bug#70299: 30.0.50; go-ts-mode + tree-sitter-go@v0.20.0 no highlighting

[Yuan Fu <casouri@gmail.com>]

> On Apr 8, 2024, at 10:23 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> Date: Tue, 9 Apr 2024 00:43:57 +0100
>> From:  Martin via "Bug reports for GNU Emacs,
>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> - emacs -Q;
>> - M-x treesit-install-language-grammar
>>  - go
>>  - github.com/tree-sitter/tree-sitter-go
>> 
>> - Open up a new buffer and use go-ts-mode
>> - Write some go-code 
>> ```
>> package my_pkg
>> type myStruct struct {}
>> func MyFunc(x context.Context) error {}
>> ```
>> - Observe that there is no syntax highlighting
>> - Observe that treesit-explore-mode seems to work properly
>> - Conclude that there is something wrong with go-ts-mode's
>>  highlighting. There is highlighting with tree-sitter-go v0.19.1, but
>>  that grammar also seems to come with some bugs.
> 
> Isn't this a duplicate of bug#70296?

Yeah, Martin contacted me on Reddit because he didn’t know how to report this issue, and I told him he can use M-x bug-report-emacs, which he did. Thanks Martin!

Meanwhile I wrote a patch and sent it in bug#70296. Let me merge these two reports.

Yuan