CVS version of powersem.cls. Compile the minimal
example below (twice) to get this error:
! Argument of \l@slide has an extra }.
<inserted text>
\par
l.2 \l@slide
{2}{\ignorespaces Two}{3}
The error is not present if you use the seminar class
in stead of powersem class. (It is also not present if
you don't use hyperref.)
---
\documentclass{powersem}
\usepackage{slidesec}
\usepackage{hyperref}
\begin{document}
\begin{slide}
\slideheading{One}
One
\newslide
\Slidecontents
\end{slide}
\begin{slide}
\slideheading{Two}
Two
\end{slide}
\end{document}
---
Regards, Hans