Folgende Syntax wird für das ENTRY Statement erkannt:

>>-ENTRY--literal-1--------------------------------------------->

>--+--------------------------------------------------------+--->
   |        .---------------------------------------------. |   
   |        |                          .--------------.   | |   
   |        V                          V              |   | |   
   '-USING------+-------------------+----identifier-1-+---+-'   
                +-+----+--REFERENCE-+                           
                | '-BY-'            |                           
                '-+----+--VALUE-----'                           
                  '-BY-'                                        

>--.-----------------------------------------------------------><