install in rvm-1.0.21 vs install in rvm-1.0.22

@@ -40,11 +40,11 @@
 
     --help    : Display help/usage (this) message
 
     --version : display rvm package version
 
-  "
+  \n"
 }
 
 check_rubyopt_conditions()
 {
   if [[ -n "${RUBYOPT:-""}" ]]; then
@@ -190,10 +190,18 @@
     --trace)
       echo "$*"
       env | grep '^rvm_'
       set -o xtrace
       ;;
-    --help|*)  usage ;;
+    --help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "Unrecognized option: $token"
+      usage
+      exit 1
+      ;;
   esac
 done
 
 if [[ -z "${rvm_prefix:-""}" ]] ; then
   __rvm_load_rvmrc