
	interp create x
	x eval {set argc 2}
	x eval {set argv "-geometry 10x10+0+0"}
	x eval {load {} Tk}
	x eval {
	    button .b -text hello
	    bind .b <Destroy> foo
	}
	x alias foo destroy_x
	proc destroy_x {} {interp delete x}
	update
	exit
    
