Reported by Anton Prowse
It is undefined whether a replaced box can be a table box or an internal table box.
Created attachment 1155 [details]
Test case for how replaced boxes that are specified with display:table-cell are treated
Created attachment 1156 [details]
Reftest for test case for how replaced boxes that are specified with display:table-cell are treated
It seems reasonable that a replaced box may be a table-cell box, yet none of Gecko, Webkit and Opera permit this; instead they appear to wrap the replaced box in an anonymous table cell, and change the display type of the replaced box.
See attachments above.
Trident seems fine with the idea of a replaced table-cell.