bug#23917: Please consider making Bug #23917 a blocker for 25.1 (was Re: org-capture: Capture template ‘g’: Match data clobbered by buffer modification hooks)

[Eli Zaretskii]

> From: npostavs@users.sourceforge.net
> Cc: Eli Zaretskii <eliz@gnu.org>,  23917@debbugs.gnu.org,  
> nljlistbox2@gmail.com,  jwiegley@gmail.com,  rpluim@gmail.com,  
> alex.bennee@linaro.org
> Date: Wed, 20 Jul 2016 20:56:28 -0400
> 
> >> Maybe there's a misunderstanding.  What Noam suggested was just to
> >> move the code which adjusts search_regs.start[i] and .end[i] to before
> >> the call to replace_range.
> >
> > Oh, right, that's also an option.  It might suffer from another problem,
> > which is that the match-data will be broken while the
> > before-change-functions are run, so if there's a save-match-data there
> > we're back to square one.
> 
> Solution: adjust in between the before and after change functions.
> Patch below.  I think there shouldn't be performance problems, although
> it does add yet another flag to replace_range (by the way, I noticed
> that the MARKERS flags is never 0, so it's redundant).  I tested with
> the attached bug-23917-match-data-buffer-modhook.el.

Thanks.

Please also make sure bug#23869 is still fixed after this.