233306 - percent height observer should be limited to quirks mode

Status: NEW

(Core :: Layout: Tables, defect)

Description

[Bernd]

currently there is a mechanism for childs of a table cell to get a valid
computed height even if no height on the table cell is specified. Per css 2.1
the childs should have auto height as

The percentage is calculated with respect to the height of the generated box's
containing block. If the height of the containing block is not specified
explicitly (i.e., it depends on content height), and this element is not
absolutely positioned, the value is interpreted like 'auto'.