From b393ea0d81b800703efab745008f6215d3dd3a9a Mon Sep 17 00:00:00 2001
From: Qiang Xue <qiang.xue@gmail.com>
Date: Sat, 22 Mar 2014 12:31:24 -0400
Subject: [PATCH] Fixes #2851.

---
 framework/log/Target.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/log/Target.php b/framework/log/Target.php
index 8ad03a3..9de9e97 100644
--- a/framework/log/Target.php
+++ b/framework/log/Target.php
@@ -233,7 +233,7 @@ abstract class Target extends Component
 
         $prefix = $this->prefix ? call_user_func($this->prefix, $message) : $this->getMessagePrefix($message);
 
-        return date('Y/m/d H:i:s', $timestamp) . " $prefix[$level][$category] $text";
+        return date('Y/m/d H:i:s', $timestamp) . " {$prefix}[$level][$category] $text";
     }
 
     /**
--
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