[Webkit-unassigned] [Bug 137506] New: position: absolute default location miscalculated in multi column layout

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=137506

           Summary: position: absolute default location miscalculated in
                    multi column layout
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bennoblumenthal at gmail.com


Created an attachment (id=239440)
 --> (https://bugs.webkit.org/attachment.cgi?id=239440&action=review)
simple css tooltop implementation which shows position: absolute bug in multi column layout

In a multi-column layout, elements with position: absolute   and a default location (i.e. browser placed) are not all placed properly.  The first column is fine, the second column places static elements properly in the second column, but position: absolute elements are places where they would have been in a single column layout.  The enclosed example is a simple css tooltip implementation, where a mouse-over ("hover") a term displays the extended definition of the term.  THe first column works fine; the second column has extended definitions that appear below the first column.

Firefox (32 tested) has no problem with this.

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