A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
W3C Schema namespacesee Namespaces and MathML
warninguse <boxed-text>
WCAGsee Accessibility
website, cited examplesee Website
web summarysee @abstract-type
western name formatuse @name-style
what are you countinguse @count-type
which term to usesee @term-status
whitespacesee <preformat>see @xml:space
widthsee @cellspacing
winteruse <season>
word indexsee <glossary>
writing, contribution tosee <role>