Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “style” not allowed as child of element “header” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The element “a” must not appear as a descendant of the “button” element.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
Duplicate attribute “target”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete.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The “border” attribute on the “table” element is obsolete.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The “width” attribute on the “th” element is obsolete. Use CSS instead.
The “height” attribute on the “th” element is obsolete. Use CSS instead.
The element “h3” must not appear as a descendant of the “th” element.
The “font” element is obsolete. Use CSS instead.
Element “center” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Element “o:p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Attribute “times” not allowed on element “span” at this point.
Attribute “new” not allowed on element “span” at this point.
Bad value “http://www.abenge.org.br/image/Reunião no IME 2018.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Attribute “type” not allowed on element “br” at this point.
Bad value “http://www.abenge.org.br/Reunião no IME 2018.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Bad value “http://www.abenge.org.br/image/PropostaABENGE2018 .jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “http://www.abenge.org.br/image/CDIO - UNISAL.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “http://www.abenge.org.br/image/CREASP - reuniao 1.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “align” attribute on the “h1” element is obsolete. Use CSS instead.
Element “o:p” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Element “h3” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Element “h3” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “http://www.abenge.org.br/Figuras/programacao2017/Projeto Visir.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “ASECEI - Asociación Ecuatoriana de Instituciones de Ensenanza de Ingenieria - Equador ” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “IGIP - International Society for Engineering Education ” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
The “type” attribute on the “ul” element is obsolete. Use CSS instead.
End tag for “body” seen, but there were unclosed elements.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “form” role is unnecessary for element “form”.
Element name “o:p” cannot be represented as XML 1.0.
Empty heading.
This document appears to be written in Portuguese but the “html” start tag has “lang="en"”. Consider using “lang="pt"” (or variant) instead.