diff --git a/mxml.h b/mxml.h
index f53d753..f31059a 100644
--- a/mxml.h
+++ b/mxml.h
@@ -237,6 +237,7 @@ extern mxml_node_t	*mxmlWalkPrev(mxml_node_t *node, mxml_node_t *top,
  */
 
 extern void		mxml_error(const char *format, ...);
+extern mxml_type_t	mxml_ignore_cb(mxml_node_t *node);
 extern mxml_type_t	mxml_integer_cb(mxml_node_t *node);
 extern mxml_type_t	mxml_opaque_cb(mxml_node_t *node);
 extern mxml_type_t	mxml_real_cb(mxml_node_t *node);