anchor.diff:  
     postInstall = "rm -rvf $out/share/gtk-doc";
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "Helper library for RESTful services";
       homepage = https://wiki.gnome.org/Projects/Librest;
       license = licenses.lgpl21;
  
positive.code: { stdenv
  , fetchurl
  , intltool
  
  , glib
  , gobject-introspection
  
negative.code: }:
  
  let
    inherit (lib)
      boolEn;
  
    versionMajor = "0.8";
    versionMinor = "0";
    version = "${versionMajor}.${versionMinor}";
  in
  stdenv.mkDerivation rec {
    name = "rest-${version}";
  
    src = fetchurl {
      url = "mirror://gnome/sources/rest/${versionMajor}/${name}.tar.xz";
  