Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Top” for attribute “rel” on element “link”: The string “Top” 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.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “/content/download/676598/21194981/file/HW_Gesamtjahresinhalte 2006-2017_neu.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Warnings:
Potentially bad value “Copyright” for attribute “rel” on element “link”: The keyword “copyright” for the “rel” attribute should not be used. Consider using “license” instead.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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