sHelp
                                     MC.FIELDS
       2
 main
   addl.data.segs
     addl.data.seg.subs

 Ì       2
main
[mnemonic]
&(YD)YSF[ysf]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL
 mnemonic                    20 FREE     L                 ysf                                                         
 active                       1 YN       L                 &(YD)YSF[ysf]|0                                             
 alt.lookup.flag             10 FREE     L                 &(YD)YSF[ysf]|8                                             
 any.type.field               1 YN       L                 &(YD)YSF[ysf]|6                                             
 choices                     78 FREE     L                 &(YD)YSF[ysf]|5                                             
 data.seg                    25 FREE     L  NPR.SEG        &(YD)YSF[ysf]|7                                         
 data.type                    6 CHOICE   L                 &(YD)YSF[ysf]|3                                             
 description                 40 FREE     L                 &(YD)YSF[ysf]|1                                             
 edit.type                    4 CHOICE   L                 &(YD)YSF[ysf]|9                                             
 index.file                  10 FREE     L                 &(YD)YSF[ysf]P|3                                            
 last.update                 10 FREE     L                 &(YD)YSF[ysf]UPD                                            
 lookup.addr                 20 FREE     L                 &(YD)YSF[ysf]P|2                                            
 phys.addr                   55 FREE     L                 &(YD)YSF[ysf]P|0                                            
 phys.addr.name              55 FREE     L                 &(YD)YSF[ysf]P|1                                            
 program                     80 FREE     L                 &(YD)YSF[ysf]P|4                                            
 sort.level                  10 CHOICE   L                 &(YD)YSF[ysf]|4                                             
 source                       1 CHOICE   L                 &(YD)YSF[ysf]|2                                             
 Ì   €     2
addl.data.segs
[mnemonic,  addl.data.seg.seqn]
&(YD)YSF[ysf]DS[ysdsn]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL
 addl.data.seg.seqn           1 PINT     R                 ysdsn                                                       
 addl.data.seg               25 FREE     L  NPR.SEG        &(YD)YSF[ysf]DS[ysdsn]|1                                
 addl.data.seg.dpm           15 URN      L  NPR.DPM        &(YD)YSF[ysf]DS[ysdsn]|0                                
 addl.data.seg.phys.addr     80 FREE     L                 &(YD)YSF[ysf]DS[ysdsn]|2                                    
 Ì   €     2
addl.data.seg.subs
[mnemonic,addl.data.seg.seqn,  addl.data.seg.subs.seqn]
&(YD)YSF[ysf]DS[ysdsn]S[ysdss]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL
 addl.data.seg.subs.seqn      1 PINT     R                 ysdss                                                       
 addl.data.seg.subscript     80 FREE     L                 &(YD)YSF[ysf]DS[ysdsn]S[ysdss]