GNU bug report logs - #79180
31.0.50; Customize-browse emits treesit warnings

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Message #34 received at 79180 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: spd <at> toadstyle.org, 79180 <at> debbugs.gnu.org
Subject: Re: bug#79180: 31.0.50; Customize-browse emits treesit warnings
Date: Sun, 10 Aug 2025 20:49:19 +0300

>> >> This new option was discussed many times on emacs-devel,
>> >> and here it's finally implemented.  As an example the patch
>> >> demonstrates the required changes only for markdown-ts-mode, and
>> >> similarly the same changes will be applied to all other ts-modes:
>> >
>> > Sorry, I'm probably missing something: this patch seems to completely
>> > remove the warning about manual activation of, say, markdown-ts-mode
>> > when the grammar library is not installed?
>> 
>> It removes the warning during loading the markdown-ts-mode.el package
>> with e.g. `(require 'markdown-ts-mode)`.
>
> And if the mode is loaded via some autoload cookie?

Yes.

>> > IOW, what happens under this patch if the user says "M-x
>> > markdown-ts-mode RET" and the grammar library is not installed?
>> 
>> It proposes to install the grammar library:
>> 
>>   Tree-sitter grammar for `markdown' is missing; install it? (y or n)
>
> How does that work?

'markdown-ts-mode' ensures this with (treesit-ensure-installed 'markdown).

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