Author: Issam Taboubi
MDL-71301 qtype_gapselect: Make blank answer box labels more meaningful
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fbbb7da0f6181635b52ec3b0b52cf8ae586de452
http://github.com/moodle/moodle/commit/fbbb7da0f6181635b52ec3b0b52cf8ae586de452
+ 3.11 en [blanknumber,qtype_gapselect]