[Webkit-unassigned] [Bug 117088] New: [CSS Regions] monolithic elements can skip multiple regions (possibly all but the last) in search of a region that will fit them

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=117088

           Summary: [CSS Regions] monolithic elements can skip multiple
                    regions (possibly all but the last) in search of a
                    region that will fit them
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mibalan at adobe.com
                CC: WebkitBugTracker at adobe.com
            Blocks: 57312


The current fragmentation spec states that fragmentation should not create more than one (at most) empty fragmentainers. Currently, monolithic elements can be pushed through the whole region chain if a region that would fit them cannot be found.

Repro: Open attached file
Expected: video should render in the second region, possibly overflowing it
Actual: the video skips all the regions but the last, where it's rendered, still overflowing the region

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