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+# $EPIC: dcc_chat.txt,v 1.3 2007/02/02 23:28:03 jnelson Exp $
+======Synopsis:======
+[[dcc]] chat <nick> [-p <port>]
+======Description:======
+[[DCC]] CHAT offers to another user, or accepts an offer from another user,
+for a direct connection between your clients.  This direct connection allows
+you to talk to that person without the messages passing through any irc
+network.
+Because the messages are not sent over irc, they are both less prone to
+snooping by others on irc, and they are delivered faster and have
+guaranteed delivery (which irc does not guarantee because of netsplits).
+Because the messages are not sent over irc, it requires that the other
+peer know your IP address.  This may be undesirable if your hostname is
+spoofed on the network.  Do not offer (or accept) dcc connections with
+those who you do not want to know your ip address.
+To send a message across a [[DCC]] CHAT connection, use the [[MSG]]
+command as you normally would, but prefix the other person's <nick> with
+an equals-sign ('=').  The <nick> is the one that you gave to the
+original [[DCC]] CHAT command.  Even if they change their nickname on
+irc, you must still refer to them by the nickname you gave to [[DCC]] CHAT.
+You can change the <nick> with [[DCC]] [[DCC RENAME|RENAME]].
+You can send a [[CTCP]] command across a [[DCC]] CHAT connection (allowing you
+to initiate a [[DCC]] [[DCC SEND|SEND]], for example), if the remote client
+supports CTCP-over-DCC.  EPIC clients will work; others may or may not.
+The [[DCC]] CHAT connection persists until either the connection is
+voluntarily closed by either party using [[dcc]] [[dcc close|close]], or
+when either party terminates their client.
+If you offer a [[DCC]] CHAT connection and the other person does not accept it,
+you can re-tender the offer by using [[DCC]] CHAT again.  This will send a
+duplicate [[CTCP]] message to the other peer, to let them know that you are
+still offering the connection.
+If the -p flag is present you may specify the port that the client
+should use for the connection.
+All the usual caveats about using [[dcc]] behind a NAT router apply.
+======Examples:======
+   /dcc chat bob		Offer a DCC CHAT connection to "bob" on
+				the current network.
+   /msg =bob Hi there bob!	Send a message to "bob" over DCC CHAT after
+				bob has accepted the connection.  If bob
+				changes his nickname on irc, you would still
+				use "=bob" to send him a DCC CHAT message.