From: Richard Stallman <rms@gnu.org>
To: Yuan Fu <casouri@gmail.com>
Cc: monnier@iro.umontreal.ca, psainty@orcon.net.nz, emacs-devel@gnu.org
Subject: Re: Calling another major mode in a major mode body
Date: Mon, 05 Dec 2022 17:37:07 -0500 [thread overview]
Message-ID: <E1p2K5D-0004X7-B9@fencepost.gnu.org> (raw)
In-Reply-To: <8EC7180D-C1A3-4171-889F-829C1B851EC3@gmail.com> (message from Yuan Fu on Sat, 3 Dec 2022 23:54:22 -0800)
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> Yeah, in Emacs 30, probably :-) I used the advice technique/hack similar to tex-mode for bash-ts-mode.
Plsee fix that. To make one part of Emacs put advice on another part
is asking for future development trouble.
The worst thing is that the trouble is likely to happen to some other
developer.
When your code puts advice on a function BAR, that means other code
that calls BAR will get behavior different from what the source code
of BAR says. Someone else will debug a program that calls BAR and
tear per hair out trying to figure out why it does not do what ALL the
source code says it should do.
Please don't install code that advises other code.
If you've already done that, please fix it now.
Don't add it to the backlog of pitfalls waiting to be fixed.
--
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)
next prev parent reply other threads:[~2022-12-05 22:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-21 22:07 Calling another major mode in a major mode body Yuan Fu
2022-11-22 0:44 ` Phil Sainty
2022-11-23 2:03 ` Yuan Fu
2022-11-23 2:15 ` Yuan Fu
2022-11-23 2:46 ` Stefan Monnier
2022-11-23 18:36 ` Yuan Fu
2022-11-23 19:21 ` Stefan Monnier
2022-12-04 7:54 ` Yuan Fu
2022-12-05 22:37 ` Richard Stallman [this message]
2022-12-05 22:50 ` Stefan Monnier
2022-12-08 23:07 ` Richard Stallman
2022-12-09 12:56 ` Stefan Monnier
2022-12-10 22:05 ` Richard Stallman
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