Index: src/IRCConnection.h
==================================================================
--- src/IRCConnection.h
+++ src/IRCConnection.h
@@ -29,23 +29,27 @@
 @class IRCUser;
 @class IRCChannel;
 
 @protocol IRCConnectionDelegate
 @optional
-- (void)connection: (IRCConnection*)conn
+- (void)connection: (IRCConnection*)connection
     didReceiveLine: (OFString*)line;
-- (void)connection: (IRCConnection*)conn
+- (void)connection: (IRCConnection*)connection
        didSendLine: (OFString*)line;
-- (void)connectionWasEstablished: (IRCConnection*)conn;
-- (void)connection: (IRCConnection*)conn
+- (void)connectionWasEstablished: (IRCConnection*)connection;
+- (void)connection: (IRCConnection*)connection
 	didSeeUser: (IRCUser*)user
        joinChannel: (IRCChannel*)channel;
--  (void)connection: (IRCConnection*)conn
+- (void)connection: (IRCConnection*)connection
+	didSeeUser: (IRCUser*)user
+      leaveChannel: (IRCChannel*)channel
+	withReason: (OFString*)reason;
+-  (void)connection: (IRCConnection*)connection
   didReceiveMessage: (OFString*)msg
 	   fromUser: (IRCUser*)user
 	  inChannel: (IRCChannel*)channel;
--	  (void)connection: (IRCConnection*)conn
+-	  (void)connection: (IRCConnection*)connection
   didReceivePrivateMessage: (OFString*)msg
 		  fromUser: (IRCUser*)user;
 @end
 
 @interface IRCConnection: OFObject

Index: src/IRCConnection.m
==================================================================
--- src/IRCConnection.m
+++ src/IRCConnection.m
@@ -180,13 +180,10 @@
 			IRCUser *user;
 			IRCChannel *channel;
 
 			who = [who substringWithRange:
 			    of_range(1, who.length - 1)];
-			where = [where substringWithRange:
-			    of_range(1, where.length - 1)];
-
 			user = [IRCUser IRCUserWithString: who];
 
 			if ([who hasPrefix:
 			    [nickname stringByAppendingString: @"!"]]) {
 				channel = [IRCChannel channelWithName: where];
@@ -199,10 +196,42 @@
 			    @selector(connection:didSeeUser:joinChannel:)])
 				[delegate connection: self
 					  didSeeUser: user
 					 joinChannel: channel];
 
+			continue;
+		}
+
+		/* PART */
+		if (splitted.count >= 3 &&
+		    [[splitted objectAtIndex: 1] isEqual: @"PART"]) {
+			OFString *who = [splitted objectAtIndex: 0];
+			OFString *where = [splitted objectAtIndex: 2];
+			IRCUser *user;
+			IRCChannel *channel;
+			OFString *reason = nil;
+			size_t pos = who.length + 1 +
+			    [[splitted objectAtIndex: 1] length] + 1 +
+			    where.length;
+
+			who = [who substringWithRange:
+			    of_range(1, who.length - 1)];
+			user = [IRCUser IRCUserWithString: who];
+			channel = [channels objectForKey: where];
+
+			if (splitted.count > 3)
+				reason = [line substringWithRange:
+				    of_range(pos + 2, line.length - pos - 2)];
+
+			if ([delegate respondsToSelector:
+			    @selector(connection:didSeeUser:leaveChannel:
+			    withReason:)])
+				[delegate connection: self
+					  didSeeUser: user
+					leaveChannel: channel
+					  withReason: reason];
+
 			continue;
 		}
 
 		/* PRIVMSG */
 		if (splitted.count >= 4 &&