Reviewed by levi

        * editing/deleting/delete-4038408-fix-expected.txt:
        * editing/input/attributed-substring-from-range-lines-expected.txt:
        * editing/inserting/insert-3654864-fix-expected.txt:
        * editing/inserting/insert-3659587-fix-expected.txt:
        * editing/inserting/insert-3775316-fix-expected.txt:
        * editing/inserting/insert-at-end-01-expected.txt:
        * editing/inserting/insert-at-end-02-expected.txt:
        * editing/inserting/insert-br-001-expected.txt:
        * editing/inserting/insert-br-005-expected.txt:

WebCore:

        Reviewed by levi
        
        Fixed some comments and removed an unused variable.

        * editing/CompositeEditCommand.cpp:
        (WebCore::CompositeEditCommand::removeBlockPlaceholder):
        Don't remove a br if it isn't at the start of a block, since
        it isn't really a "block placeholder".
        * editing/DeleteSelectionCommand.cpp:
        (WebCore::DeleteSelectionCommand::initializePositionData):
        (WebCore::DeleteSelectionCommand::mergeParagraphs):
        (WebCore::DeleteSelectionCommand::doApply):
        * editing/InsertLineBreakCommand.cpp:
        (WebCore::InsertLineBreakCommand::doApply):
        * editing/ReplaceSelectionCommand.cpp:
        (WebCore::ReplaceSelectionCommand::doApply):
        (WebCore::ReplaceSelectionCommand::completeHTMLReplacement):
        * editing/htmlediting.cpp:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@14768 268f45cc-cd09-0410-ab3c-d52691b4dbfc