Git commits in Moodle 1.6.x by whchuang

commit 2fa9af0d788e2845aa5c7222d3dc711afecdf229
Author: whchuang <whchuang>
Date:   Wed, 03 Oct 2007 08:00:11 +0800
Tag:    v1.6.6

added missing string definition for sectionerror. Fixed MDL-10766