From 10034e89aa5a26fbf378b34458b5bea4e77d0670 Mon Sep 17 00:00:00 2001
From: Denys Khanzhiyev <xdenser@gmail.com>
Date: Fri, 30 Nov 2012 16:49:47 +0200
Subject: [PATCH] Update lib/namespace.js

https://github.com/LearnBoost/socket.io/issues/1093#issuecomment-10889859
---
 lib/namespace.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/namespace.js b/lib/namespace.js
index 3c538a77c..3a636994c 100644
--- a/lib/namespace.js
+++ b/lib/namespace.js
@@ -176,8 +176,11 @@
       case 'event':
         var params = [packet.name].concat(packet.args);
 
-        if (packet.ack == 'data')
+        if (packet.ack == 'data') {
           params.push(ack);
+        } else if (packet.ack) {
+          this.packet({ type: 'ack', ackId: packet.id });
+        }
 
         this.$emit.apply(this, params);
         break;