diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/src/core/selection-enter.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/core/selection-enter.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,11 @@
+function d3_selection_enter(selection) {
+  d3_arraySubclass(selection, d3_selection_enterPrototype);
+  return selection;
+}
+
+var d3_selection_enterPrototype = [];
+
+d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
+d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+d3_selection_enterPrototype.node = d3_selectionPrototype.node;