Availability:built-in
 version(+Message)Register additional messages to be printed by version/0. 
Each registered message is handed to the message translation DCG and can 
thus be defined using the hook prolog:message//1. If not defined, it is 
simply printed.
version(+Message)Register additional messages to be printed by version/0. 
Each registered message is handed to the message translation DCG and can 
thus be defined using the hook prolog:message//1. If not defined, it is 
simply printed.