Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Duplicate ID “search-block-form”.
Duplicate ID “edit-search-block-form--2”.
Duplicate ID “edit-actions”.
Duplicate ID “edit-submit”.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “nav”.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
No “p” element in scope but a “p” end tag seen.
Attribute “datatype” not allowed on element “a” at this point.
Attribute “about” not allowed on element “div” at this point.
Duplicate ID “Symbols”.
Duplicate ID “circle-fill”.
End tag “p” implied, but there were open elements.
Unclosed element “a”.
End tag “figure” seen, but there were open elements.
No “a” element in scope but a “a” end tag seen.
The element “header” must not appear as a descendant of the “footer” element.
Bad value “13_IGS-menu” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Bad value “13_IGS_XL_menu_open_v3” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Bad value “icons/functioneel/.rfs-icon--type-cross-O” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Warnings:
The first occurrence of ID “search-block-form” was here.
The first occurrence of ID “edit-search-block-form--2” was here.
The first occurrence of ID “edit-actions” was here.
The first occurrence of ID “edit-submit” was here.
The first occurrence of ID “nav” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Symbols” was here.
The first occurrence of ID “circle-fill” was here.
Empty heading.
Netherlands NL