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                                     BAR.EXPRESSION
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[mnemonic]
&(B)BLS[bls]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL
 mnemonic                     8 FREE     L                 bls                                                         
 active                       1 YN       L                 &(B)BLS[bls]|0                                              
 expression                  40 FREE     L                 &(B)BLS[bls]|2                                              
 name                        35 FREE     L                 &(B)BLS[bls]|1