[Webkit-unassigned] [Bug 70177] New: parseMappedAttribute has no way of knowing if an attribute's value has changed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70177

           Summary: parseMappedAttribute has no way of knowing if an
                    attribute's value has changed
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jchaffraix at webkit.org
                CC: darin at apple.com


Some of the classes that we have in html/ are storing the attribute's value to check if it has changed. If we had a way of getting the old value, we make better memory / speed trade-offs in those cases.

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