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bug#28850: 26.0.90; Error running timer 'jit-lock-stealth-fontify': (err
bug#28850: 26.0.90; Error running timer 'jit-lock-stealth-fontify': (error "Invalid search bound (wrong side of point)")
Mon, 6 May 2019 18:10:43 +0000
On Mon, May 06, 2019 at 18:35:28 +0300, Eli Zaretskii wrote:
> > Date: Sun, 5 May 2019 09:06:22 +0000
> > Cc: address@hidden, address@hidden
> > From: Alan Mackenzie <address@hidden>
> > That's the theory. The fix, which is now obvious, is to (setq
> > before-sws-pos ...) after moving back over a macro. Perhaps I should
> > check the result of c-down-list-backward too, but that's to be done
> > after checking the current fix.
> > I can't actually test this myself, so would you please try out the patch
> > below in your test setup, and let me know whether it fixes this nasty
> > bug.
> With this patch, the problem is gone, so I guess you hit the nail on
> the head. Thanks.
Thank you! I've committed that patch.
> (In terms of testing, I think you can visit textprop.c, then turn on
> jit-lock-stealth, and let Emacs run for a while. Without the patch,
> you should see the error message pretty soon.)
Are you sure you mean textprop.c? With jit-lock-stealth-mode enabled, I
couldn't get the error on textprop.c. That file only has seven CPP
constructs, all right near the start of the buffer, and none of them
seem to have the closing brace/bracket/parenthesis in the right place to
trigger the error.
Anyway, it's probably not that important. There was definitely a bug in
CC Mode at that place in c-beginning-of-statement-1, and there was
definitely a bug in CC Mode which threw an exception in your stealthy
fontification. The patch appears to have fixed both.
I'll close bug #28850 (again), seeing as how Basil C. has confirmed that
"his" bug is fixed, too.
Alan Mackenzie (Nuremberg, Germany).