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XHTML
What is XHTML?
XHTML is a family of current and future document types and modules that reproduce, subset, and extend HTML 4. XHTML family document types are XML based, and ultimately are designed to work in conjunction with XML-based user agents. The XHTML family is the next step in the evolution of the Internet. By migrating to XHTML today, content developers can enter the XML world with all of its attendant benefits, while still remaining confident in their content's backward and future compatibility. This will make it easier for content providers to produce content for a wide range of platforms, with better assurances as to how the content is rendered.
- XHTML 1.0 is the first document type in the XHTML family and a reformulation of HTML 4 in XML. It relies on HTML 4.01 for the meanings of HTML tags.
- XHTML Basic is the second Recommendation in a series of XHTML specifications. It includes the minimal set of modules required to be an XHTML Host Language document type and is designed for Web clients that do not support the full set of XHTML features (e.g., mobile phones, PDAs, pagers, and settop boxes).
- Modularization of XHTML is the third Recommendation in a series of XHTML specifications. It specifies an abstract modularization of XHTML and an implementation of the abstraction using XML Document Type Definitions (DTDs). This modularization provides a means for subsetting and extending XHTML.
- XHTML™ 1.1 - Module-based XHTML is a new XHTML document type that is based upon the module framework and modules defined in Modularization of XHTML.
What's the difference among XHTML 1.0, XHTML Basic & XHTML 1.1?
The first step was to reformulate HTML 4 in XML, resulting in XHTML 1.0. The next step is to modularize the elements and attributes into convenient collections for use in documents that combine XHTML with other tag sets. The modules are defined in Modularization of XHTML. XHTML Basic is an example of fairly minimal build of these modules and is targeted at mobile applications. XHTML 1.1 is an example of a larger build of the modules, avoiding many of the presentation features. While XHTML 1.1 looks very similar to XHTML 1.0 Strict, it is designed to serve as the basis for future extended XHTML Family document types, and its modular design makes it easier to add other modules as needed or integrate itself into other markup languages.
XHTML FAQ, Tutorials, and Articles
XHTML School
XHTML 1.0: Marking up a new dawn
XHTML Modularization - an Overview
XHTML Presentation at XML99
XHTML: The Clean Code Solution
XHTML Overview
Clean up your Web pages with HTML TIDY
XHTML Mail List
Subscribe to XHTMLDev-subscribe@YahooGroups.com
Subscribe to beginning_xhtml@p2p.wrox.com
XHTML-L
XHTML Specification & Reference
W3C XHTML™ 1.1 - Module-based XHTML
Modularization of XHTML™ in XML Schema
XHTML Basic: XHTML For Small Information Appliance
XHTML Event
XHTML 1.0 reference with examples
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