WebCore:

WebCore:

        Reviewed by Darin.

        <rdar://problem/5483567>
        REGRESSION (Tiger only, workaround in AppKit on Leopard): Pasting words copied from TextEdit in Mail adds extra newline

        * editing/ReplaceSelectionCommand.cpp:
        (WebCore::ReplaceSelectionCommand::removeUnrenderedNodes): Added.
        (WebCore::ReplaceSelectionCommand::doApply): Call removeUnrenderedNodes
        to prevent unrendered spaces from interfering with paragraph merging.
        * editing/ReplaceSelectionCommand.h:

LayoutTests:

        Reviewed by Darin.

        <rdar://problem/5483567>
        REGRESSION (Tiger only, workaround in AppKit on Leopard): Pasting words copied from TextEdit in Mail adds extra newline

        Demonstrate fix:
        * editing/pasteboard/5483567.html: Added.
        * platform/mac/editing/pasteboard/5483567-expected.checksum: Added.
        * platform/mac/editing/pasteboard/5483567-expected.png: Added.
        * platform/mac/editing/pasteboard/5483567-expected.txt: Added.

        Unrendered nodes removed:
        * editing/pasteboard/nested-blocks-with-text-area-expected.txt:
        * editing/pasteboard/nested-blocks-with-text-field-expected.txt:
        * editing/pasteboard/paste-RTFD-expected.txt:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@25721 268f45cc-cd09-0410-ab3c-d52691b4dbfc