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      <a href="d_start2.html">Chapter 1: Getting Started with Stylus Studio®</a>
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      <a href="d_edit.html">Chapter 2: Editing and Querying XML</a>
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      <a href="d_webservices.html">Chapter 11: Composing Web Service Calls</a>
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      <a href="d_rdb.html">Chapter 12: Accessing Relational Data as XML</a>
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Using Variables

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In a query that you specify in a stylesheet, you can refer to variables that you defined elsewhere in the stylesheet. Use the following format to refer to a variable:
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$variable_name
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In a stylesheet, you can define variables with either of the following instructions:

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