else
"markov chat => try to say something intelligent"
end
+ when "learn"
+ ["markov learn from <file> [testing [<num> lines]] [using pattern <pattern>]:",
+ "learn from the text in the specified <file>, optionally using the given <pattern> to filter the text.",
+ "you can sample what would be learned by specifying 'testing <num> lines'"].join(' ')
else
"markov plugin: listens to chat to build a markov chain, with which it can (perhaps) attempt to (inanely) contribute to 'discussion'. Sort of.. Will get a *lot* better after listening to a lot of chat. Usage: 'chat' to attempt to say something relevant to the last line of chat, if it can -- help topics: ignore, readonly, delay, status, probability, chat, chat about"
end