From 7ab71ade06518afb3641d86dd40469c7d912010b Mon Sep 17 00:00:00 2001
From: Emanuil <4thmail@gmail.com>
Date: Fri, 20 Sep 2013 02:12:06 +0300
Subject: [PATCH] optimize parsing of rule

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

diff --git a/Parsedown.php b/Parsedown.php
index 134197b..68c7495 100755
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -145,7 +145,7 @@ class Parsedown
 			
 			# Rule 
 			
-			if (isset($line) and preg_match('/^[ ]{0,3}([-*_])([ ]{0,2}\1){2,}[ ]*$/', $line))
+			if (isset($line) and $line !== '' and preg_match('/^[ ]{0,3}([-*_])([ ]{0,2}\1){2,}[ ]*$/', $line))
 			{
 				$rule = true;