anchor.diff:    };
   
     libXcursor = attrs: attrs // {
  -    outputs = [ "dev" "out" "man" ];
  +    outputs = [ "dev" "out" ];
     };
   
     libXdamage = attrs: attrs // {
  
positive.code:   };
  
    libXext = attrs: attrs // {
      outputs = [ "dev" "out" "man" "doc" ];
      propagatedBuildInputs = [ xorg.xproto xorg.libXau ];
      preConfigure = setMalloc0ReturnsNullCrossCompiling;
    };
  
    libXfixes = attrs: attrs // {
      outputs = [ "dev" "out" "man" ];
    };
  
    libXi = attrs: attrs // {
      outputs = [ "dev" "out" "man" "doc" ];
    };
  
    libXinerama = attrs: attrs // {
      outputs = [ "dev" "out" "man" ];
    };
  
    libXmu = attrs: attrs // {
  
negative.code:   };
  
    libXau = attrs: attrs // {
      outputs = [ "dev" "out" ];
    };
  
    libXdmcp = attrs: attrs // {
  