bug#68233: 29.1; tree-sitter-hl-mode doesn't honor the :extend font face in single line comments

[Eli Zaretskii]

> Date: Tue, 02 Jan 2024 19:33:44 -0800
> From: Michael Labbé <mike@tossed.org>
> 
> In many, if not all supported languages, tree-sitter-hl-mode's font locking 
> does not honor the `:extend
> ` attribute of a face.  The [:extend face attribute]
> (https://www.gnu.org/software/emacs/manual/html_node/elisp/Face-Attributes.html)
>  is used to send a
> highlight past the newline character in a line.

I don't think tree-sitter-hl-mode is part of Emacs, is it?  If it
isn't part of Emacs, would you please report this first to the
developers of tree-sitter-hl-mode?

Thanks.