From 15e863ad463d5ef839ac81b1baf5ed8ab1348ded Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Tue, 27 Apr 2010 22:11:11 -0400
Subject: param, for topic_register, an additional check required, bug fix,
 repost

---
 lib/sisu/v2/param.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/sisu/v2/param.rb b/lib/sisu/v2/param.rb
index bf32fc59..a59ac8ff 100644
--- a/lib/sisu/v2/param.rb
+++ b/lib/sisu/v2/param.rb
@@ -1103,6 +1103,7 @@ module SiSU_Param
           end
         end
         if defined? @classify.topic_register \
+        and not @classify.topic_register.nil? \
         and @classify.topic_register.length >3
            topic_register=@classify.topic_register
            u=topic_register.scan(/[^;]+/)
-- 
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