From a0501a30b23c953e1195f882cabfb7ec27c1bfcf Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Fri, 23 Aug 2013 09:10:11 -0400
Subject: make sure isVerticalSlide doesn't throw npe

---
 js/reveal.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'js/reveal.js')

diff --git a/js/reveal.js b/js/reveal.js
index fabcded..c7860ad 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1317,7 +1317,7 @@ var Reveal = (function(){
 		// Prefer slide argument, otherwise use current slide
 		slide = slide ? slide : currentSlide;
 
-		return slide && !!slide.parentNode.nodeName.match( /section/i );
+		return slide && slide.parentNode && !!slide.parentNode.nodeName.match( /section/i );
 
 	}
 
-- 
cgit v1.2.3