Design a Website class 3

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XML Overview

the markup syntax of XML is very similar to HTML, but in XML you make you own tags. XML is often used to describe data. XML can be used like a light weight database. Since you define your own tags in XML, you need to make an XML Schema, usually in the form of a DTD so the document knows what kind of tags can be used.

XHTML Review

xhtml documents need to start with a doc type 

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


xhtml documents should have a namespace and language declared in the html element. 

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

xhtml documents should declare a character set 

<head>
     <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />

and then our standard set of tags required for an xhtml document. 

<title></title>
 </head>
 <body>
 </body>
 </html>

So a good template that you could use to start all your xhtml documents looks like this: 

<!DOCTYPE html 
      PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
     <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
     <title></title>
 </head>
 <body>
 </body>
 </html>

my page (even though it has no content) validates

ASSIGNED READING w3schools xhtml intro

REFERENCE w3schools xhtml reference page


CSS Intro

ASSIGNED READING w3school css intro

REFERENCE w3school css reference page

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