Git commits in Moodle 3.8.2 by Paul Holden

commit e53dadd3a1fd452e20c24536516384129a54d1e6
Author: Paul Holden <pholden@greenhead.ac.uk>
Date:   Wed, 12 Jun 2019 23:13:29 +0800
Tag:    v3.8.2

MDL-65884 filters: update exclusive separator characters for tags.