From d803f2708fc809fb8be7547727e6ab62c0451989 Mon Sep 17 00:00:00 2001
From: jprocter <Jim Procter>
Date: Fri, 12 Nov 2010 14:58:46 +0000
Subject: [PATCH] patch for JAL-700

---
 src/jalview/datamodel/Alignment.java |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index 1a0d82c..42559c6 100755
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -143,7 +143,7 @@ public class Alignment implements AlignmentI
    */
   public SequenceI getSequenceAt(int i)
   {
-    if (i < sequences.size())
+    if (i>-1 && i < sequences.size())
     {
       return (SequenceI) sequences.elementAt(i);
     }
-- 
1.7.10.2