code: function() {
  				var a = deep.aup({
  					_deep_sheet_: true,
  					"dq.bottom::.//!": {
  						bloup: true
  					}
  				}, {
  					_deep_sheet_: true,
  					"dq.bottom::.//!": {
  						hello: "world"
  					}
  				});
  				return deep.nodes(a).equal({
  					_deep_sheet_: true,
  					"dq.bottom::.//!": {
  						hello: "world",
  						bloup: true
  					}
  				});
  			}
docs: /*
  DEPRECATED TO USE backgrounds in sheets application
  
  sheets_as_backgrounds_twice:function(){
  return deep.nodes({
  test:false,
  _backgrounds:[{
  base:"yes"
  }, {
  _deep_sheet_:true,
  "dq.bottom::./!":{
  _backgrounds:[{ doubleBack:true }],
  hello:"world"
  }
  }]
  })
  .flatten()
  .equal({
  doubleBack:true,
  hello:"world",
  base:"yes",
  test:false
  });
  },