[Webkit-unassigned] [Bug 47554] New: An inline element with an absolutely positioned child does not correctly calculate/render padding and margin

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=47554

           Summary: An inline element with an absolutely positioned child
                    does not correctly calculate/render padding and margin
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: chadwick at bugeats.net


Created an attachment (id=70560)
 --> (https://bugs.webkit.org/attachment.cgi?id=70560&action=review)
HTML page that recreates the issue

Given one or more inline elements with padding or margin ("spans") flowing inside a fixed container, adding an absolutely positioned child to the span causes the spans to overflow beyond the bounds of the container.  Removing the absolutely positioned child (or setting 'display: none') results in normal flow.

It appears as if the presence of the absolutely positioned child causes the margin/padding dimensions to not be summed, as the overflow is proportional to the cumulative margin and padding. 

The attached file renders correctly (or as expected) in Mozilla.

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