From abb88d59fac349e2c5dd7941ed4212bdee08c438 Mon Sep 17 00:00:00 2001
From: Emanuil Rusev <hello@erusev.com>
Date: Thu, 6 Feb 2014 02:36:11 +0200
Subject: [PATCH] fix reference

---
 Parsedown.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Parsedown.php b/Parsedown.php
index 05cf8ac..eb7700c 100755
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -438,6 +438,11 @@ class Parsedown
                         $substring = substr($outdented_line, $position + 2);
                         $substring = trim($substring);
 
+                        if ($substring === '')
+                        {
+                            break;
+                        }
+
                         if ($substring[0] === '<')
                         {
                             $position = strpos($substring, '>');