In all the following tests there is a relatively positioned yellow box with a non zero top position (40px) and a right float inside. There is no clear.

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a float
In IE6-/Win & IE5/Mac the float is displayed as if this were in its original position.
a float
The box has hasLayout; IE6-/Win is OK.
a float
The float has position:relative; IE6-/Win is OK.

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