SF #642236, optparse LaTeX docs by Johannes Gijsbers

Doc/lib/lib.tex

@@ -151,6 +151,7 @@ and how to embed it in other applications.
 \input{libascii}                % curses.ascii
 \input{libcursespanel}
 \input{libgetopt}
+\input{liboptparse}
 \input{libtempfile}
 \input{liberrno}
 \input{libglob}