XML Source Document (Sales.xml)
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="transform.xsl"?>
<sales>
<summary>
<heading>Scootney Publishing</heading>
<subhead>Regional Sales Report</subhead>
<description>Sales report for the West Coast, Central and East Coast regions.</description>
</summary>
<data>
<region>
<name>West Coast</name>
<quarter number="1" books_sold="24000" />
<quarter number="2" books_sold="38600" />
<quarter number="3" books_sold="44030" />
<quarter number="4" books_sold="21000" />
</region>
<region>
<name>Central</name>
<quarter number="1" books_sold="11000" />
<quarter number="2" books_sold="16080" />
<quarter number="3" books_sold="25000" />
<quarter number="4" books_sold="29000" />
</region>
<region>
<name>East Coast</name>
<quarter number="1" books_sold="27000" />
<quarter number="2" books_sold="31400" />
<quarter number="3" books_sold="40100" />
<quarter number="4" books_sold="30000" />
</region>
</data>
</sales>