Nested percentage heights

outer
none
block:perc
table:perc
tr:auto
td:auto
tr:perc
td:perc
6
block:auto
inner
block:perc
table:perc
tr:perc
td:perc
replaced:perc
table:perc
tr:perc
table:perc
tr:perc
td:perc
tr:perc
td:perc
table:perc
td:perc