XHTML W3C Information

• HyperText Markup Language Home Page
  Official W3C's main page for markup languages, including jumping off links to all the XHTML information and documentation at W3C.
  
  
• XHTML 1.0: The Extensible HyperText Markup Language, A Reformulation of HTML 4 in XML 1.0
  W3C official documentation for XHTML 1.0. Addresses many questions, detailed explanations. Included: 1. What is XHTML?, 2. Definitions, 3. Differences with HTML 4, 4. Compatibility Issues, 5. Future Directions, several Appendices.
  
  
• XHTML 1.0 - Element Prohibitions
  Direct link to W3's section on HTML elements that won't work in XHTML. This one is especially handy to bookmark!
  
  
• XHTML 1.0 HTML - Compatibility Guidelines
  W3's section on handling empty elements, paragraph tags, embedded style sheets, line breaks, ampersands, more. This is another handy one to bookmark.
  
  
• XHTML 1.1 - Module-based XHTML
  W3C official documentation for XHTML 1.1. Detailed specifications, including the difference with XHTML 1.0 markup, too.
  
  

XHTML Articles

• Better Living Through XHTML 
  In his witty, upbeat, and engaging style, Jeffrey Zeldman packs in plenty of helpful tips and information all about converting your HTML to XHTML, why, what to watch out for, workarounds, terrific links to other quality resources, and more.
  [02/15/2002 by Jeffrey Zeldman for A List Apart.]
  
  
• Rated XHTML
  by Peter-Paul Koch for A List Apart. Good discussion explaining what XHTML is, reasons to use it or not use it, an overview of where things are going with HTML, XHTML, XML. Interesting reading.
  [By Peter-Paul Koch for A List Apart.]
  
  
• The XHTML Bridge
  by Simon St.Laurent for A List Apart. Explains XHTML's role very well as a bridge between HTML and XML.
  [By Simon St.Laurent for A List Apart.]
  
  
• To Use or Not to Use:
  An XHTML Roadmap for Designers
  by Molly Holzschlag, WebReview.com. Another excellent article by Molly that explains the powerfulness and ease of use of XHTML, the misunderstandings and misconceptions about XHTML, what XHTML really is, and its strength in stabilizing documents to make them more interoperable.
  [03/02/2001 by Molly Holzschlag for WebReview.com.]
  
  
• What I Learned this Summer: XHTML
  by Chuck Musciano, WebReview.com. A series on learning XHTML step by step. Written in easy to understand manner. Covers very basics - creating well formed and valid code and highlights, such as quoted attributes, lower case tags, and related.
  [06/09/2000, by Chuck Musciano, WebReview.com]
  
  
• XHTML in the Real World
  by Molly Holzschlag, WebReview.com. An excellent overview with examples of HTML, font tags, tables, CSS, the role of XHTML, and the shift of code for presentation rather than formatting.
  [06/08/2001 by Molly Holzschlag for WebReview.com.]
  
  
• XHTML: Past, present, and future
  Ann Navarro, author of XHTML by Example writes about why to use XHTML, changes from HTML 4.01 to XHTML, new requirements and behaviors, what's next. Well done.
  [09/01/2001 by Ann Navarro for c|net]
  
  

XHTML Tutorials

• Fast and Easy XHTML
  by Shirley Kaiser, for WebsiteTips.com. Wondering how to turn your HTML code into XHTML? Here are a few quick tips to teach you the very basics, a sample XHTML document, and resources for more information.
  [12/10/2001 by Shirley Kaiser for WebsiteTips.com]
  
  
• XHTML 1.0: Marking up a new dawn
  Getting familiar -- and getting started -- with the new standard
  by Molly Holzschlag for IBM's developer Works Web Architecture Library. A detailed and thorough tutorial to guide us through learning to implement XHTML. (Also available for PDF download.) A must read tutorial for XHTML.
  [by Molly Holzschlag for IBM's developer Works Web Architecture Library.]
  
  
• XHTML: An Introduction
  by Nick Wilson, Webmasterbase.com. Good introductory tutorial. Learn the basics about XHTML and adding to what you already know about HTML.
  [10/19/2001, by Nick Wilson, SitePoint, Webmasterbase.com]
  
  
• XHTML: Crossroads of HTML and XML
  by Ahmad Abualsamid, TechWeb's Network Computing. Excellent introductory article about the main coding differences between HTML and XHTML. Provides examples of XHTML codes, what to watch out for, what's incorrect, cites examples.
  
  
• XHTML Overview
  Sven Heinicke, WebMonkey. Great tutorial for XHTML, covering: XHTML overview; compliance vs. design; tags in XHTML; attributes, arguments, and anchors; document types and character sets; defining languages; keeping it clean (validation and conversion tools). Big help, good information.
  [Sven Heinicke, WebMonkey]
  
  
• XHTML School
  Learn the differences between XHTML and HTML, how to use XHTML, references, books, more. Helpful.
  [W3Schools.com]
  
  
• XHTML: The Clean Code
  Peter Wiggin explains the differences between HTML and XHTML with examples. Well done, easy to understand.
  [04-28-00, by Peter Wiggin for O'Reilly Network]
  
  
• XHTMLguru's XHTML Guide
  Articles that explain many aspects of XHTML, answers questions about what tags are supported with XHTML transitional, strict, and much more.
  [XHTMLguru.com]
  
  

Sites Devoted To XHTML

• XHTML.org
  Annotated links to W3C XHTML information and more XHTML resources.
  
  
• XHTMLguru.com
  Articles about XHTML, recommended books on XHTML and XML, resources, more.
  
  

XHTML Links Resources

• startkabel xhtml
  Resources of links to lots of XHTML info.
  
  

XHTML Reference Charts

• The Complete XHTML 1.0 Reference
  By W3Schools.com. Chart of all tags and Internet Explorer and Netscape support (or lack of support.)
  [w3schools.com]
  
  

XHTML Tools, Utilities, Plugins

• XHTML Clip Library for Notetab Pro
  XHTML tool for Notetab Pro. Includes all XHTML elements and more to assist with XHTML editing.