Version 0.8.10.1

dart/pkg/polymer_expressions/lib/polymer_expressions.dart

Index: dart/pkg/polymer_expressions/lib/polymer_expressions.dart
===================================================================
--- dart/pkg/polymer_expressions/lib/polymer_expressions.dart	(revision 29785)
+++ dart/pkg/polymer_expressions/lib/polymer_expressions.dart	(working copy)
@@ -70,6 +70,17 @@
   prepareBinding(String path, name, node) {
     if (path == null) return null;
     var expr = new Parser(path).parse();
+
+    // For template bind/repeat to an empty path, just pass through the model.
+    // We don't want to unwrap the Scope.
+    // TODO(jmesserly): a custom element extending <template> could notice this
+    // behavior. An alternative is to associate the Scope with the node via an
+    // Expando, which is what the JavaScript PolymerExpressions does.
+    if (isSemanticTemplate(node) && (name == 'bind' || name == 'repeat') &&
+        expr is EmptyExpression) {
+      return null;
+    }
+
     return (model, node) {
       if (model is! Scope) {
         model = new Scope(model: model, variables: globals);