anchor.diff:      qt = qt3;
     };
   
  -
  -  ### SCIENCE/BIOLOGY
  +  ### SCIENCE/GEOMETRY
   
     drgeo = builderDefsPackage (import ../applications/science/geometry/drgeo) {
       inherit (gnome) libglade gtk;
       inherit libxml2 guile perl intltool libtool pkgconfig;
     };
   
  +  ### SCIENCE/BIOLOGY
  +
  +  arb = import ../applications/science/biology/arb {
  +    inherit fetchurl stdenv readline libpng zlib x11 lesstif freeglut perl;
  +    inherit (xlibs) libXpm libXaw;
  +    # motif = lesstif;
  +    inherit mesa glew libtiff lynx rxp sablotron jdk;
  +  };
   
     biolib = import ../development/libraries/science/biology/biolib {
       inherit fetchurl stdenv readline perl cmake rLang zlib;
  
positive.code:     inherit fetchurl stdenv;
    };
  
    pal2nal = import ../applications/science/biology/pal2nal {
      inherit fetchurl stdenv perl paml;
    };
  
    ### SCIENCE/LOGIC
  
negative.code:     inherit fetchurl stdenv readline ncurses zlib lib openssl;
    };
  
    rake = import ../development/ruby-modules/rake {
      inherit fetchurl stdenv ruby ;
    };
  
    rubySqlite3 = import ../development/ruby-modules/sqlite3 {
      inherit fetchurl stdenv ruby sqlite;
    };
  
    rLang = import ../development/interpreters/r-lang {
      inherit fetchurl stdenv readline perl gfortran libpng zlib;
      inherit (xorg) libX11 libXt;
  