--- zdiff.orig	2007-03-19 18:34:39.000000000 -0600
+++ zdiff	2007-03-23 17:15:54.000000000 -0600
@@ -40,6 +40,7 @@
   --v*) echo "$version" || exit 2; exit;;
   --) shift; break;;
   -*) OPTIONS="$OPTIONS $ARG"; shift;;
+  *) break;;
   esac
 done
 for file; do