From 0852f6326cebafe96bc06318fe67839f38b12093 Mon Sep 17 00:00:00 2001
From: Pieter de Bie <pdebie@ai.rug.nl>
Date: Mon, 1 Dec 2008 15:56:58 +0100
Subject: [PATCH] DiffHighlighter: Don't display a diff if there's nothing to
 display

---
 html/lib/diffHighlighter.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/html/lib/diffHighlighter.js b/html/lib/diffHighlighter.js
index 73dc787..34f9b13 100644
--- a/html/lib/diffHighlighter.js
+++ b/html/lib/diffHighlighter.js
@@ -7,6 +7,9 @@ if (typeof Controller == 'undefined') {
 }
 
 var highlightDiff = function(diff, element, callbacks) {
+	if (!diff || diff == "")
+		return;
+
 	if (!callbacks)
 		callbacks = {};
 	var start = new Date().getTime();