      function word [ () ] ... { list }
      word ... () { list }
      word ... () sublist
	   Define a function which is referenced by  any  one
	   of  word.   Normally,  only  one word is provided;
	   multiple words are usually only useful for setting
	   traps.   The  body  of  the  function  is the list
	   between the { and }.  See FUNCTIONS below.
