Quote:
Originally Posted by pepak
Are you sure about that? I am almost certain selectors such as :first-child and + are a part of CSS2.1 and most certainly it's not enough to know the parent tree to render them.
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Shouldn't just the parent tree be enough for first child and +? Where parent tree actually means not just parents but all siblings that occur before a given element in document order as well. Perhaps pre-tree would be a better term.