+ if ! xmllint --nonet --valid --noout $(find doc/ -maxdepth 1 -name '*.xml'); then
+ echo >&2 'WARNING: original docbook manpages have errors!'
+ elif ! xmllint --nonet --valid --noout $(find doc/ -mindepth 2 -maxdepth 2 -name '*.xml'); then
+ echo >&2 'WARNING: translated docbook manpages have errors, but originals are okay!'
+ fi