bug#66711: treesit-default-defun-skipper moves to bol if there is any whitespace

[Eli Zaretskii]

Ping!  Yuan, any comments?

> Cc: 66711@debbugs.gnu.org
> Date: Sun, 29 Oct 2023 13:53:27 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Dominik Honnef <dominik@honnef.co>
> > Date: Mon, 23 Oct 2023 19:41:24 +0200
> > 
> > treesit-default-defun-skipper has the following bit of code:
> > 
> >     ;; Moving backward, but there are some whitespace (and only
> >     ;; whitespace) between point and BOL: go back to BOL.
> >     ((looking-back (rx (+ (or " " "\t")))
> >                    (line-beginning-position))
> >      (beginning-of-line))))
> > 
> > However, as written, the regexp matches if there is any whitespace
> > before point, not if there is only whitespace.
> 
> Yuan, any comments?
> 
> 
> 
>