Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “en_US” for attribute “lang” on element “html”: The language subtag “en_us” is not a valid language subtag.
Stray end tag “base”.
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “rules” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Table column 3 established by element “td” has no cells beginning in it.
Table column 6 established by element “td” has no cells beginning in it.
Table column 9 established by element “td” has no cells beginning in it.
Table column 12 established by element “td” has no cells beginning in it.
Table column 15 established by element “td” has no cells beginning in it.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
The “tt” element is obsolete. Use CSS instead.
Bad value “_shareme” for attribute “target” on element “a”: Reserved keyword “shareme” used.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “mailto:peter09@thoeny.org?subject=TWiki Feedback on TWiki.org Homepage” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Element name “g:plusone” cannot be represented as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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