DocBook XSL V1.62.0 breaks docbook-slides

xsltproc produces the following error:

ERROR: Document root element for FO output 
must be one of the following elements:
   appendix article bibliography book chapter colophon dedication glossary index part preface refentry reference sect1 section set setindex 

Of course, a slides document has "slides" as its root element...

Justus

-- 
Justus H. Piater, Ph.D.         http://www.montefiore.ulg.ac.be/~piater
Institut Montefiore, B28        Phone: +32-4-366-2279
Université de Liège, Belgium    Fax:   +32-4-366-2620