Author: Brian Barnes
MDL-48519 accessibility: improved accessibility of user filters
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ff6744c5e258c9cf5d1a134037de9238b810e985
http://github.com/moodle/moodle/commit/ff6744c5e258c9cf5d1a134037de9238b810e985
+ 2.9 en [coursecategory,core_filters]
+ 2.9 en [coursevalue,core_filters]
+ 2.9 en [limiterfor,core_filters]
+ 2.9 en [profilefilterfield,core_filters]
+ 2.9 en [profilefilterlimiter,core_filters]
+ 2.9 en [valuefor,core_filters]