https://bugzilla.novell.com/show_bug.cgi?id=566434
 http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.164&r2=1.166

--- expat/xmlparse.c	2001-09-07 18:25:31.000000000 -0400
+++ expat/xmlparse.c.oden	2010-01-08 13:34:25.000000000 -0500
@@ -2249,6 +2249,9 @@ doProlog(XML_Parser parser,
 	return XML_ERROR_UNCLOSED_TOKEN;
       case XML_TOK_PARTIAL_CHAR:
 	return XML_ERROR_PARTIAL_CHAR;
+      case -XML_TOK_PROLOG_S:
+        tok = -tok;
+        break;
       case XML_TOK_NONE:
 #ifdef XML_DTD
 	if (enc != encoding)