lars Ingebrigtsen <larsi@gnus.org>
To: Reuben Thomas <rrt@sc3d.org>
Cc: 46331@debbugs.gnu.org
Subject: bug#46331: provided-mode-derived-p doesn't work on aliases
Date: Sat, 06 Feb 2021 12:04:14 +0100 [thread overview]
Message-ID: <8735y9e9u9.fsf@gnus.org> (raw)
In-Reply-To: <CAOnWdohb_FtsBpw17fcc8MfLf0GwtK3TZq7PkBdZg41_XUJ4Lg@mail.gmail.com> (Reuben Thomas's message of "Fri, 5 Feb 2021 17:13:06 +0000")
Reuben Thomas <rrt@sc3d.org> writes:
> javascript-mode is an alias for js-mode, and some third-party modes (e.g.
> json-mode) derive from it.
>
> (provided-mode-derived-p 'js-mode 'prog-mode) == t
>
> but
>
> (provided-mode-derived-p 'javascript-mode 'prog-mode) == nil
>
> Hence in json-mode, (derived-mode-p 'prog-mode) evaluates to nil, which seems
> unfortunate.
Yup. I've now changed the function to also work on MODE parameters that
are function aliases.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2021-02-06 11:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-05 17:13 bug#46331: provided-mode-derived-p doesn't work on aliases Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-02-06 11:04 ` Lars Ingebrigtsen [this message]
2021-02-06 11:22 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-02-06 11:27 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-02-06 11:31 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-02-06 11:32 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-02-06 11:39 ` Lars Ingebrigtsen
2021-02-06 11:41 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-02-06 12:54 ` Lars Ingebrigtsen
2021-02-06 11:37 ` Lars Ingebrigtsen
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