From b981f07445d12360b71536f32d6925a0f2b10597 Mon Sep 17 00:00:00 2001
From: Joey Schulze <joey@infodrom.org>
Date: Wed, 27 Feb 2008 19:01:58 +0000
Subject: [PATCH] Don't try to modify something that doesn't exist

---
 src/InfoCon/buch/infocon | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/InfoCon/buch/infocon b/src/InfoCon/buch/infocon
index 35b9d8e..9aa76c6 100755
--- a/src/InfoCon/buch/infocon
+++ b/src/InfoCon/buch/infocon
@@ -237,7 +237,7 @@ sub read_input
     } elsif ($ans eq ".") {
 	$ans = '';
     }
-    $ans =~ s/ *$//;
+    $ans =~ s/ *$// if $ans;
     return $ans;
 }
 
-- 
2.20.1