Errors:
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Attribute “xmlns:rl” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Duplicate attribute “class”.
Duplicate attribute “id”.
Bad value “textbox” for attribute “type” on element “input”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Element “rl:variable” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
The element “header” must not appear as a descendant of the “header” element.
The element “footer” must not appear as a descendant of the “header” element.
Attribute “disabled” not allowed on element “a” at this point.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Warnings:
Attribute with the local name “xmlns:rl” is not serializable as XML 1.0.
Element name “rl:variable” cannot be represented as XML 1.0.
The “main” role is unnecessary for element “main”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “form” role is unnecessary for element “form”.
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