anchor.diff:    pname = "rest";
     version = "0.8.1";
   
  -  outputs = [ "out" "dev" ];
  +  outputs = [ "out" "dev" "devdoc" ];
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
  
positive.code:   nativeBuildInputs = [
      pkg-config
      gobject-introspection
    ];
  
    propagatedBuildInputs = [
  
negative.code:   ];
  
    configureFlags = [
      "--enable-gtk-doc"
      # Remove when https://gitlab.gnome.org/GNOME/librest/merge_requests/2 is merged.
      "--with-ca-certificates=/etc/ssl/certs/ca-certificates.crt"
    ];
  