it should correctly invoke a function with a body
==========
{
	_locals:
	{
		withBodyNoArgs: function(fn)
		{
			var x = 10;
			var y = 5;
			var buf = [];
			fn(buf);
			return "<<< " + (x+y) + ", " + buf.join("").trim() + " >>>";
		},

		withBodyArgs: function(x, y, fn)
		{
			var buf = [];
			fn(buf);
			return "<<< " + (x+y) + ", " + buf.join("").trim() + " >>>";
		},
		add: function(x, y)
		{
			return x+y;
		}
	}
}
==========
ONE
<%=withBodyNoArgs(function(){ %>
	YOP
<%});%>
<%=withBodyArgs(10, 20, function(){ %>
	{add 1, 2 / }
<%});%>
THREE
==========
ONE
<<< 15, YOP >>>
<<< 30, 3 >>>
THREE