fix normalize()
fix normalize()

only check columns if start and end lines are the same

svn path=/trunk/KDE/kdelibs/kate/; revision=888456

sandsmark/kate,hlamer/kate,jfmcarreira/kate,hlamer/kate,sandsmark/kate,cmacq2/kate,DickJ/kate,hlamer/kate,sandsmark/kate,DickJ/kate,jfmcarreira/kate,jfmcarreira/kate,hlamer/kate,hlamer/kate,hlamer/kate,cmacq2/kate,hlamer/kate,hlamer/kate,hlamer/kate,hlamer/kate,DickJ/kate,cmacq2/kate,DickJ/kate,sandsmark/kate