allow to replace with nothing. BUG: 101895 Could someone please backport?
allow to replace with nothing.
BUG: 101895
Could someone please backport?

svn path=/trunk/kdelibs/kate/; revision=398969

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