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Syntax: chat     [message]
Syntax: music    [message]
Syntax: ask      [message]
Syntax: answer   [message]
Syntax: shout    [message]
Syntax: yell     [message]
These commands send messages through communication channels to other players.
SHOUT sends a message to all awake players in the world.  To curb excessive
shouting, SHOUT imposes a three-second delay on the shouter.
CHAT, MUSIC, and QUESTION and ANSWER also send messages to all interested 
players.  '.' is a synonym for CHAT.  The ASK and ANSWER commands 
both use the same 'question' channel
YELL sends a message to all awake players within your area.
You can use the CHANNELS command to hear, or not hear, any of these channels.