added a todo item for tab/blockselection improvement
added a todo item for tab/blockselection improvement

svn path=/trunk/KDE/kdelibs/kate/; revision=717193

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