default Markup Validator Validateur de balises An observer which validates (X)HTML. Un observateur qui valide le (X)HTML. http://www.w3.org/Unicorn/markup-observer/help http://www.w3.org/Unicorn/markup-observer/help_fr text/html application/xhtml+xml image/svg+xml application/mathml+xml application/smil+xml W3C Le W3C markup-validator URI url DIRECT fragment UPLOAD uploaded_file