Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “toppencil” was here.
The “charset” attribute on the “script” element is obsolete.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Errors:
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Duplicate ID “toppencil”.
CSS: “float”: “center” is not a “float” value.
Bad value “” for attribute “longdesc” on element “img”: Must be non-empty.
The “longdesc” attribute on the “img” element is obsolete. Use a regular “a” element to link to the description.
The “center” element is obsolete. Use CSS instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
CSS: “text-decoration”: “italic” is not a “color” value.
Stray end tag “div”.
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