Subject: bug#16975: 24.3.50; redisplay--update-region-highlight: (wrong-type-argument number-or-marker-p nil)

From: Stefan Monnier <[email-masked]>
Date: Sun, 09 Mar 2014 22:56:46 -0400

I've seen the above bug as well (tho don't have a recipe for it yet
either).  Not sure exactly where it's coming from, but I have a few
potential culprits lined up.

        Stefan