Format 1: sequential file description entry

1  FD  ? ? IS EXTERNAL? ? IS GLOBAL?  BLOCK? CONTAINS?   TO 
2.1 CHARACTERS
2.1 RECORDS?  RECORD
2.1 ? CONTAINS ? CHARACTERS
2.1 ? CONTAINS  TO ? CHARACTERS
2.1  %clause 1?  DEPENDING? ON ?  LABEL
2.1  RECORD? IS
2.1  RECORDS? ARE
2.1 STANDARD
2.1 OMITTED
2.1 + ? ?  VALUE OF +   ? IS
2.1 
2.1 ?  DATA
2.1  RECORD? IS
2.1  RECORDS? ARE
1 +  ?  LINAGE? IS
2.1 
2.1 
1? LINES
1 %clause 2?  RECORDING? MODE? IS ?  CODE-SET? IS   .