The ubiquitous "Hello World".
<?xml version="1.0"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master master-name="content"
page-width="210mm" page-height="297mm">
<fo:region-body/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="content">
<fo:flow flow-name="xsl-region-body">
<fo:block>Hello World!</fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>