By default, informational and debugging messages are suppressed and the
output is sent to standard error. Other output options include routing
messages through email, datagrams, sockets, or to an HTTP Server. New
-filters can select different routing based on message priority: DEBUG,
-INFO, WARNING, ERROR, and CRITICAL.
+filters can select different routing based on message priority:
+\constant{DEBUG}, \constant{INFO}, \constant{WARNING}, \constant{ERROR},
+and \constant{CRITICAL}.
The logging system can be configured directly from Python or can be
loaded from a user editable configuration file for customized logging