Index: src/IRCConnection.h
==================================================================
--- src/IRCConnection.h
+++ src/IRCConnection.h
@@ -40,10 +40,13 @@
 	didSeeUser: (IRCUser*)user
        joinChannel: (IRCChannel*)channel;
 - (void)connection: (IRCConnection*)connection
 	didSeeUser: (IRCUser*)user
       leaveChannel: (IRCChannel*)channel
+	withReason: (OFString*)reason;
+- (void)connection: (IRCConnection*)connection
+    didSeeUserQuit: (IRCUser*)user
 	withReason: (OFString*)reason;
 -  (void)connection: (IRCConnection*)connection
   didReceiveMessage: (OFString*)msg
 	   fromUser: (IRCUser*)user
 	  inChannel: (IRCChannel*)channel;

Index: src/IRCConnection.m
==================================================================
--- src/IRCConnection.m
+++ src/IRCConnection.m
@@ -228,10 +228,37 @@
 				[delegate connection: self
 					  didSeeUser: user
 					leaveChannel: channel
 					  withReason: reason];
 
+			continue;
+		}
+
+		/* QUIT */
+		if (splitted.count >= 2 &&
+		    [[splitted objectAtIndex: 1] isEqual: @"QUIT"]) {
+			OFString *who = [splitted objectAtIndex: 0];
+			IRCUser *user;
+			OFString *reason = nil;
+			size_t pos = who.length + 1 +
+			    [[splitted objectAtIndex: 1] length];
+
+			who = [who substringWithRange:
+			    of_range(1, who.length - 1)];
+
+			user = [IRCUser IRCUserWithString: who];
+
+			if (splitted.count > 2)
+				reason = [line substringWithRange:
+				    of_range(pos + 2, line.length - pos - 2)];
+
+			if ([delegate respondsToSelector:
+			    @selector(connection:didSeeUserQuit:withReason:)])
+				[delegate connection: self
+				      didSeeUserQuit: user
+					  withReason: reason];
+
 			continue;
 		}
 
 		/* PRIVMSG */
 		if (splitted.count >= 4 &&

Index: tests/test.m
==================================================================
--- tests/test.m
+++ tests/test.m
@@ -77,10 +77,17 @@
       leaveChannel: (IRCChannel*)channel
 	withReason: (OFString*)reason
 {
 	of_log(@"%@ left %@ (%@).", user, channel, reason);
 }
+
+- (void)connection: (IRCConnection*)connection
+    didSeeUserQuit: (IRCUser*)user
+	withReason: (OFString*)reason
+{
+	of_log(@"%@ quit (%@).", user, reason);
+}
 
 -  (void)connection: (IRCConnection*)connection
   didReceiveMessage: (OFString*)msg
 	   fromUser: (IRCUser*)user
 	  inChannel: (IRCChannel*)channel