[Webkit-unassigned] [Bug 9590] New: REGRESSION: Odd highlighting effects after deleting, then typing in new textarea

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=9590

           Summary: REGRESSION: Odd highlighting effects after deleting,
                    then typing in new textarea
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: Regression, NativeTextArea
          Severity: normal
          Priority: P1
         Component: Forms
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: ddkilzer at kilzer.net
                CC: adele at apple.com, darin at apple.com


Steps to reproduce:

1. Open a web page with a text area, like
this:  data:text/html,<textarea%20rows="5"></textarea>
2. Hit Enter on the first line.
3. Type some text on the second line, then delete at least one character, then
continue typing.  Note that the margin becomes highlighted.
4. Hit enter.  Note that the entire next line becomes highlighted, even after
typing, until the delete key is hit at least once, or the line wraps.

Expected results:

None of the odd highlighting effects in Steps 3 or 4 should occur.

Actual results:

The odd highlighting effects in Steps 3 and 4 occur.

Regression:

This does not occur on Safari 2.0.3 (417.9.3) on Mac OS X 10.4.6
(8I127/PowerPC).

Notes:

This bug was reproduced with ToT WebKit r15043.  I will post a short movie
demonstrating the issue.


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