Test break-all applied to span works as expected.
AAAA
X
XXXXX
AAAAA
X
XXXXX
AAAAAA
X
XXXXX
A AA
X
XXXXX
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