[Webkit-unassigned] [Bug 70179] New: Hang using arrow keys to move off the end of contenteditable element with :before :after

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70179

           Summary: Hang using arrow keys to move off the end of
                    contenteditable element with :before :after
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: data:text/html;charset=utf-8,%3C!DOCTYPE%20html%3E%0A%
                    0A%3Chtml%3E%0A%3Chead%3E%0A%09%3Cstyle%3E%20div%3Abef
                    ore%2C%20div%3Aafter%7B%20content%3A%20'%22'%3B%20%7D%
                    3C%2Fstyle%3E%0A%3C%2Fhead%3E%0A%0A%3Cbody%3E%0A%09%3C
                    div%20contenteditable%3EClick%20in%20me%2C%20then%20us
                    e%20the%20arrow%20keys%20to%20move%20the%20insertion%2
                    0point%20off%20the%20end.%3C%2Fdiv%3E%0A%3C%2Fbody%3E%
                    0A%3C%2Fhtml%3E
        OS/Version: Mac OS X 10.7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: s+webkit at sidneysm.com


Created an attachment (id=111140)
 --> (https://bugs.webkit.org/attachment.cgi?id=111140&action=review)
Sample of a Chrome helper process hung on this bug

When I create a contenteditable element and give it :before or :after content, and use the cursor keys to move "into" the :before or :after content, the process hangs.

I have not yet been able to test this on other OSs/platforms.

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