bug#64019: 29.0.91; Fix some tree-sitter :match regexps

[Dmitry Gutov]

On 13/06/2023 17:08, Basil Contovounesios wrote:
> Dmitry Gutov [2023-06-13 00:33 +0300] wrote:
>
> > On 12/06/2023 17:25, Basil L. Contovounesios via Bug reports for GNU Emacs, the
> > Swiss army knife of text editors wrote:
> > > -      (:match "^DEFUN$" @fn))
> > > +      (:match "\\`DEFUN\\'" @fn))
> > FWIW, most of these changes are superfluous, practically speaking
> I'm less concerned about the trivial bol/bos conversions in the patch
> and more about the corrections to incorrect regexps, such as:
> - the more benign \(:?...\) -> \(?:...\)
> - and the less benign [\d] -> [0-9].

Yep, these look valuable. Thanks.