implemented xmlXPathObjectCopy for external objects added


	* xpath.c: implemented xmlXPathObjectCopy for external objects
	* include/libxml/xpathInternals.h: added xmlXPathStackIsExternal
diff --git a/ChangeLog b/ChangeLog
index b1bfbc4..7f1955b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Oct  7 18:47:02 CEST 2001 Thomas Broyer <tbroyer@ltgt.net>
+
+	* xpath.c: implemented xmlXPathObjectCopy for external objects
+	* include/libxml/xpathInternals.h: added xmlXPathStackIsExternal
+
 Sat Oct  6 16:25:52 MDT 2001 John Fleck <jfleck@inkstain.net>
 
 	*doc/xmlcatalog_man.xml, xmlcatalog_man.html, xmlcatalog.1