Author: Andrew Davis
data MDL-23488 made available from/to work
http://git.moodle.org/gw?p=moodle.git;a=commit;h=656f1a97da9b1f481ec26c0d6671ffea5d2ea777
http://github.com/moodle/moodle/commit/656f1a97da9b1f481ec26c0d6671ffea5d2ea777
+ 1.9 en [expired,mod_data]
+ 1.9 en [notopenyet,mod_data]