Test break-all applied to span works as expected.
AAAA
XXXXXX
AAAAA
XXXXXX
AAAAAA
XXXXXX
A AA
XXXXXX
AA AA
XXX
AAA AA
XXX
AAAA AA
XXX
AAAAA AA
XXX
AAA A
XXXX
AAAA A
XXXX
AAAAA A
XXXX
国国国国国、
XXX