From 543a6c4175a1debd148e933fb271f5b8f088b199 Mon Sep 17 00:00:00 2001
From: Aidan Woods <aidantwoods@gmail.com>
Date: Tue, 4 Oct 2016 18:59:36 +0100
Subject: [PATCH] Line handler may prevent specified element nesting

Check if array is empty to shave some performance hits in the case than no non nestables are present.
---
 Parsedown.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Parsedown.php b/Parsedown.php
index f1e09d9..fc2158f 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -1005,7 +1005,7 @@ class Parsedown
             {
                 # check to see if the current inline type is nestable in the current context
 
-                if (in_array($inlineType, $non_nestables))
+                if ( ! empty($non_nestables) and in_array($inlineType, $non_nestables))
                 {
                     continue;
                 }