anchor.diff:      meta = {
         description = "Test fallback behaviour in absence of modules";
         license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
  -      maintainers = with maintainers; [ ocharles ];
  +      maintainers = with maintainers; [ ];
         platforms   = stdenv.lib.platforms.unix;
       };
     };
  
positive.code:     };
      propagatedBuildInputs = [ XMLLibXML ];
      meta = {
        maintainers = with maintainers; [ ocharles ];
        platforms   = stdenv.lib.platforms.unix;
      };
    };
  
negative.code:     meta = {
        description = "Comprehensive inside-out object support module";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
        maintainers = with maintainers; [ ];
        platforms   = stdenv.lib.platforms.unix;
      };
    };
  