GNU bug report logs - #71048
The manual should have an example for treesit-language-at-point-function

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dmitry <at> gutov.dev>
To: bug-gnu-emacs <at> gnu.org
Subject: The manual should have an example for
 treesit-language-at-point-function
Date: Sun, 19 May 2024 02:00:23 +0300

https://www.gnu.org/software/emacs/manual/html_node/elisp/Multiple-Languages.html 
has code examples for multiple-language setup (with tree-sitter modes), 
and it more-or-less says that treesit-language-at-point-function should 
be set.

But there is a default behavior for when it's not set, and the code 
snippets in the second half of the page don't set it, so it seems prone 
to mistakes.

I think the examples should include a setting for 
treesit-language-at-point-function.

Inspired by https://github.com/dgutov/mmm-mode/issues/142

Message #8 received at 71048 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Dmitry Gutov <dmitry <at> gutov.dev>, Yuan Fu <casouri <at> gmail.com>
Cc: 71048 <at> debbugs.gnu.org
Subject: Re: bug#71048: The manual should have an example for
 treesit-language-at-point-function
Date: Sun, 19 May 2024 08:56:32 +0300

> Date: Sun, 19 May 2024 02:00:23 +0300
> From: Dmitry Gutov <dmitry <at> gutov.dev>
> 
> https://www.gnu.org/software/emacs/manual/html_node/elisp/Multiple-Languages.html 
> has code examples for multiple-language setup (with tree-sitter modes), 
> and it more-or-less says that treesit-language-at-point-function should 
> be set.
> 
> But there is a default behavior for when it's not set, and the code 
> snippets in the second half of the page don't set it, so it seems prone 
> to mistakes.
> 
> I think the examples should include a setting for 
> treesit-language-at-point-function.
> 
> Inspired by https://github.com/dgutov/mmm-mode/issues/142

Yuan, could you please add such examples?

Message #13 received at 71048-done <at> debbugs.gnu.org (full text, mbox):

From: Yuan Fu <casouri <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Dmitry Gutov <dmitry <at> gutov.dev>, 71048-done <at> debbugs.gnu.org
Subject: Re: bug#71048: The manual should have an example for
 treesit-language-at-point-function
Date: Tue, 21 May 2024 23:23:32 -0700

> On May 18, 2024, at 10:56 PM, Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
>> Date: Sun, 19 May 2024 02:00:23 +0300
>> From: Dmitry Gutov <dmitry <at> gutov.dev>
>> 
>> https://www.gnu.org/software/emacs/manual/html_node/elisp/Multiple-Languages.html 
>> has code examples for multiple-language setup (with tree-sitter modes), 
>> and it more-or-less says that treesit-language-at-point-function should 
>> be set.
>> 
>> But there is a default behavior for when it's not set, and the code 
>> snippets in the second half of the page don't set it, so it seems prone 
>> to mistakes.
>> 
>> I think the examples should include a setting for 
>> treesit-language-at-point-function.
>> 
>> Inspired by https://github.com/dgutov/mmm-mode/issues/142
> 
> Yuan, could you please add such examples?

Yes, I think that’s a good suggestion, and I just did that.

Yuan

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