Selection mask - - USER OPTION field - - only for PLAM elements

         Selection parameters      
 ATTR    =S/I/P/F/V SV/-SV        Fcbtyp, Recform, Keypos, Keylen, ...
 CREA    =x   >x   <x             Creation date of the element
 CCS     <-> ccs-name             Coded Character Set Name
 DELTA   Y / N                    Delta/Full storage of the element
 GUARD   =Y/N <->R/W/E<=name>     Guard protection for PLAM elements
 HOLD    =N / Y<:user-id>         Hold status for PLAM elements
 PASS    R / W / E / X / Y / N    Existing passwords
 RECFORM V / F / U < =x >x <x >   Record-Format of the PLAM element
 RT      =x   >x   <x             record type of the element
 SDAT    =x   >x   <x             System datem (last amendment)
 SNAM    sname/attr               specific secondary name for element vorh.
 TIME    =hh:mm / >hh:mm / <hh:mm Time of the last update
 UDAT    =x   >x   <x             User date (date of the last update)
 VAR     =x   >x   <x             Variant
 VER     =x   >x   <x             Library element version number