[Webkit-unassigned] [Bug 29981] New: REGRESSION (Safari 4.0.3-ToT): After pressing Shift-PageDown, pressing Shift-Up extends the top of the selection upwards (but should shrink the selection instead)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29981

           Summary: REGRESSION (Safari 4.0.3-ToT): After pressing
                    Shift-PageDown, pressing Shift-Up extends the top of
                    the selection upwards (but should shrink the selection
                    instead)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: data:text/html,%3Ctextarea%20rows=40%3Etest%0Atest%0At
                    est%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0
                    Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest
                    %0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ate
                    st%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0A
                    test%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%
                    0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ates
                    t%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0At
                    est%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0
                    Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest
                    %0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ate
                    st%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0A
                    test%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%
                    0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ates
                    t%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0At
                    est%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0
                    Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest
                    %0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ate
                    st%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0A
                    test%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%
                    0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ates
                    t%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0At
                    est%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0
                    Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest
                    %0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Ate
                    st%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0A
                    test%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%
                    3C/textarea%3E
        OS/Version: All
            Status: NEW
          Keywords: NeedsRadar, Regression
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: adele at apple.com, enrica at apple.com


To reproduce:

1. Go to
data:text/html,%3Ctextarea%20rows=40%3Etest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0
 Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%0Atest%3C/textarea%3E
2. Click at least one line below the top of the textarea
3. Press Shift-PageDown
4. Press Shift-Up

The top of the selection extends upwards. But the bottom of the extension
should shrink upwards, instead.

This happens on both Mac and Windows. It did not happen in Safari 4.0.3.

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