Git commits in Moodle 2.6.0 by Alain Corbière

commit 11b4ad97f4b3a12b6aaf22223ce1834b3247003c
Author: Alain Corbière <alain.corbiere@univ-lemans.fr>
Date:   Wed, 09 Oct 2013 21:40:38 +0800
Tag:    v2.6.0-beta

MDL-41672 Fix html2text processing of multiple occurrences of the same URL