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Here's the great mystery to solve.  Just exactly how IS the Record Format 
Level Identifier calculated?

Some say it's a hash of the field properties and the record format name. 
However, if that is true then I shouldn't have this:

File JEFF1
Record Format Information 
  Record format . . . . . . . . . . . . . . . :  JEFF1 
  Format level identifier . . . . . . . . . . :  1F394C6EFF0A2 
  Number of fields  . . . . . . . . . . . . . :      2 
  Record length . . . . . . . . . . . . . . . :     20 
Field Level Information 
             Data        Field  Buffer    Buffer        Field    Column 
  Field      Type       Length  Length  Position        Usage    Heading
  MYCHAR     CHAR           15      15         1        Both     MYCHAR 
    Coded Character Set Identifier  . . . . . :     37 
  MYDEC      PACKED       9  2       5        16        Both     MYDEC 

File JEFF2
Record Format Information 
  Record format . . . . . . . . . . . . . . . :  JEFF1 
  Format level identifier . . . . . . . . . . :  1F394C77030E2 
  Number of fields  . . . . . . . . . . . . . :      2 
  Record length . . . . . . . . . . . . . . . :     20 
Field Level Information 
             Data        Field  Buffer    Buffer        Field    Column 
  Field      Type       Length  Length  Position        Usage    Heading
  MYCHAR     CHAR           15      15         1        Both     MYCHAR 
    Default value . . . . . . . . . . . . . . :  None 
    Coded Character Set Identifier  . . . . . :     37 
  MYDEC      PACKED       9  2       5        16        Both     MYDEC 
    Default value . . . . . . . . . . . . . . :  None 

Rob Berendt

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