Basic Document Structure

XHTML is just like HTML, except it has a few differences in the how the document is written. First of all, unlike HTML, XHTML is much stricter about proper syntax. The list of "coding" styles that must be followed follows:

All tags must be in lowercase [incorrect: <BODY> correct: <body>]
All tags must be closed, including tags with replaced content. Fore example, <br> was correct in html, but in XHTML, it must look like: <br />. the " /" closes the tag. Also, closing the <li> tag was optional in HTML, but it must be closed in XHTML.
Other various syntax restrictions.

Below is a sample of the "smallest" XHTML document you can have. It will be used as a base for the rest of the lesson.


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html lang="en">

<head>

<title>Page Title</title>

<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />

</head>

<body>

</body>

</html>

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Basic Document Structure

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