anchor.diff:  
     inkscape = callPackage ../applications/graphics/inkscape {
       inherit (pythonPackages) lxml;
  -    inherit (gtkLibs) gtk glib glibmm gtkmm;
     };
   
     ion3 = callPackage ../applications/window-managers/ion-3 {
  
positive.code:   gitSVN = gitAndTools.gitSVN;
  
    giv = callPackage ../applications/graphics/giv {
      inherit (gtkLibs) gdk_pixbuf gtk;
      pcre = pcre.override { unicodeSupport = true; };
    };
  
    gnucash = callPackage ../applications/office/gnucash {
      inherit (gnome) gtk glib libgnomeui libgtkhtml gtkhtml
        libbonoboui libgnomeprint;
      gconf = gnome.GConf;
      guile = guile_1_8;
      slibGuile = slibGuile.override { scheme = guile_1_8; };
  
negative.code:     langC = false;
      profiledCompiler = false;
      inherit zip unzip zlib boehmgc gettext pkgconfig perl;
      inherit gtk;
      inherit (gnome) libart_lgpl;
      inherit (xlibs) libX11 libXt libSM libICE libXtst libXi libXrender
        libXrandr xproto renderproto xextproto inputproto randrproto;
  