xxx ...

                                                                                        1974-1   
inspect  DatX-1  tallying
   Dat9-2  for  characters  [ before  initial  DatX-4 ]  ...
                data-spec*    after            LitX-4
                
                ...              
   ...

data-spec*
   leading   DatX-3   
   all       LitX-3 
   -------- +:                                                                       Gnu COBOL         trailing