Errors:
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
No space between attributes.
Duplicate attribute “class”.
Element “div” is missing one or more of the following attributes: “role”.
Bad value “article” for attribute “role” on element “section”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.
Attribute “autocomplete” is only allowed when the input type is “color”, “date”, “datetime-local”, “email”, “hidden”, “month”, “number”, “password”, “range”, “search”, “tel”, “text”, “time”, “url”, or “week”.
Duplicate ID “edit-actions”.
Warnings:
The “article” role is unnecessary for element “article”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Empty heading.
Attribute “aria-required” is unnecessary for elements that have attribute “required”.
The “button” role is unnecessary for element “summary”.
The first occurrence of ID “edit-actions” was here.
The “navigation” role is unnecessary for element “nav”.
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