class="ab" class="a	b" class="a
b" class="ab" class="ab" class="a
b" class="a
b" class="a
b" class="a b" class="a  b"
[class~="a"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="ab"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\9 b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\a b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\b b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\c b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\d b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\d\a b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\d\b b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[class~="a\ \ b"] XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX