Add ConstNodePtr.

diff --git a/src/cxml.h b/src/cxml.h
index 4ae82dcda9eba91a187fc69f66e36680cd99479d..0f57b924aa118df7b47f64c7877801db483cf8af 100644 (file)
--- a/src/cxml.h
+++ b/src/cxml.h
@@ -208,6 +208,7 @@ private:
 };
 
 typedef boost::shared_ptr<cxml::Node> NodePtr;
+typedef boost::shared_ptr<const cxml::Node> ConstNodePtr;
 
 class Document : public Node
 {