 Usage:  print(di{, l_num, c_num} {, filename})   
 
 Input:

  di                     Display 
                         
                         
  l_num                  integer, 1 ... count of lines of di 
                         
                         
  c_num                  integer, 1 ... count of columns of di 
                         
                         
  filename               string, a name of a ps-file 
                         
                         
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(C) MD*TECH Method and Data Technologies, 17.8.2000
