$t->{twig_chunk_number} = 0 if !defined($elt->{cdata});
        $elt->{cdata}.=  $t->{twig_stored_spaces}.$string
          unless( $t->{twig_keep_encoding} && defined($elt->{cdata}) && length($elt->{cdata})>1024 && ++$t->{twig_chunk_number}==1) ; # fixes a bug in XML::Parser for long CDATA