Format Description for BUFDEF


          (1)                                            
>>-BUFDEF------+-------------------------------------+---------->
               |             .-,-----------------.   |   
               |             V                   |   |   
               '-,BELOWBUF=(---+-LIMIT=nnnn----+-+-)-'   
                               |       .-80--. |         
                               '-WARN=-+-nnn-+-'         

>--+-----------------------------------+-----------------------><
   |           .-,-----------------.   |   
   |           V                   |   |   
   '-,EXTBUF=(---+-LIMIT=nnnn----+-+-)-'   
                 |       .-80--. |         
                 '-WARN=-+-nnn-+-'

Notes:

Omit the comma between initialization statement and first keyword