[Webkit-unassigned] [Bug 160507] New: The mfenced element does no update correctly when its child list is changed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160507

            Bug ID: 160507
           Summary: The mfenced element does no update correctly when its
                    child list is changed
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: MathML
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr

Created attachment 285227
  --> https://bugs.webkit.org/attachment.cgi?id=285227&action=review
Patch

See the attached testcase.

This is the classical issue when using anonymous nodes without managing addChild/removeChild properly. Fixing this issue while keeping anonymous nodes will lead to the same complexity as in old root and scripts implementations.

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