WAP2.0 specifies XHTML as the content-authoring language for the next-generation wireless access protocol. XHTML Mobile Profile is a subset of XHTML that provides a versatile and efficient way to program for various mobile devices. Content authored in this language will also be suitable for display in a PC-based environment.

XHTML documents MUST have a DOCTYPE Declaration and it must validate against one of the three Doctypes, Strict, Transitional or Frameset!

An element can be given attributes, which provide more information about it. An attribute is indicated thus: first comes the name of the attribute, followed by =, then the value of the attribute contained in quotes. For example:

If you're starting your career designing or developing for mobile devices using XHTML, you've made a good choice. You probably already know about XHTML tools, tricks, and design. However, we'd like to caution you: designing for mobile devices is not like designing for large-screen devices. Differences include:

There are a few difference between HTML and XHTML, but the main and most important of them is that you must close all tags within an XHTML document!

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.

The syntax of XHTML is exactly the same as HTML, except for a few rules you need to follow. These rules ensure that the page is written cleanly, with correct code. Below are the rules of XHTML.

(In XHTML, special character sets are used to escape symbols that the browser may
confuse with markup.)

The basic markup language for the WML2, is based on the Basic profile of XHTML as defined by the W3C. By using the XHTML modularization approach, the WML2 language is very extensible, permitting additional language elements to be added as needed.

If you've created a web page in the last five years or so, you'll be familiar with HTML - HyperText Markup Language. For a long time it was the standard web language. Now and into the future, however, XHTML - Extensible HyperText Markup Language - is the new standard. XHTML combines the familiar structure of HTML with the flexibility of XML (Extensible Markup Language).

Provides more information about a document in the source document.

"Whether you hand-code your web pages or let a WYSIWYG application generate tags, you probably author in HTML. But the World Wide Web Consortium now recommends XHTML, a hybrid that works much like HTML but is based on XML, a super markup language. And making the switch to XHTML is easy..."

CSS Example for netConnect. By Carrie Bickner. ... If you use CSS to format and style
XHTML documents, site redesign is mostly a matter of changing style sheets. ...

Chapter 1 Introduction to HTML and XHTML

Translation from HTML to XHTML is truly a breeze. Instead of thinking of it as a full-blown conversion process, think of it as cleaning up your HTML document. XHTML uses the same elements—the only difference is syntax and rules. We break them down for you in the following sections.

All output from a JWIG service has the form of XHTML documents, which are sent to the client to be shown in a browser window. These XHTML documents are constructed in the JWIG program by means of XML templates.

What's wrong with the present HTML to warrant a change? Why did the keepers of the 'Net decide on XHTML instead of new tags for an HTML 5.0 version?

Figure A shows the relationship between XHTML 1.0, XHTML Basic, and the XHTML Mobile Profile. Combined with WAP Cascading Style Sheets (WAP CSS), XHTML Mobile Profile provides a versatile environment for content presentation on a range of mobile device types supporting WAP2.0.

How to Use DeltaXML Markup with XHTML

HTML is based on SGML and is defined by the World Wide Web Consortium (www.w3.org/MarkUp/html-spec/).