return a.hasAttribute("tabindex")||_b.test(a.nodeName)||a.href?a.tabIndex:-1}}}}),k.optSelected||(n.propHooks.selected={get:function(a){var b=a.parentNode;return b&&b.parentNode&&b.parentNode.selectedIndex,null}}),n.each(["tabIndex","readOnly","maxLength","cellSpacing","cellPadding","rowSpan","colSpan","useMap","frameBorder","contentEditable"],function(){n.propFix[this.toLowerCase()]=this});var ac=/[\t\r\n\f]/g;n.fn.extend({addClass:function(a){var b,c,d,e,f,g,h="string"==typeof a&&a,i=0,j=this....

* Update docs for first steps, links and rewording. PR [#1518](https://github.com/tiangolo/fastapi/pull/1518) by [@yankeexe](https://github.com/yankeexe).
* Enable `showCommonExtensions` in Swagger UI to show additional validations like `maxLength`, etc. PR [#1466](https://github.com/tiangolo/fastapi/pull/1466) by [@TiewKH](https://github.com/TiewKH).