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Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y tag. First, we have something very similar to LINK: the @import directive. Just like LINK, @import can be used to direct the web browser to load an external style sheet and use its styles in the rendering of the HTML document. The only real difference is in the actual syntax of the command and its placement. As you can see, @import is found inside the STYLE container. It must be placed there, before the other CSS rules, or else it won't work at all. | Z



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selectors in CSS1, they should be ignored by CSS1-only parsers. Ifthey aren't ignored, then they're likely to cause strangeresults. Therefore, it might be a good idea to omit the universalselector in conjunction with class and ID selectors.

BODY > P {color: green;}<BODY><P>This paragraph is green.</P><DIV>
By using XML and Java, you can quickly create and use information that is properly structured and valid. By using (or creating) DTDs and storing your information in XML documents, you have a cross-platform and language independent data validation mechanism (for free) in all your projects!

You might use XML to define file formats to store information that is generated and used by your applications. This is another use of the structured nature of XML. The only limitation is that binary information can't be embedded in the body of XML documents. For example, if you wrote a word processor in Java, you might choose to save your word processor documents to an XML (actually your ApplicationML) file. If you use a DTD then your word processor would also get input file format validation as a feature for free. There are many other advantages to using XML and a file storage format for your applications which will be illustrated later in the chapter.

Here are some benefits of the structured nature of XML: