From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Nicolas Richard <theonewiththeevillook@yahoo.fr>
Cc: 17324-done@debbugs.gnu.org
Subject: bug#17324: 24.3.90; (wrong-type-argument number-or-marker-p nil) in redisplay--update-region-highlight
Date: Wed, 23 Apr 2014 08:54:18 -0400 [thread overview]
Message-ID: <jwv38h4gqny.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <87fvl49sib.fsf@geodiff-mac3.ulb.ac.be> (Nicolas Richard's message of "Wed, 23 Apr 2014 13:54:58 +0200")
> I got the following error (but I can't reproduce it in a fresh session) :
> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
> min(2623 nil)
[...]
> redisplay--update-region-highlight(#<window 3 on *Backtrace*>)
I've been tracking down this problem for a while now, but can't seem to
find its source. So I installed the patch below to work around it for now.
Stefan
--- lisp/simple.el 2014-04-12 19:20:44 +0000
+++ lisp/simple.el 2014-04-23 12:50:59 +0000
@@ -4495,7 +4495,12 @@
mode is enabled. Usually, such commands should use
`use-region-p' instead of this function, because `use-region-p'
also checks the value of `use-empty-active-region'."
- (and transient-mark-mode mark-active))
+ (and transient-mark-mode mark-active
+ ;; FIXME: Somehow we sometimes end up with mark-active non-nil but
+ ;; without the mark being set (e.g. bug#17324). We really should fix
+ ;; that problem, but in the mean time, let's make sure we don't say the
+ ;; region is active when there's no mark.
+ (mark)))
(defvar redisplay-unhighlight-region-function
prev parent reply other threads:[~2014-04-23 12:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 11:54 bug#17324: 24.3.90; (wrong-type-argument number-or-marker-p nil) in redisplay--update-region-highlight Nicolas Richard
2014-04-23 12:54 ` Stefan Monnier [this message]
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