HTML5 validation fails

It is fixed in 7.x-1.7

The same problem again.

validator.w3.org:
Result: 11 Errors, 11 warning(s)

Line 11, Column 48: Attribute xmlns:content not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:content is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:dc not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:dc is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:foaf not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:foaf is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:og not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:og is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:rdfs not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:rdfs is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:sioc not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:sioc is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:sioct not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:sioct is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:skos not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:skos is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute xmlns:xsd not allowed here.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 11, Column 48: Attribute with the local name xmlns:xsd is not serializable as XML 1.0.
xmlns:xsd="http://www.w3.org/2001/XMLSchema#">

Line 14, Column 85: Attribute datatype not allowed on element meta at this point.
…about="/main" property="sioc:num_replies" content="0" datatype="xsd:integer" />
Attributes for element meta:
Global attributes
name
http-equiv
content
charset
Line 14, Column 85: RDFa Core attribute datatype is not allowed in HTML5 + RDFa 1.1 Lite documents. Consider checking against the HTML5 + RDFa 1.1 schema instead.
…about="/main" property="sioc:num_replies" content="0" datatype="xsd:integer" />

Line 62, Column 11: Element p not allowed as child of element hgroup in this context. (Suppressing further errors from this subtree.)

Contexts in which element p may be used:
Where flow content is expected.
Content model for element hgroup:
One or more h1, h2, h3, h4, h5, and/or h6 elements.

forgot to change ver. to 7.x-1.9

Using vanilla latest (1.9), there are 7 Errors.

p not allowed as child of element hgroup in this context.
<p></p><!--site slogan-->

An img element must have an alt attribute
<img src="/sites/all/themes/business/images/slide-image-1.jpg"></a>

idem for slide-image 2 and 3

Bad value 1 for attribute rel on element a:
<a rel="1" href="#">1</a>

idem for 2 and 3

#2122125