Author: Damyon Wiese
MDL-46548 grades: Add warning to export form when users with no idnumber are excluded.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6c6d05a65135ef4674806ca59d589582ef5f03fb
http://github.com/moodle/moodle/commit/6c6d05a65135ef4674806ca59d589582ef5f03fb
- 2.8 en [useridnumberwarning,gradeexport_xml]
+ 2.8 en [useridnumberwarning,core_grades]