Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Duplicate ID “orange_article_bar”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
No space between attributes.
Duplicate attribute “;”.
Attribute “;” not allowed on element “hr” at this point.
Attribute “height” not allowed on element “hr” at this point.
The “width” attribute on the “hr” element is obsolete. Use CSS instead.
Bad value “lightbox[field_image][РОССИЯ ЖИВЕТ БЛАГОДАРЯ ЭНТУЗИАСТАМ]” for attribute “rel” on element “a”: The string “lightbox[field_image][РОССИЯ” is not a registered keyword.
Bad value “lightbox[field_image][НОВЫЕ ВЕХИ МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ]” for attribute “rel” on element “a”: The string “lightbox[field_image][НОВЫЕ” is not a registered keyword.
Bad value “lightbox[field_image][Представляем Вам художника Александра Дудорова,]” for attribute “rel” on element “a”: The string “lightbox[field_image][Представляем” is not a registered keyword.
Bad value “lightbox[field_image][Цикл публичных лекций Наука и культура в XXI веке]” for attribute “rel” on element “a”: The string “lightbox[field_image][Цикл” is not a registered keyword.
Bad value “lightbox[field_image][2-5 апреля 2018 года состоится 5-я Школа-конференция]” for attribute “rel” on element “a”: The string “lightbox[field_image][2-5” is not a registered keyword.
Bad value “lightbox[field_image][ТАИЛАНД - КАК МЕСТО НАУЧНОЙ ВСТРЕЧИ]” for attribute “rel” on element “a”: The string “lightbox[field_image][ТАИЛАНД” is not a registered keyword.
Duplicate ID “graph_menu_item”.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “orange_article_bar” was here.
Attribute “;” is not serializable as XML 1.0.
The first occurrence of ID “graph_menu_item” was here.
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