From 680598af95e5627feb5951a8dbf9daecb15c8685 Mon Sep 17 00:00:00 2001
From: Wim Bruynooghe <wim@wimme.net>
Date: Fri, 31 May 2013 16:48:46 +0300
Subject: [PATCH] Add comment

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

diff --git a/dygraph.js b/dygraph.js
index 9f9dc26..65eecb8 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -2823,6 +2823,7 @@ Dygraph.prototype.extractSeries_ = function(rawData, i, logScale) {
       // This will create a gap in the chart.
       if (errorBars || customBars) {
         for (var k = 0; k < point.length; k++) {
+          // point.length is either 2 (errorBars) or 3 (customBars)
           if (point[k] <= 0) {
             point = null;
             break;
-- 
2.7.4