Index: lib/expat/xmlparse/xmlparse.c
--- lib/expat/xmlparse/xmlparse.c.orig
+++ lib/expat/xmlparse/xmlparse.c
@@ -3195,7 +3195,7 @@ doIgnoreSection(XML_Parser       const xmlParserP,
     int tok;
 
     *evPtr.startP = s;
-    *startPtr = '\0';
+    *startPtr = NULL;
     tok = XmlIgnoreSectionTok(enc, s, end, &next);
     *evPtr.endP = next;