From 96ebd92bf5bb38de504be8e4d94a51b2a5967de3 Mon Sep 17 00:00:00 2001
From: David Aurelio <david@uxebu.com>
Date: Fri, 22 Nov 2013 15:22:07 +0100
Subject: [PATCH] Prevent special paths from being constantly redrawn

Yikes!
---
 src/runner/path/special_attr_path.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/runner/path/special_attr_path.js b/src/runner/path/special_attr_path.js
index 307a94c9..f2dff6af 100644
--- a/src/runner/path/special_attr_path.js
+++ b/src/runner/path/special_attr_path.js
@@ -1,4 +1,5 @@
 define(['./path', '../../tools'], function(Path, tools) {
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
 
   function makeAccessor(attrName, defaultValue) {
     var value = defaultValue;
@@ -36,6 +37,7 @@ define(['./path', '../../tools'], function(Path, tools) {
     Path.call(this);
 
     this._isProcessingPathAttribute = false;
+    this._specialNames = Object.keys(specialAttributes);
 
     for (var attrName in specialAttributes) {
       Object.defineProperty(
@@ -67,8 +69,10 @@ define(['./path', '../../tools'], function(Path, tools) {
       // going through the entire map of attributes:
       this._isProcessingPathAttribute = true;
       attrMethod.call(this, attr);
-      this.clear();
-      this._make();
+      if (this._specialNames.some(hasOwnProperty, this._mutatedAttributes)) {
+        this.clear();
+        this._make();
+      }
       this._isProcessingPathAttribute = false;
       return this;
     }