anchor.diff:  
     propogatedBuildInputs = [
       pkgs.enchant.out
  +    pkgs.pkg-config.out
       pkgs.gsettings-desktop-schemas.out
       pkgs.glib-networking.out
       pkgs.pango.out
  
positive.code:                                                           pkgs.glib-networking.out
                                                            pkgs.webkitgtk
                                                            pkgs.gobjectIntrospection
                                                            pkgs.gtk3
                                                            pkgs.pango.out
                                                            pkgs.cairo.out
  
negative.code: 
    buildInputs = [
      pkgs.gobjectIntrospection
      pkgs.pkg-config
      pkgs.enchant.out
      pkgs.gsettings-desktop-schemas.out
      pkgs.glib-networking.out
  