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XHTML is a combination of HTML and XML (EXtensible
Markup Language).
XHTML consists of all the elements in HTML 4.01
combined with the syntax of XML.
Why XHTML?
We have reached a point where many pages on the WWW contain
"bad" HTML.
The following HTML code will work fine if you view it in a
browser, even if it does not follow the HTML rules:
<html>
<head>
<title>This is bad HTML</title>
<body>
<h1>Bad HTML
</body>
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XML is a markup language where everything has to be marked up
correctly, which results in "well-formed" documents.
XML was designed to describe data and HTML was designed to
display data.
Today's market consists of different browser technologies,
some browsers run Internet on computers, and some browsers run
Internet on mobile phones and hand helds. The last-mentioned do
not have the resources or power to interpret a "bad" markup
language.
Therefore - by combining HTML and XML, and their strengths,
we got a markup language that is useful now and in the future -
XHTML.
XHTML pages can be read by all XML enabled devices AND while
waiting for the rest of the world to upgrade to XML supported
browsers, XHTML gives you the opportunity to write "well-formed"
documents now, that work in all browsers and that are backward
browser compatible !!! |
