anchor.diff:    };
     */
   
  -  rlwrapFun = lib.sumArgs (selectVersion ../tools/misc/rlwrap) {
  -  	version = "0.28";
  -	inherit builderDefs readline;
  +  rlwrapFun = lib.sumArgs (selectVersion ../tools/misc/rlwrap "0.28") {
  +    inherit builderDefs readline;
     };
   
     rlwrap = rlwrapFun null;
  
positive.code:   };
  
    # You still can override by passing more arguments.
    spaceOrbitFun = lib.sumArgs (selectVersion ../games/orbit ) {
      inherit fetchurl stdenv builderDefs 
        mesa freeglut;
      inherit (gnome) esound;
      inherit (xlibs) libXt libX11 libXmu libXi libXext;
      version = "1.01";
    };
  
    spaceOrbit = spaceOrbitFun null;
  
negative.code:     inherit fetchurl stdenv ocaml;
    };
  
    /*hyppocampusFun = lib.sumArgs ( selectVersion ../tools/misc/hyppocampus "0.3rc1") {
      inherit builderDefs stdenv fetchurl libdbi libdbiDrivers fuse
        pkgconfig perl gettext dbus dbus_glib pcre libscd;
      inherit (gtkLibs) glib;
      bison = bison23;
      flex = flex2533;
    };*/
  
    jdiskreport = import ../tools/misc/jdiskreport {
      inherit fetchurl stdenv unzip jdk;
  