Bug 955058 - Unhandled IRC message: 330 RPL_WHOISACCOUNT, r=aleth.

chat/locales/en-US/irc.properties

@@ -148,6 +148,7 @@ tooltip.server=Connected to
 #    protect users).
 tooltip.connectedFrom=Connected from
 tooltip.registered=Registered
+tooltip.registeredAs=Registered as
 tooltip.secure=Using a secure connection
 # The away message of the user
 tooltip.away=Away

chat/protocols/irc/irc.js

@@ -679,6 +679,7 @@ ircAccount.prototype = {
       server: null,
       connectedFrom: null,
       registered: normalizeBool,
+      registeredAs: null,
       secure: normalizeBool,
       away: null,
       ircOp: normalizeBool,

chat/protocols/irc/ircNonStandard.jsm

@@ -53,6 +53,21 @@ var ircNonStandard = {
       return true;
     },
 
+    "330": function(aMessage) {
+      // TODO RPL_WHOWAS_TIME
+
+      // RPL_WHOISACCOUNT (Charybdis, ircu & Quakenet)
+      // <nick> <authname> :is logged in as
+      if (aMessage.params.length == 4) {
+        let [, nick, authname] = aMessage.params;
+        // If the authname differs from the nickname, add it to the WHOIS
+        // information; otherwise, ignore it.
+        if (this.normalize(nick) != this.normalize(authname))
+          this.setWhois(nick, {registeredAs: authname});
+      }
+      return true;
+    },
+
     "378": function(aMessage) { // RPL_WHOISHOST (Unreal & Charybdis)
       // <nick> :is connecting from <host> <ip>
       let [host, ip] = aMessage.params[2].split(" ").slice(-2);