+bool multipleCellsSelected(Cursor const & cur)
+{
+ if (!cur.selection() || !cur.inMathed())
+ return false;
+
+ CursorSlice i1 = cur.selBegin();
+ CursorSlice i2 = cur.selEnd();
+ if (!i1.inset().asInsetMath())
+ return false;
+
+ if (i1.idx() == i2.idx())
+ return false;
+
+ return true;
+}
+
+