bug#26586: 25.1; header-line-format spins cpu

[Eli Zaretskii]

> From: Aaron Jensen <aaronjensen@gmail.com>
> Date: Fri, 21 Apr 2017 08:34:21 -0700
> Cc: 26586@debbugs.gnu.org
> 
> On Fri, Apr 21, 2017 at 7:51 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> >> So, I'm guessing that org-sticky-header needs to escape or remove
> >> elisp links before turning org headlines into a header?
> >
> > Yes, definitely.
> 
> Thanks. Maybe the author knows how, but for my benefit, how would I
> escape %'s in a propertized string while maintaining properties?

You need to replace % with %%, and then put the property on the
result.  Or make the replacement string have the property.  I think.