Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
A slash was not immediately followed by “>”.
Attribute “<” not allowed on element “img” at this point.
Attribute “a” not allowed on element “img” at this point.
Start tag “a” seen but an element of the same type was already open.
Attribute “ref” not allowed on element “a” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “a”.
The element “input” must not appear as a descendant of the “a” element.
The element “label” must not appear as a descendant of the “a” element.
End tag “aside” seen, but there were open elements.
The “center” element is obsolete. Use CSS instead.
Unclosed element “center”.
Warnings:
The “complementary” role is unnecessary for element “aside”.
Attribute “<” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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