Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] x-height (fonts) XHTML XHTML I, quick reference (HTML) XLink XML data structuring external style sheets family of technologies HTML to XHTML hypothetical XML-based formats license-free modular format platform-independence support tables text format verbosity XML schemas XPointer XSL (eXtensible Style sheet Language) 2nd XSLT |