make the code a bit clearer, use KTextEditor::Range::invalid() to send an invalid range.
make the code a bit clearer, use KTextEditor::Range::invalid() to send an invalid range.

svn path=/trunk/KDE/kdelibs/kate/; revision=877499

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