Author: Mark Nelson
MDL-49182 core_course: minor changes to deleting section strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5962f0df5d72771c3bc382c164fece592f642039
http://github.com/moodle/moodle/commit/5962f0df5d72771c3bc382c164fece592f642039
+ 2.9 en [confirmdeletesection,core]