> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Paul Whelan
> 
> [ snip ]
> 
> The (in)famous   CLC   0(R9,R8),FILTER        'filter('found?
> was actually based on one of the IRREVX01 samples included in
> SYS1.SAMPLIB(RACEXITS):
> 
> LA    R7,L'USERKEY     
> CLC   0(R7,R5),USERKEY 
> 
> with USERKEY defined as:
> 
> USERKEY  DC    C'USER('            a PASSWORD keyword  

Fascinating.  I didn't know CLC was (also) an RX instruction.

I wonder how often the above code excerpt actually finds 'USER('?  :-)

    -jc-

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