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February 12, 2002 Character Entity References Tips: February 2002
Yehuda Shiran, Ph.D.
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An entity reference is a group of characters used in text as a substitute for another group of characters. There are several types of entity references. The most common is the single character entity reference, where a group of characters is used as a substitute for a single specific character that is also a markup delimiter in XML. For example, if an attribute must contain the ampersand sign (&), you can substitute the entity reference &. Entity references always begin with an ampersand (&) and end with a semicolon (;). The five characters are:
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