On Mon, Jul 13, 2009 at 10:40 AM, jidanni@jidanni.org wrote:
It turns out it is not easy so early in HTML 5 history, but after looking http://www.google.com.tw/search?q=validate+HTML5&ie=utf-8&oe=utf-8 I finally found http://www.w3.org/QA/2008/08/html5-validator-beta an HTML 5 validator http://qa-dev.w3.org/wmvs/HEAD/ and proceeded to find genuine invalid MediaWiki HTML 5 invalidities http://qa-dev.w3.org/wmvs/HEAD/check?uri=http://transgender-taiwan.org/&...
You can just use validator.w3.org.