new TODO item

svn path=/trunk/mcs/; revision=63575

mcs/class/System.Web/Test/mainsoft/NunitWeb/NunitWeb/TODO

@@ -20,3 +20,5 @@ DOCUMENTATION
 
 * add the tutorial kind of documentation at the namespace and class levels
 
+* bug with page event handlers set by += operator: exceptions are not processed
+	correctly.