--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/core/rebind.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,7 @@
+// A getter-setter method that preserves the appropriate `this` context.
+d3.rebind = function(object, method) {
+  return function() {
+    var x = method.apply(object, arguments);
+    return arguments.length ? object : x;
+  };
+};