[Webkit-unassigned] [Bug 92506] New: [CSSRegions]Region overset property is incorectly computed when content has negative letter spacing and is flowed near to the edge of a region

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92506

           Summary: [CSSRegions]Region overset property is incorectly
                    computed when content has negative letter spacing and
                    is flowed near to the edge of a region
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: onea at adobe.com


Created an attachment (id=154946)
 --> (https://bugs.webkit.org/attachment.cgi?id=154946&action=review)
repro 1

When at least one region in the region chain has content with negative letter spacing, and the content is flowed close to the edge (or is just flowed from right-to-left), the region overset for all regions except for the last one is computed as "overflow", even though the correct values (for both repro's attached) should be "fit", "empty", "empty" and "empty" (are computed as "overflow", "overflow", "overflow", "fit").

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