From 0985c2ef29bd1c4452458b85b5652c15344b0eb6 Mon Sep 17 00:00:00 2001
From: Emanuil Rusev <hello@erusev.com>
Date: Sun, 23 Feb 2014 23:43:18 +0200
Subject: [PATCH] fix [0] reference labels

---
 Parsedown.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Parsedown.php b/Parsedown.php
index a56ae6e..c32bdd4 100755
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -1027,7 +1027,7 @@ class Parsedown
 
                             if (preg_match('/^\s*\[(.*?)\]/', $remaining_text, $matches))
                             {
-                                $reference = $matches[1] ? $matches[1] : $element['text'];
+                                $reference = $matches[1] === '' ? $element['text'] : $matches[1];
 
                                 $offset += strlen($matches[0]);
                             }