A class that produces overhead slides (transparencies), with many facilities. The class requires availability of the fancybox package. Seminar is also the basis of other classes, such as prosper. In fact, seminar is not nowadays reckoned a good basis for a presentation — users are advised to use more recent classes such as powerdot or beamer, both of which are tuned to 21st-century presentation styles. Note that the seminar distribution relies on the xcomment package, which was once part of the bundle, but now has a separate existence.