diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/src/core/selection-call.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/core/selection-call.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,13 @@
+//
+// Note: assigning to the arguments array simultaneously changes the value of
+// the corresponding argument!
+//
+// TODO The `this` argument probably shouldn't be the first argument to the
+// callback, anyway, since it's redundant. However, that will require a major
+// version bump due to backwards compatibility, so I'm not changing it right
+// away.
+//
+d3_selectionPrototype.call = function(callback) {
+  callback.apply(this, (arguments[0] = this, arguments));
+  return this;
+};