GNU bug report logs - #75978
31.0.50; Using fill-region doesn't produce commented lines in go-ts-mode

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From: Eli Zaretskii <eliz <at> gnu.org>
To: the_wurfkreuz <the_wurfkreuz <at> proton.me>, Randy Taylor <dev <at> rjt.dev>, Yuan Fu <casouri <at> gmail.com>
Cc: 75978 <at> debbugs.gnu.org
Subject: bug#75978: 31.0.50; Using fill-region doesn't produce commented lines in go-ts-mode
Date: Sat, 08 Feb 2025 12:47:52 +0200

> Date: Fri, 31 Jan 2025 19:21:40 +0000
> From:  the_wurfkreuz via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> I noticed that, unlike in other built-in language modes, in go-ts-mode, using fill-region on a comment line
> doesn't automatically comment the new line.
> 
> Steps to reproduce:
> 1. emacs -Q
> 2. Paste this text so that it takes only a single line: "To make our function interact with Waitgroup, we need to
> send a reference to this group. Once we have its reference, the function can defer, calling Done(), to ensure
> that we signal correctly for our group every time the function is complete."
> 3. Run set-mark-command and select the whole line using
> move-beginning-of-line.
> 4. Enable go-ts-mode (assuming that the grammar is already compiled).
> 5. Use comment-region on the selected text.
> 6. Then select the whole line again and execute fill-region.
> The newly created lines aren't commented. If I do the same thing in 
> python-ts-mode, the new lines are commented out.

Randy and Yuan, any comments or suggestions?

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