2007-07-21: Bugfix: owncaptions is now working again
            New function: option hideauthorcolumn
            Improvement: usage of markboth or markright, respectively
            Bugfix: usage of \immediate when writing to files
            Improvement: no more unnecessary \tabcolsep
            Special thanks to Christian and Sergio for their bug reports and
            improvements.
2006-01-09: Implementation of \listset changed. It now works within an \edef,
            but the element \empty is no longer allowed in a set.
2005-08-13: Documentation: Reference to LPPL added.