Ken, my reply to OP was this https://moodle.org/mod/forum/discuss.php?d=452593#p1818916. The one you are referring to is a general comment chiming in with Emma https://moodle.org/mod/forum/discuss.php?d=452593#p1819264.
Anyway the case has a history: https://moodle.org/mod/forum/discuss.php?d=420174#p1693311.