Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A document must not include more than one “meta” element with a “charset” attribute.
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Attribute “section-index” not allowed on element “section” at this point.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<!--” not allowed on element “div” at this point.
Attribute “use” not allowed on element “div” at this point.
Attribute “this” not allowed on element “div” at this point.
Attribute “to” not allowed on element “div” at this point.
Attribute “link” not allowed on element “div” at this point.
Attribute “on” not allowed on element “div” at this point.
Attribute “a” not allowed on element “div” at this point.
Attribute “single” not allowed on element “div” at this point.
Attribute “page” not allowed on element “div” at this point.
Attribute “layout” not allowed on element “div” at this point.
Attribute “--” not allowed on element “div” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “ng-controller” not allowed on element “div” at this point.
Duplicate ID “header-text”.
The element “button” must not appear as a descendant of the “a” element.
Element “style” not allowed as child of element “nav” in this context. (Suppressing further errors from this subtree.)
Attribute “menu-level” not allowed on element “ul” at this point.
Attribute “menu-index” not allowed on element “li” at this point.
Attribute “target” not allowed on element “span” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Attribute “<!--” is not serializable as XML 1.0.
Attribute “--” is not serializable as XML 1.0.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Empty heading.
The first occurrence of ID “header-text” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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