403     Backbone.history.start({root: '/root', hashChange: false, silent: true});  property
408     Backbone.history.start({root: '/root/', hashChange: false, silent: true});  property
445     Backbone.history.start({hashChange: false});  property
455     Backbone.history.start({hashChange: false, root: '/root/'});  property
467     Backbone.history.start({hashChange: false, root: '/root/', silent: true});  property
486       hashChange: false  property
507       hashChange: false  property
607       hashChange: false  property
731       hashChange: false  property
756       hashChange: false  property
774     Backbone.history.start({pushState: true, hashChange: false, root: 'root'});  property
790     Backbone.history.start({pushState: true, hashChange: false});  property
806     Backbone.history.start({pushState: true, hashChange: false, root: 'root'});  property
830     Backbone.history.start({pushState: true, hashChange: false});  property