Added \modulesynopsis.

Doc/lib/librepr.tex

 \section{\module{repr} ---
          Alternate \function{repr()} implementation.}
 
+\sectionauthor{Fred L. Drake, Jr.}{fdrake@acm.org}
 \declaremodule{standard}{repr}
+\modulesynopsis{Alternate \function{repr()} implementation with size limits.}
 
 
 The \module{repr} module provides a means for producing object