"Ruby" are short runs of text alongside the base text, typically used in East Asian documents to indicate pronunciation or to provide a short annotation. This specification defines markup for ruby, in the form of an XHTML module. (W3C Recommendation 3...

Module providing link recognition for the XHTML Family.

Working draft. Defines how XHTML modules can be built.

The current W3C XHTML specification. Includes definitions and documentation for XHTML.

The W3C Validation Service validates multiple versions of XHTML and HTML, outputting many useful errors and warnings to help users create a standards-compliant web page.

Main page for World Wide Web Consortium (W3C) XML activity and information.

An executive overview of W3C's current and historical work on the Extensible Markup Language (XML).

Official W3C site describing this language for addressing parts of an XML document which is designed to be used by both XSLT and XPointer. (W3C Recommendation 16 November 1999)

Provides simple functionalities to access a DOM tree using XPath 1.0. This module builds on top of the Document Object Model Level 3 Core. [W3C Working Draft 31 October 2001]

A specification of constructs that support addressing into the internal structures of XML documents. It provides for specific reference to elements, character strings, and other parts of XML documents, whether or not they bear an explicit ID attribute...