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February 18, 2002 Reading DTDs with the Browser  Tips: February 2002
Yehuda Shiran, Ph.D.
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Let's see the entity reference substitution in action. There are three types of documents involved in our demo: XML, DTD, and XSL. The XML file includes the data itself. The DTD defines the data file structure and reference substitution. The XSL file converts the data to HTML. We discussed how to write the XSL file in Column 100. Try it now. You should get the following window:
mydvd7.xml file includes two entity references:
&month; was substituted by April, and &preparedby; was substituted by John Smith. Also notice that the single-character entity references < and > around April got substituted by < and >, respectively.
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