mass changes; fix titles; add examples; correct typos; clarifications;
unified style; etc.
diff --git a/Doc/lib/libgetopt.tex b/Doc/lib/libgetopt.tex
index 250d31f..3f9592a 100644
--- a/Doc/lib/libgetopt.tex
+++ b/Doc/lib/libgetopt.tex
@@ -5,7 +5,8 @@
\code{sys.argv}.
It uses the same conventions as the \UNIX{}
\code{getopt()}
-function.
+function (including the special meanings of arguments of the form
+\samp{-} and \samp{--}).
It defines the function
\code{getopt.getopt(args, options)}
and the exception