Index: X500-DN-0.29/DN.pm
===================================================================
--- X500-DN-0.29.orig/DN.pm	2013-06-19 15:59:14.041089488 +0200
+++ X500-DN-0.29/DN.pm	2013-06-19 15:59:26.211457683 +0200
@@ -43,7 +43,7 @@ Digit: /[0-9]/
 #$::RD_HINT = 1;
 
 local $::RD_AUTOACTION = q{ $item[1] };
-local $Parse::RecDescent::skip = undef;
+local $Parse::RecDescent::skip = '';
 my $parser = new Parse::RecDescent ($rfc2253_grammar) or die "Bad RFC 2253 grammar!\n";
 
 sub new