no image on title page...

I try to put a message on the title page of a book I am writing, and I
follow the prescriptions from the XSL FAQ's:

	http://www.dpawson.co.uk/docbook/styling/titlepage.html#d2424e176
and
	http://nwalsh.com/docs/articles/dbdesign/

So I have a "mytitlepage.xml" slightly modified from the
/etc/sgml/docbook-xsl/template/testtemplate.xml, and it starts with:


<t:templates xmlns:t="http://nwalsh.com/docbook/xsl/template/1.0"

base-stylesheet="/usr/share/sgml/docbook/stylesheet/xsl/nwalsh/fo/docbook.xsl">

<t:titlepage element="book" wrapper="fo:block">
  <t:titlepage-content side='recto'>
...

I try to process it with:

xsltproc -o mytitlepage.xsl /etc/sgml/docbook-xsl/template/titlepage.xsl
mytitlepage.xml

But that produces a "mytitlepage.xsl" with only some header comments, and
the command exits with an error message:

The @t:side attribute is required on t:titlepage-content.

(the quotation of 'recto' differers between the FAQ examples: but "recto"
does not work either).

What is wrong???

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	Tom "thriving on chaos" Peters