to maintainers 
      of the system itself.

  </dd><dt><tt>-nopositions</tt>          
  </dt><dd>This option keeps CUP from generating code to propagate the left
      and right hand values of terminals to non-terminals, and then from
      non-terminals to other terminals.  If the left and right values aren't
      going to be used by the parser, then it will save some runtime
      computation to not generate these position propagations.  This option
      also keeps the left and right label variables f