Errors:
Attribute “content” not allowed on element “script” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
A slash was not immediately followed by “>”.
Attribute “<” not allowed on element “span” at this point.
Attribute “span” not allowed on element “span” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Bad value “” for attribute “size” on element “input”: The empty string is not a valid positive integer.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Duplicate ID “y”.
Bad value “” for attribute “name” on element “input”: Must not be empty.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
Attribute “<” is not serializable as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “y” was here.
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