Orgmode.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Obsolete doctype. Expected “<!DOCTYPE html>”.
Bad value “http://fonts.googleapis.com/css?family=Droid+Serif:400,400italic|Droid+Sans&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “button” at this point.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Bad value “300px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Duplicate ID “move”.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Warnings:
The first occurrence of ID “move” was here.
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