The smallest possible presentation looks like this:
<?xml version='1.0'?> <!DOCTYPE slides PUBLIC "-//Norman Walsh//DTD Slides XML V3.0b1//EN" "http://docbook.sourceforge.net/release/slides/3.0b1/slides.dtd"> <slides> <slidesinfo> <title>Presentation Title</title> </slidesinfo> <foil><title>Foil Title</title> <para>Foil content</para> </foil> </slides>
Every presentation must contain at least one slide.