Re: bug#23675: Feature request: Emacs 25.0.94: count-lines should offer a way to ignore invisible lines, e.g. outline mode

[Lars Ingebrigtsen]

Robert Weiner <rsw@gnu.org> writes:

> Attached is a patch to add this feature based on 25.0.94.  Please
> consider applying it to Emacs.  I have also included the full new
> version of the function below.

There were some comments about implementing this based on other
functions, but that was never followed up, so I went ahead and applied
the patch to Emacs 28.  Further improvements are left as an exercise for
the reader.

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