Errors:
Attribute “xmlns:fb” not allowed here.
Bad value “Accept-CH” for attribute “http-equiv” on element “meta”.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “display” not allowed on element “img” at this point.
Bad value “16px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “Menu” for attribute “rel” on element “a”: The string “Menu” is not a registered keyword.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Bad value “up” for attribute “rel” on element “a”: The string “up” is not a registered keyword.
Duplicate ID “PreviewTooltip”.
Element “div” not allowed as child of element “ol” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.
The first occurrence of ID “PreviewTooltip” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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