[Webkit-unassigned] [Bug 77322] New: No need to keep anonymous RenderBlock in DETAILS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77322

           Summary: No need to keep anonymous RenderBlock in DETAILS
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: shinyak at chromium.org


When detaching children of DETAILS element, anonymous RenderBlock may be left.
It was introduced to prevent crash in r81812, but actually it is not necessary now.

It often keeps unnecessary anonymous RenderObjects, and causes unexpected text diff mismatch when tweaking content element.

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