* Link to the upstream bug report. * No need to specify the default value for an option. * Use the new _super() UI method to open the dialog, avoiding a direct reference to the parent. * Fix typo in comment. * Use public isOpen() method rather than a private property. props scott.gonzalez. fixes #22399. git-svn-id: http://core.svn.wordpress.org/trunk@22514 1a063a9b-81f0-0310-95a4-ce76da25c4cd