From cff76ecb51e35a3eb2c55db839b5c87b87e4daa2 Mon Sep 17 00:00:00 2001
From: Adam Bozanich <adam.boz@gmail.com>
Date: Wed, 21 Apr 2010 02:08:40 -0700
Subject: [PATCH] include 0 in series data

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

diff --git a/dygraph.js b/dygraph.js
index dc4ff2b..a9b14ab 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -1523,7 +1523,7 @@ Dygraph.prototype.drawGraph_ = function(data) {
 
     var series = [];
     for (var j = 0; j < data.length; j++) {
-      if (data[j][i] || !connectSeparatedPoints) {
+      if (data[j][i] !== undefined || !connectSeparatedPoints) {
         var date = data[j][0];
         series.push([date, data[j][i]]);
       }
-- 
2.7.4