anchor.diff:        # Obtain XML resources from XML catalog (patch adapted from gtk-doc)
         ./respect-xml-catalog-files-var.patch
         dots_in_usernames
  +      # Allow building with itstool
  +      # https://github.com/shadow-maint/shadow/pull/184
  +      (fetchpatch {
  +        url = https://github.com/shadow-maint/shadow/commit/6c6c8d3a33bba32277e1ed46f55df1e6dbc914b7.patch;
  +        sha256 = "0xfr1mrfv5xsmri6l7ycbpz3qhs4vf3fyci4kwpffi3icsfjn557";
  +      })
       ];
   
     # The nix daemon often forbids even creating set[ug]id files.
  
positive.code: { stdenv, fetchpatch, fetchFromGitHub, autoreconfHook, libxslt, libxml2
  , docbook_xml_dtd_45, docbook_xsl, gnome-doc-utils, flex, bison
  , pam ? null, glibcCross ? null
  }:
  
  
negative.code: 
    buildInputs = stdenv.lib.optional (pam != null && stdenv.isLinux) pam;
    nativeBuildInputs = [autoreconfHook libxslt libxml2
      docbook_xml_dtd_45 docbook_xsl flex bison itstool
      ];
  
    patches =
  