Git commits in Moodle 3.7.5 by Mihail Geshoski

commit 7ef572d39ec9ab675b5c971fd3794dd5d053c4ab
Author: Mihail Geshoski <mihail@moodle.com>
Date:   Wed, 22 Jan 2020 13:37:07 +0800
Tag:    v3.7.5

MDL-66897 mod_assign: Properly display error messages in quick grading