Re: Markup Validator: Result changes by the checking method

On Friday 19 February 2010, Makoto Mizukami wrote:

> I found out that the validation result varies by the validation method
> (URI, File Upload, Direct Input) if it includes an data: URI
> reference.
[...]
> If I validate this fragment by "Direct Input", the validator says that
> the document is valid.
> However, if I validate it by "File Upload" or "URI", the validator
> says that the document is invalid since it has wrong URI reference.

The presence of a data: URI is most likely not relevant; the direct input 
method is just broken for all HTML5 documents.  
http://www.w3.org/Bugs/Public/show_bug.cgi?id=6747