Author: Huong Nguyen
MDL-71126 Quiz: Manual grading page size preference can get stuck at 0
Including in this change:
- New positiveint regex rule to check if the value is a positive integer
http://git.moodle.org/gw?p=moodle.git;a=commit;h=03aa22e05c6284afa3afd9c281804deb564b4f76
http://github.com/moodle/moodle/commit/03aa22e05c6284afa3afd9c281804deb564b4f76
+ 3.10 en [err_positiveint,core_form]