From 235c8986e2221196b9dc660401b836da6f392dd2 Mon Sep 17 00:00:00 2001
From: rkiel <cygnus@pobox.com>
Date: Sat, 6 Jun 2015 11:11:16 -0400
Subject: [PATCH] tab-completion: minor change to validation

---
 lib/feature/tab.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/feature/tab.rb b/lib/feature/tab.rb
index 30d0a96..de123ee 100644
--- a/lib/feature/tab.rb
+++ b/lib/feature/tab.rb
@@ -4,7 +4,7 @@ module Feature
 
   class Tab < Feature::Base
     def valid?
-      argv.size > 0
+      [1,2].include? argv.size
     end
 
     def help
@@ -17,7 +17,7 @@ module Feature
     def execute
       if argv.size == 1
         pattern = '.+'
-      else
+      elsif argv.size == 2
         pattern = "^#{argv[1]}"
       end