Merge branch 'upstream-expat' into update-expat

# By Expat Upstream
* upstream-expat:
  expat 2020-10-03 (162e16b0)
14 jobs for update-expat
Status Job ID Name Coverage
  External
passed cdash

passed ghostflow-check-master

passed ghostflow-stager

passed cdash

passed cdash

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager