Re: Tree sitter support for C-like languages

[Eli Zaretskii]

> From: Yuan Fu <casouri@gmail.com>
> Date: Mon, 14 Nov 2022 00:35:47 -0800
> Cc: Eli Zaretskii <eliz@gnu.org>,
>  Theodor Thornhill <theo@thornhill.no>,
>  emacs-devel <emacs-devel@gnu.org>,
>  monnier@iro.umontreal.ca
> 
> That’s a good perspective. But from what I see I think it’s best not to 
> fontify these “errors”, at least for C and C++. Because a lot of things could 
> be marked “error” in a C file, like stuff around macros. And in extreme cases 
> the whole file is marked “error”, even though if we ignore the error 
> everything is parsed fine. I guess tree-sitter isn’t happy about some tiny 
> thing in that file but never the less can parse everything correctly. I 
> attached that file below.

If these false positives happen frequently, it could be a user option;
some users will prefer false positives to false negatives.  But I
definitely think that the warning face can be a valuable feature in
some use cases, so flatly dismissing it is probably not the best
alternative.