Author: Petr Škoda
MDL-35289 add missing charmap usage info string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d184770c60884ff80dfa31ccd453751e1dd5b66d
http://github.com/moodle/moodle/commit/d184770c60884ff80dfa31ccd453751e1dd5b66d
+ 2.2 en [advanced_dlg:charmap_usage,editor_tinymce]