Part of twisted.words.protocols.irc View Source View In Hierarchy
Known subclasses: twisted.words.protocols.irc._FormattingParser, twisted.words.protocols.irc.ServerSupportedFeatures
Command handler names should be of the form 
prefix_commandName, where prefix is the value 
specified by prefix,
and must accept the parameters as given to dispatch.
Attempting to mix this in more than once for a single class will cause 
strange behaviour, due to prefix
being overwritten.