Git commits in Moodle 3.8.6 by Tim Hunt

commit 8a15c4e0cae4d23eca2856e5e35643117fdbe133
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 02 Oct 2020 00:01:50 +0800
Tag:    v3.8.6

MDL-69798 XML question export: excape special chars in idnumbers