From 9ec21d0ac23104544e00892196eca0129c5e504a Mon Sep 17 00:00:00 2001
From: Robert Konigsberg <konigsberg@google.com>
Date: Thu, 31 Mar 2011 11:38:15 -0400
Subject: [PATCH] Bug in panEdgeFraction -- release prior values so that you
 can unset the pan edge fraction.

---
 dygraph.js      | 2 ++
 tests/zoom.html | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/dygraph.js b/dygraph.js
index 1f188e2..be1cecb 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -1161,6 +1161,8 @@ Dygraph.endPan = function(event, g, context) {
   context.initialLeftmostDate = null;
   context.dateRange = null;
   context.valueRange = null;
+  context.boundedDates = null;
+  context.boundedValues = null;
 }
 
 // Called in response to an interaction model operation that
diff --git a/tests/zoom.html b/tests/zoom.html
index 483a1ce..6073a33 100644
--- a/tests/zoom.html
+++ b/tests/zoom.html
@@ -33,7 +33,7 @@
       <br> <br>
       <input type="button" value="Unzoom" onclick="unzoomGraph()">&nbsp;
       <br> <br>
-      <input type="button" value="pan frame 0" onclick="panEdgeFraction(0)">&nbsp;
+      <input type="button" value="pan frame null" onclick="panEdgeFraction(null)">&nbsp;
       <input type="button" value="pan frame 0.1" onclick="panEdgeFraction(0.1)">&nbsp;
       <input type="button" value="pan frame 0.5" onclick="panEdgeFraction(0.5)">&nbsp;
       </p>
-- 
2.7.4