code: function() {
  				var a = {
  					_foregrounds: [{
  						_deep_sheet_: true,
  						"dq.bottom::.//!": {
  							hello: "tulip"
  						}
  					}],
  					bloup: true
  				};
  				return deep.nodes(a).flatten()
  					.equal({
  						hello: "tulip",
  						bloup: true
  					});
  			}
docs: /*sheets_in_classes:function(){
  
  var C = deep.Classes(function(){
  
  }, {
  test:false
  },
  {
  _deep_sheet_:true,
  "dq.bottom::.//!":{ hello:"tulip" }
  });
  return deep.nodes(new C())
  .equal({
  hello:"tulip",
  test:false
  });
  },
  sheets_in_compile:function(){
  var c = deep.bottom({
  test:false
  },
  {
  _deep_sheet_:true,
  "dq.bottom::.//!":{ hello:"tulip" }
  }, { yop:14 });
  return deep.nodes(c)
  .equal({
  hello:"tulip",
  test:false,
  yop:14
  });
  },