XML Tutorials - MarkupTutorials.com
The real power of XML comes from the fact that with XML, not only can you define your own set of tags, but the rules specified by those tags need not be limited to formatting rules.
January 31,
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The benefits of using external DTDs is that they can more easily and efficiently be shared by more than one XML document, or in fact, many organizations with the need to standardize communications and data.
January 20,
2006
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In certain, probably rare circumstances, you will wish to include parsed character data as a valid element. Mixing content works as expected. Thus, the following XML document would be valid.
January 20,
2006
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Finally, we must mention the syntax for defining an empty tag.
January 20,
2006
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Well, as you might expect, just as you use the DTD to define valid elements, you also use the DTD to define valid element attributes.
January 20,
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A list of acceptable pipe delimited values from which the document author must choose.
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2006
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ID represents a unique ID name for the attribute that identifies the element within the context of the document.
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This type allows an attribute to have a value specified by a notation declared in the DTD in cases in which you want certain consequences to follow from the attribute.
January 20,
2006
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Essentially, an entity allows you to create an alias to some large bit of text.
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2006
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CDATA refers to plain old character data
January 20,
2006
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