From dfd1450ad5b74e934db2cecde27983113351f3cb Mon Sep 17 00:00:00 2001
From: cjwatson <>
Date: Tue, 15 Jul 2003 08:40:00 -0800
Subject: [PATCH] [project @ 2003-07-15 09:40:00 by cjwatson] Only insert a
 placeholder parent version entry if there isn't a real one there already.

---
 Debbugs/Versions.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Debbugs/Versions.pm b/Debbugs/Versions.pm
index 9471561..3da63ce 100644
--- a/Debbugs/Versions.pm
+++ b/Debbugs/Versions.pm
@@ -115,7 +115,7 @@ sub merge ($@)
     }
     # Insert undef for the last version so that we can tell a known version
     # by seeing if it exists in $self->{parent}.
-    $self->{parent}{$_[$#_]} = undef;
+    $self->{parent}{$_[$#_]} = undef unless exists $self->{parent}{$_[$#_]};
 }
 
 =item load
-- 
2.39.2