Git commits in Moodle 2.6.5 by Daniel Thies

commit 3b80e3f77aee8bac4e5ba07eaebf09bfe8d1b662
Author: Daniel Thies <dthies@ccal.edu>
Date:   Fri, 25 Jul 2014 03:06:02 +0800
Tag:    v2.6.5

MDL-45044 filter_tex: properly escape excutable pathnames for Windows