As you know, XML is case sensitive: A tag defined in all uppercase letters needs to be written in all uppercase letters; a tag defined all in lowercase needs to be written all in lowercase. In XHTML, all tags are defined in lowercase. When writing XHTML 1.0 documents refer to the HTML 4.01 specification for information about specific tags and arguments, specificaly the "Index of Elements" and the "Index of Attributes." Any examples you see will remain nearly the same when converted to XHTML, except that you will need convert everything to
The evolution of HTML has essentially stopped. Instead, HTML is being replaced by a new language, called XHTML. XHTML is in many ways similar to HTML, but is designed to work with the new eXtensible Markup Language, or XML, that will soon serve as the core language for designing all sorts of new Web applications, in which XHTML will be only one of many "languages." But, XHTML is designed to work with these other language, so that different documents, in different languages, can be easily mixed together.
For this to work, the rules for writing HTML
The evolution of HTML has essentially stopped. Instead, HTML is being replaced by a new language, called XHTML. XHTML is in many ways similar to HTML, but is designed to work with the new eXtensible Markup Language, or XML, that will soon serve as the core language for designing all sorts of new Web applications, in which XHTML will be only one of many "languages." But, XHTML is designed to work with these other language, so that different documents, in different languages, can be easily mixed together.
For this to work, the rules for writing HTML
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