Flummoxed with Filtering

I'm trying to use filtering transformations and put together some code based on
a boilerplate I found in Jeni Tennison's book.

>XSLT error: (StylesheetHandler) xsl:copy-of not allowed inside a stylesheet.
>(../xsl/qhelp.xsl, line 11, column 28)

><?xml version="1.0"?>
><xsl:stylesheet version="1.0"
>	xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
><xsl:strip-space elements="*" />
>
><xsl:template match="@*|node()">
> <xsl:apply-templates />
></xsl:template>
>
><xsl:template match="summ | //Synopsis" />
> <xsl:copy-of select="." />
></xsl:template>

><?xml version="1.0" standalone='yes'?>
><!-- Start of need2mput conversion -->
><Tool name="need2mput"
>      date='"June 20, 2002"'
>      ver='"1.0"'>
> <Name>
>  <summ>Determine which files you have modified </summ>
> </Name>
> <Synopsis>
>  <c> <o>[ -v ] [ <var>file...</var> | <var>dir...</var> ] </o></c>
> </Synopsis>
> <Description>
> <p>The <tt>need2mput</tt> command determines which files you have
>  modified in your sandbox and therefore may want to check in under
>  source control. </p></Description>
> <Options>
>  <Definitions>
>   <dt><tt>-v</tt></dt>
>    <df>verbose mode (for debugging) </df>
>  </Definitions>
> </Options>
> <Examples>
>  <ex>need2mput bat/share/bin/need2mput</ex>
> </Examples>
></Tool>

Greg Kushmerek
Sr. Technical Writer
IA/Tools
The MathWorks
(+1) 508-647-7136