Author: Mike Churchward
MDL-68541 editor-atto: Limiting alt text length, changing ignore text.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7e03b27dd9302ab401465be51967229696d37aad
http://github.com/moodle/moodle/commit/7e03b27dd9302ab401465be51967229696d37aad
+ 3.9 en [presentation,atto_image]