Errors:
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Attribute “itle” not allowed on element “a” at this point.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “about” not allowed on element “article” at this point.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Duplicate attribute “class”.
Attribute “<div” not allowed on element “div” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Stray end tag “section”.
Stray end tag “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “article” role is unnecessary for element “article”.
Attribute “<div” is not serializable as XML 1.0.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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