<doc>
<head>
<its:rules xmlns:its="http://www.w3.org/2005/11/its" version="2.0">
<its:param name="withinTextParam">footnote</its:param>
<its:withinTextRule withinText="yes" selector="//b|//u|//i"/>
<its:withinTextRule withinText="nested" selector="//fn[@id=$withinTextParam]"/>
</its:rules>
</head>
<body>
<p>
This is a paragraph with
<b>bold</b>
,
<i>italic</i>
, and
<u>underlined</u>
.
</p>
<p>
This is a paragraph with a footnote
<fn id="footnote">This is the text of the footnote</fn>
at the middle.
</p>
</body>
</doc>