[webkit-dev] Order of positioned elements

[Yael.Aharon at nokia.com]

Hi,
I am working on improving the spatial algorithm in webkit, and I have a problem with positioned elements that do not have a z-index defined.
If I have 2 elements that are intersecting, I need to find out which element is covering the other. Is it safe to assume that the last element in tree order will cover the previous element, if they have the same z-index? If not, how can I determine which element is covering the other?
thanks, Yael

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