Mamedev.org W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “new-news-nav” was here.
The first occurrence of ID “old-news-nav” was here.
Errors:
Bad value “18px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “form” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Attribute “disabled” not allowed on element “a” at this point.
The “tt” element is obsolete. Use CSS instead.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad value “https://github.com/mamedev/mame/tree/master/language"” for attribute “href” on element “a”: Illegal character in path segment: “"” is not allowed.
Duplicate ID “new-news-nav”.
Duplicate ID “old-news-nav”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
China CN