From cb33daf0e6f694076a3718b36c06c570b4b58ba7 Mon Sep 17 00:00:00 2001
From: Aidan Woods <aidantwoods@gmail.com>
Date: Mon, 9 Apr 2018 16:37:32 +0100
Subject: [PATCH] Assert table header does not contain new lines

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

diff --git a/Parsedown.php b/Parsedown.php
index 9e02e16..5baf6ab 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -883,6 +883,7 @@ class Parsedown
             strpos($Block['element']['handler']['argument'], '|') === false
             and strpos($Line['text'], '|') === false
             and strpos($Line['text'], ':') === false
+            or strpos($Block['element']['handler']['argument'], "\n") !== false
         ) {
             return;
         }