2009 Sep 24, 3:58"Put more constructively, if GCF mentioned application/xhtml+xml AND intercepted it, my site would “just work”. But that wouldn’t be an “opt in”, a concept that Ian Hickson once described as yet
another quirks mode switch."
chrome google web browser extension webbrowser mime xml xhtml technical 2009 Sep 10, 7:22HTML validator can validate that your document is both HTML and XHTML at the same time.
html5 xhtml html validator technical web polyglot 2007 Apr 17, 2:54Its a little ruby tutorial that runs in your browser.
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