Format Description for PUNCHDEF

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            (1)                                           
>>-PUNCHDEF------+-------------+--+-------------------+--------->
                 '-,CCWNUM=nnn-'  |           .-No--. |   
                                  '-,DBLBUFR=-+-Yes-+-'   

>--+--------------------+--------------------------------------><
   |            .-No--. |   
   '-,RDBLBUFR=-+-Yes-+-'   

Notes:
  1. Omit the comma between initialization statement and first keyword