anchor.diff:    # Add a default font for non-nixos systems. fontbhttf is only about 1mb.
     postInstall = ''
       cd "$out/etc/fonts" && tar xvf ${infinality_patch}
  +    rm conf.d/{50-user,51-local}.conf
       xsltproc --stringparam fontDirectories "${fontbhttf}" \
         --stringparam fontconfig "$out" \
         --stringparam fontconfigConfigVersion "${configVersion}" \
  
positive.code: { stdenv, fetchurl, pkgconfig, freetype, expat, libxslt, fontbhttf }:
  
  let
    configVersion = "2.11"; # bump whenever fontconfig breaks compatibility with older configurations
  
negative.code:     maintainers = [ maintainers.vcunat ];
    };
  }
  
  