applied patch from Lukas Schroeder for register callbacks modified patch

* tree.c : applied patch from Lukas Schroeder for register callbacks
* valid.c: modified patch from Lukas Schroeder to test
  register callbacks with --chkregister
Daniel
diff --git a/ChangeLog b/ChangeLog
index 1524135..4cf1dbc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jan  5 23:35:47 CET 2003 Daniel Veillard <daniel@veillard.com>
+
+	* tree.c : applied patch from Lukas Schroeder for register callbacks
+	* valid.c: modified patch from Lukas Schroeder to test
+	  register callbacks with --chkregister
+
 Sun Jan  5 02:23:20 CET 2003 Daniel Veillard <daniel@veillard.com>
 
 	* xmlreader.c: seriously changed the way data are pushed to