Errors:
Duplicate attribute “prefix”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Heading cannot be a child of another heading.
End tag “br”.
Stray end tag “h2”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “iconcol_c”.
Duplicate ID “border_on_mob”.
Duplicate ID “iconcol_a”.
Duplicate ID “iconcol_b”.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Saw “'” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “'” not allowed on element “a” at this point.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Stray start tag “script”.
Warnings:
Empty heading.
The first occurrence of ID “iconcol_c” was here.
The first occurrence of ID “border_on_mob” was here.
The first occurrence of ID “iconcol_a” was here.
The first occurrence of ID “iconcol_b” was here.
Attribute “'” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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