From 4da529fea57ba4da96ff0dc7d3701ff9913bbb73 Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Wed, 19 Jun 2013 13:23:39 -0700
Subject: [PATCH] Avoid textContent-related layout thrashing

See https://bugzilla.mozilla.org/show_bug.cgi?id=725221,
https://bugzilla.mozilla.org/show_bug.cgi?id=873425.
---
 js/lib/d3.v3.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/lib/d3.v3.js b/js/lib/d3.v3.js
index 8fd4ca883..3008e5005 100644
--- a/js/lib/d3.v3.js
+++ b/js/lib/d3.v3.js
@@ -958,8 +958,8 @@ d3_selectionPrototype.text = function(value) {
   return arguments.length
       ? this.each(typeof value === "function"
       ? function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; } : value == null
-      ? function() { this.textContent = ""; }
-      : function() { this.textContent = value; })
+      ? function() { if (this.textContent !== "") this.textContent = ""; }
+      : function() { if (this.textContent !== value) this.textContent = value; })
       : this.node().textContent;
 };