I just tested this with two Terminal windows running under OS 10.5.6. I didn't get the + icon indicating I could drag, but dragging still worked. It helps if y

I just tested this with two Terminal windows running under OS 10.5.6. I didn't get the + icon indicating I could drag, but dragging still worked. It helps if you lift your finger slightly as you click. It doesn't detract from the speed of the operation and makes it much more reliable.