From a3e02c1d0e7f7da041754328641a859e7a7be48a Mon Sep 17 00:00:00 2001
From: Aidan Woods <aidantwoods@gmail.com>
Date: Wed, 28 Mar 2018 15:37:47 +0100
Subject: [PATCH 1/2] Add failing test case

---
 test/data/ordered_list.html | 5 ++++-
 test/data/ordered_list.md   | 6 +++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/test/data/ordered_list.html b/test/data/ordered_list.html
index c4a69dbe6..b748fc184 100644
--- a/test/data/ordered_list.html
+++ b/test/data/ordered_list.html
@@ -10,4 +10,7 @@
 <p>large numbers:</p>
 <ol start="123">
 <li>one</li>
-</ol>
\ No newline at end of file
+</ol>
+<p>foo 1. the following should not start a list
+100.<br />
+200. </p>
\ No newline at end of file
diff --git a/test/data/ordered_list.md b/test/data/ordered_list.md
index b307032cf..d7e7fc1c9 100644
--- a/test/data/ordered_list.md
+++ b/test/data/ordered_list.md
@@ -8,4 +8,8 @@ repeating numbers:
 
 large numbers:
 
-123. one
\ No newline at end of file
+123. one
+
+foo 1. the following should not start a list
+100.  
+200. 
\ No newline at end of file

From a9c21447cee7393bd20a4b26609ddbcb2ebf1332 Mon Sep 17 00:00:00 2001
From: Aidan Woods <aidantwoods@gmail.com>
Date: Wed, 28 Mar 2018 15:38:11 +0100
Subject: [PATCH 2/2] Only interrupt paragraph if starting with 1

---
 Parsedown.php | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/Parsedown.php b/Parsedown.php
index 11e50d5d4..5ca40d883 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -523,7 +523,7 @@ protected function blockHeader($Line)
     #
     # List
 
-    protected function blockList($Line)
+    protected function blockList($Line, array $CurrentBlock = null)
     {
         list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}[.\)]');
 
@@ -556,12 +556,20 @@ protected function blockList($Line)
                 ),
             );
 
-            if($name === 'ol')
+            if ($name === 'ol')
             {
                 $listStart = ltrim(strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0';
 
-                if($listStart !== '1')
+                if ($listStart !== '1')
                 {
+                    if (
+                        isset($CurrentBlock)
+                        and ! isset($CurrentBlock['type'])
+                        and ! isset($CurrentBlock['interrupted'])
+                    ) {
+                        return;
+                    }
+
                     $Block['element']['attributes'] = array('start' => $listStart);
                 }
             }