From 0e5a4478d1bb46b4ebe0421f3cffdf3d526c078a Mon Sep 17 00:00:00 2001
From: Zach DeCook <zdecook@ccel.org>
Date: Mon, 9 Mar 2020 13:02:03 -0400
Subject: [PATCH] * Control Arrows: Fix visibility bug in linear navigation
 mode

---
 js/reveal.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/js/reveal.js b/js/reveal.js
index ce3e8a1c..dab040ca 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -4555,6 +4555,11 @@
 			}
 		}
 
+		if ( horizontalSlides.length > 1 && config.navigationMode === 'linear' ) {
+			routes.right = routes.right || routes.down;
+			routes.left = routes.left || routes.up;
+		}
+
 		// Reverse horizontal controls for rtl
 		if( config.rtl ) {
 			var left = routes.left;