anchor.diff:    ];
   
     nativeBuildInputs = [
  -    docbook_xsl docbook_xml_dtd_42 gettext libxslt.bin makeWrapper tcl which
  +    docbook_xsl docbook_xml_dtd_42 gettext libxml2 libxslt.bin makeWrapper tcl which
     ];
   
     enableParallelBuilding = true;
  
positive.code:     wrapProgram "$out/bin/neomutt" --prefix PATH : "$out/lib/neomutt"
    '';
  
    meta = with stdenv.lib; {
      description = "A small but very powerful text-based mail client";
      homepage    = http://www.neomutt.org;
  
negative.code:   '';
  
  in stdenv.mkDerivation rec {
    version = "20180223";
    name = "neomutt-${version}";
  
    src = fetchFromGitHub {
      owner  = "neomutt";
      repo   = "neomutt";
      rev    = "neomutt-${version}";
      sha256 = "1q0zwm8p2mk85icrbq42z4235mpqfra38pigd064kharx54k36sb";
    };
  
    buildInputs = [
  