From c42c824f0ad2a15d00a48fc7ef5591b657d3338f Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Thu, 20 Sep 2012 10:10:54 -0700
Subject: [PATCH] Don't adjust match index when no matches exist

---
 src/extensions/autocomplete/autocomplete.coffee | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/extensions/autocomplete/autocomplete.coffee b/src/extensions/autocomplete/autocomplete.coffee
index 5a8ea7845..104d16fc0 100644
--- a/src/extensions/autocomplete/autocomplete.coffee
+++ b/src/extensions/autocomplete/autocomplete.coffee
@@ -135,11 +135,13 @@ class Autocomplete extends View
       @css(left: left, top: potentialTop, bottom: 'inherit')
 
   selectPreviousMatch: ->
+    return if @filteredMatches.length is 0
     previousIndex = @currentMatchIndex - 1
     previousIndex = @filteredMatches.length - 1 if previousIndex < 0
     @selectMatchAtIndex(previousIndex)
 
   selectNextMatch: ->
+    return if @filteredMatches.length is 0
     nextIndex = (@currentMatchIndex + 1) % @filteredMatches.length
     @selectMatchAtIndex(nextIndex)