[Webkit-unassigned] [Bug 12639] New: renderlayers scroll by less than a page upon PageUp/PageDown

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12639

           Summary: renderlayers scroll by less than a page upon
                    PageUp/PageDown
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alice.liu at apple.com


* SUMMARY
I noticed that pressing pageup/down in an overflow div doesn't really scroll by
a whole page.  It seems to scroll by ~2 lines less than a whole page.  This is
different from FF behavior which scrolls by an entire page.

* STEPS TO REPRODUCE
1. open attached test case
2. focus the overflow div and press pagedown

* RESULTS:
screenshot shows Safari on Left, Firefox on Right, with initial state on top
and results on bottom


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