window name=widWin title="Widget = menu"
menu nitems=1 label="Widgets"
   menuitem label="Show arguments" func=showArgs
menu nitems=4 label="Test functions"
   menuitem label="Colours" func=testCol
   menuitem label="Line types" func=testLty
   menuitem label="Line widths" func=testLwd
   menuitem label="Point symbols" func=testPch
