Errors:
The “rev” attribute on the “link” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.
The element “img” with the attribute “usemap” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Malformed byte sequence: “dc”.
Malformed byte sequence: “d1”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “bf”.
Malformed byte sequence: “e9”.
Malformed byte sequence: “e1”.
Text not allowed in element “ul” in this context.
End tag “div” seen, but there were open elements.
Unclosed element “nav”.
Stray end tag “nav”.
Attribute “u” not allowed on element “div” at this point.
“'” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
A slash was not immediately followed by “>”.
Attribute “u” not allowed on element “img” at this point.
Attribute “src2” not allowed on element “img” at this point.
Element “img” is missing required attribute “src”.
Attribute “u” not allowed on element “span” at this point.
Stray end tag “strong”.
Malformed byte sequence: “f3”.
Malformed byte sequence: “c9”.
No space between attributes.
Element “img” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “map” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The hash-name reference in attribute “usemap” referred to “planetmap”, but there is no “map” element with a “name” attribute with that value.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “;” is not serializable as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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