On 14 Jan 2011, at 18:40, Richard R. Hill wrote:
>
> Yet, the W3C validation tolls never flag a missing default CSS language
> declaration as an issue when validation XHTML.
The W3C Validation Service is a generic SGML/XML validator, not an HTML
conformance checker. It doesn't check for thing
The W3C HTML 4.01 standards specify when style attributes are used the default
style sheet language should be specified using a Content-Style-Type HTTP header
or tag. See http://www.w3.org/TR/html401/present/styles.html#h-14.2.1 .
One of the validation tools I use (TotalValidator) always flags
