Git commits in Moodle 3.7.6 by cescobedo

commit 91e4d8f3d89de81679d5b1caf4e2265cc4048459
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Fri, 28 Feb 2020 05:09:05 +0800
Tag:    v3.7.6

MDL-67995 format_singleactivity: Fix dropwdown type of activity