From bdf537e9d57035a12160ab4344e9a7361e327bbf Mon Sep 17 00:00:00 2001
From: Daniel Rudolf <github.com@daniel-rudolf.de>
Date: Thu, 13 Oct 2016 19:30:50 +0200
Subject: [PATCH] Fix ordered list start argument

See CommonMark spec examples [#226](http://spec.commonmark.org/0.26/#example-226) to #229
---
 Parsedown.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Parsedown.php b/Parsedown.php
index bb2bd11..ac83e50 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -502,7 +502,7 @@ class Parsedown
 
     protected function blockList($Line)
     {
-        list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]+[.\)]');
+        list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}[.\)]');
 
         if (preg_match('/^('.$pattern.'[ ]+)(.*)/', $Line['text'], $matches))
         {
@@ -521,7 +521,7 @@ class Parsedown
 
             if($name === 'ol') 
             {
-                $listStart = stristr($matches[1], $Block['data']['marker'], true);
+                $listStart = ltrim(strstr($matches[1], $Block['data']['marker'], true), '0') ?: '0';
                 
                 if($listStart !== '1')
                 {