mhevery/gist:587658

## gistfile1.phtml
<html>
<head>
       <script type="text/javascript" src="http://angularjs.org/ng/js/
angular-debug.js" ng:autobind></script>
               </script>
       <script>
               function Ctrl ()
               {
                       this.master_1 =
                       {
                               val_a: "a",
                               val_b: "b",
                               selectedValue: "a"
                       }
                       this.master_2 =
                       {
                               selectedValue: "a"
                       }
                       this.form_1 = angular.copy( this.master_1 );
                       this.form_2 = angular.copy( this.master_2 );
               }
       </script>
</head>
<body xmlns:ng="http://angularjs.org" >
  <div ng:controller="Ctrl">
    <pre>form_1: {{form_1|json}}</pre>
<!-- does not work -->
    <input type="radio" name="form_1.selectedValue" value="{{form_1.val_a}}"  />{{form_1.val_a}}
    <input type="radio" name="form_1.selectedValue" value="{{form_1.val_b}}"  />{{form_1.val_b}}
    <hr />
    <pre>form_2: {{form_2|json}}</pre>
<!-- works -->
    <input type="radio" name="form_2.selectedValue" value="a" />a
    <input type="radio" name="form_2.selectedValue" value="b" />b
  </div>
</body>
</html>
	<html>
	<head>
	<script type="text/javascript" src="http://angularjs.org/ng/js/
	angular-debug.js" ng:autobind></script>
	</script>
	<script>
	function Ctrl ()
	{
	this.master_1 =
	{
	val_a: "a",
	val_b: "b",
	selectedValue: "a"
	}
	this.master_2 =
	{
	selectedValue: "a"
	}
	this.form_1 = angular.copy( this.master_1 );
	this.form_2 = angular.copy( this.master_2 );
	}
	</script>
	</head>
	<body xmlns:ng="http://angularjs.org" >
	<div ng:controller="Ctrl">
	<pre>form_1: {{form_1\|json}}</pre>
	<!-- does not work -->
	<input type="radio" name="form_1.selectedValue" value="{{form_1.val_a}}" />{{form_1.val_a}}
	<input type="radio" name="form_1.selectedValue" value="{{form_1.val_b}}" />{{form_1.val_b}}
	<hr />
	<pre>form_2: {{form_2\|json}}</pre>
	<!-- works -->
	<input type="radio" name="form_2.selectedValue" value="a" />a
	<input type="radio" name="form_2.selectedValue" value="b" />b
	</div>
	</body>
	</html>