Reviewed by John.

    Reviewed by John.

	<rdar://problem/4053266> Pressing return a few times right after a link makes the new blank lines part of the link

        * khtml/editing/htmlediting.cpp:
	(khtml::InsertLineBreakCommand::doApply): Use
	positionOutsideContainingSpecialElement in the right two places.
        (khtml::InsertParagraphSeparatorCommand::doApply): Ditto.

	- move all these helper functions higher in the file

        * khtml/editing/htmlediting.cpp:
        (khtml::isSpecialElement):
        (khtml::isFirstVisiblePositionInSpecialElement):
        (khtml::positionBeforeNode):
        (khtml::positionBeforeContainingSpecialElement):
        (khtml::maxRangeOffset):
        (khtml::isLastVisiblePositionInSpecialElement):
        (khtml::positionAfterNode):
        (khtml::positionAfterContainingSpecialElement):
        (khtml::positionOutsideContainingSpecialElement):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8900 268f45cc-cd09-0410-ab3c-d52691b4dbfc