>>>  IBM - MF - GNU p. 158 - 1985 - MX

initialize  DAT-1  ...
   [replacing
      Category*  by  DAT-2
                     Lit-2
      ...
   ]

Category*
   alphabetic
   alphanumeric
   alphanumric-edited
   numeric
   numeric-edited
   ... etc

ČeV - 6.5.2020