This very tiny FKEY moves the frontmost window so that its upper left corner is under the mouse.
There may be another FKEY that does this, but I needed it tonight when I temporarily changed from two monitors to one and White Knight insisted on putting its windows out in hyperspace where the old monitor used to be (why does Watson ever fix this?).
By David Fry: @frymath.harvard.EDU, @fryhuma1.bitnet.