v ; demonstration of fingerprints. ;
  ; correct results should be: '0 1000 !' ;

  ; normally M does nothing. ;

>#vM'?,v
v.<    <

  ; but, in the context of ROMA: ;

>"AMOR"4( >#vM  >.)v
            >'?,^
v                  <

  ; and in overlapping contexts (NULL in ROMA): ;

>"AMOR"4( "LLUN"4( >#vM'?,> ) ) @
                     > '!,^