Index[SYMBOL] [] [B] [C] [D] [] [] [] [H] [] [J] [K] [] [] [N] [O] [P] [Q] [R] [] [T] [] [] [] [X] [Y] [] X dimension XHTML 2nd 3rd 4th [See also DTDs] (Extensible Hypertext Markup Lanugage) characters to avoid 2nd compared to HTML 2nd converting HTML to 2nd 3rd defined namespaces declaring 2nd validating XHTML Mobile 2nd 3rd 4th 5th XHTML Mobile 2nd 3rd 4th 5th XHTML.org web site XML 2nd 3rd 4th (eXtensible Markup Language) defined universal data formats Web pages locating xmlns attribute (html element) XSL (eXtensible Style Sheet Language) |