anchor.diff: -{ stdenv, fetchurl, pkgconfig, pango, glibmm, cairomm, libpng }:
  +{ stdenv, fetchurl, pkgconfig, pango, glibmm, cairomm, libpng, cairo }:
   
   stdenv.mkDerivation rec {
     name = "pangomm-2.28.4";
  
positive.code:       far has been done in the context of the GTK+ widget toolkit.
        Pango forms the core of text and font handling for GTK+-2.x.
      '';
  
      homepage = http://www.pango.org/;
      license = "LGPLv2+";
  
      maintainers = [stdenv.lib.maintainers.raskin];
      platforms = stdenv.lib.platforms.linux;
    };
  }
  
negative.code:   };
  
    nativeBuildInputs = [ pkgconfig ];
    propagatedBuildInputs = [ pango glibmm cairomm libpng cairo ];
  
    NIX_CFLAGS_COMPILE = "-I${cairo}/include/cairo";
  
    meta = with stdenv.lib; {
      description = "C++ interface to the Pango text rendering library";
      homepage    = http://www.pango.org/;
      license     = licenses.lgplv2Plus;
      maintainers = with maintainers; [ lovek323 raskin ];
      platforms   = platforms.unix;
  
      longDescription = ''
        Pango is a library for laying out and rendering of text, with an
  