Developer credits
Git commits in Moodle x.x.x by Juergen Zimmer
commit 895d364bcf865729cf1ebe3485962390c0147e2e Author: Juergen Zimmer <jzimmer@silverserver.at> Date: Fri, 20 Jul 2012 01:15:38 +0800 Tag: v2.4.0-beta MDL-34118 question backup: fixes for usage prefixes in backups.