>>If your documents are html4 compliant or xhtml1 compliant they are already xml compliant.
>
>Well, they are probably not because I do not code HTML in XML. Unless I am missing something...

All xml compliant means is they have a closing tag for every opened tag or they are self closing, and the attribute values nhave qoutes around them, but the browsers will still let you get away with murder.

Xhtml was literally an xml document.

Html 4 and 5 are xml documents with a DOCTYPE


>>All browsers have been html5 compliant for a while, including mobile, even older blackberrys.
>
>Do you know why we do not see that much Web sites benefiting of those drag & drop, graphics and such? Is it because this has not been totally approved at the corporate level, not enough experience or such?
>
>>My DoodleMe app sends a url with x and y coordinates and that render on the client using the html5 canvas and it has worked absolutely everywhere.
>
>Do you have a like for that, assuming it is public, so I can have an overview of what it does?

Look at my posts in android forum, ect for a demonstration. If you can't find it, let me know.