bug#21072: Brave new mark-defun (and a testing tool)

[Eli Zaretskii]

> Date: Tue, 18 Apr 2017 07:04:10 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 21072@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>
> 
> > > Hmm, no, I wasn't really aware of folding (you mean via
> > > `outline-hide-sublevels', right?).
> > 
> > Actually, via Org-mode.  Is there anyone who does that
> > without Org-mode?  Out of curiosity: why???
> 
> Yes, I do. ;-)

And so do I.

> And so do you, if you use `C-h n' (`view-emacs-news') and
> you sometimes hide sublevels there.

Right.