Recursos XHTML

Vínculos:

XHTML^™ 1.0: The Extensible HyperText Markup Language
Documento Oficial de W3C sobre el estándar XHTML.

XHTML.org
This site provides information related to XHTML.

XHTML^™ 1.0: El Lenguaje de Etiquetado Hipertextual Extensible
Esta especificación define XHTML 1.0, una reformulación de HTML 4.0 como aplicación XML 1.0, y tres definiciones de tipo de documentos (DTD) correspondientes a las usadas en HTML 4.0. El significado de los elementos y sus atributos se encuentran en la Recomendación del W3C para HTML 4.0 y conforman la base para una futura extensión de XHTML. La compatibilidad con agentes de usuario HTML existentes es posible siguiendo un pequeño conjunto de reglas.

Tutorial de XHTML;
XHTML 1.0 became an official W3C Recommendation January 26, 2000. A W3C Recommendation means that the specification is stable, that it has been reviewed by the W3C membership, and that the specification is now a Web standard.

Introduction to XHTML, with eXamples
XHTML 1.0 is the first step toward a modular and extensible web based on XML (Extensible Markup Language). It provides the bridge for web designers to enter the web of the future, while still being able to maintain compatibility with today's HTML 4 browsers. It is the reformulation of HTML 4 as an application of XML. It looks very much like HTML 4, with a few notable exceptions, so if you're familiar with HTML 4, XHTML will be easy to learn and use. XHTML 1.0 was released on January 26th as a Recommendation by the W3C