Following the XHTML Path
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As of the writing of this article, only one browser supports XML and full support is not included. Internet Explorer 5.0 has a low level XML parser built into it. At the time of IE 5.0 release, XML was still under consideration by the W3C. Microsoft has promised full XML support in later release versions of Internet Explorer. Netscape and Opera have both pledged to support XHTML fully in the next releases of their respective browsers. By this time next year every browser will offer some XML support in some fashion, however we will have to wait and see exactly what that support will be. The nice thing about coding in XHTML now is that it does degrade nicely in all browsers. So your pages should display just fine in all version 4.0 browsers.
The one aspect that every Web page designer has wanted was cross browser compatibility. By current standards, when you code HTML you must either code separately for each browser you wish to support or you must code in such a fashion that all browsers will accept the HTML that you create. In the latter example, coding in this manner usually leads to rather boring and plain pages that may take longer then average to download.
By using XML and XHTML in this manner, you should only have to code once and one time only as the proper DTD will be supported and available from the manufacture of the device. This way, you can concentrate on the data you wish to present and cross link it to the proper DTD. Your XSL or CSS will define the layout and your SAX or DOM will make the presentation dynamic if the device will support it. The future looks bright and exciting, but the first steps have just begun. So take your first steps along the XML and XHTML paths. You will be amazed at what you will be able to do.
webreference.com/xml/ - XML series by Michael Classen
www.softquad.com/ - XMetal 2.0 by SoftQuad
validator.w3.org/ - W3C's HTML and XHTML Validator
webreference.com/xml/column6/ - XHTML vs. HTML
www.w3.org/TR/xhtml1/ - for XHTML 1.0 specifications
www.w3.org/TR/xhtml11/ - XHTML specifications under review
webreference.com/xml/column8/ - XML editor review
www.w3.org/TR/xhtml-prof-req/ - Document Profiles for devices
www.w3.org/Talks/1999/12/XHTML-XML99/slide1.html - Summary
About the author:
David Jenkins is a free lance web page developer and an avid amature guitarist. His current project is a XML-driven post board site located at http://boards-net.com. You may contact David at firstname.lastname@example.org.
This article first appeared on WebReference.com.