Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Bad value “CACHE-CONTROL” for attribute “http-equiv” on element “meta”.
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “p” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “start_title”.
Duplicate ID “date_st”.
Duplicate ID “end_title”.
Duplicate ID “date_ed”.
Duplicate ID “cheap_date”.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “” for attribute “label” on element “option”: Must not be empty.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Bad value for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Stray end tag “a”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “start_title” was here.
The first occurrence of ID “date_st” was here.
The first occurrence of ID “end_title” was here.
The first occurrence of ID “date_ed” was here.
The first occurrence of ID “cheap_date” was here.
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