GRAPHPRB
   Demonstrate the use of GRAPH_PAPER.
  
 PS_CREATE
   Deleted old copy of hexagonal_1.ps
  
 PS_CREATE
   Deleted old copy of polar_1.ps
  
 PS_CREATE
   Deleted old copy of triangular_1.ps
  
 PS_CREATE
   Deleted old copy of uniform_1.ps
  
 PS_CREATE
   Deleted old copy of uniform_2.ps
  
 GRAPHPRB
   Normal end of GRAPH_PAPER tests.