Format: sort/merge-i-o-control-entry

1? RERUN
1.1? ON
1.2 assignment-name-1
2+ 
2 SAME
2.1 RECORD
2.1 SORT
2.1 SORT-MERGE
2.2? AREA
2.3? FOR
2.4 %phrase 1

phrase 1

1 file-name-3
2? 
2+ 
2? file-name-4