Dmitry Gutov <dgutov@yandex.ru> writes:

> On 09/12/2022 17:13, Theodor Thornhill via Bug reports for GNU Emacs, 
> the Swiss army knife of text editors wrote:
>>>> Something like this?
>>>
>>> Yes. But... :-)
>>>
>>> I guess you can replace (regexp-opt '("comment")) with just "comment"?
>>> Both regexps are equivalent, and neither uses anchoring (like \` and
>>> \'). Should they have anchoring?
>>>
>> 
>> Hehe, I did that first, but I trusted you knew some secret about that
>> expression.  No, we get the names, so I think it's good.
>
> Shouldn't trust me that much ;-)
>

:-)

> It could be a problem if some grammar somewhere will have a node type 
> called "not_comment", and the regexp will still match it. Or 
> "pseudo_string", etc.
>
> Not sure how realistic that scenario is, up to you. The authors of such 
> major modes could opt for a stricted regexp individually, too.
>

Right.  Yeah, I don't think it'll be a problem, but better to be on the
safe side.  Tweaked the regexp a little

>>> The programs.texi addition should probably mention refilling too.
>>>
>> 
>> Good point.  Will fix that.
>
> Still not ideal: it says "refill all the lines within a defun", but the 
> refilling step only touches the paragraph around point.
>
> Also about NEWS: "textual element" is a little value; it really refills 
> a single paragraph. That distinction is meaningful when a string or a 
> comment are long, containing several paragraphs inside.

Something like this?

Theo