French document

Hello,

If my XHTML document contains French text, should I use "-//W3C//DTD
XHTML 1.0 Strict//FR" in <!DOCTYPE...> and/or xml:lang="fr" lang="fr"
in <html...>? Thank you in advance dor your help.

-- 
        Pierre Crescenzo
                mailto:Pierre.Crescenzo@unice.fr
                http://www.crescenzo.nom.fr/