Defines a list of browser "user agent" names that will be recognised as
(search engine spiders).
NotRobotUA ua_name [, ua_names...]
This directive is only available for use in the global
(interchange.cfg) configuration file,
and will affect all websites running under the Interchange installation.
It will not work in a website's local (catalog.cfg)
The NotRobotUA directive is used to declare an exception
list to be matched before the RobotUA list.
This directive accepts a wildcard list;
The "*" character represents any number of characters.
and the "?" character represents any single character.
"fo*ar" would match "foobar".