This patch, put together by Manuel Novoa III, is a merge of work
done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.
diff --git a/getopt.c b/getopt.c
index 6252631..eb28d5d 100644
--- a/getopt.c
+++ b/getopt.c
@@ -372,7 +372,7 @@
                         quote=0;
                         break;
                 default:
-                        usage(getopt_usage);
+                        show_usage();
                 }
 
         if (!optstr) {