From f555e0777bb4408e2e380150f28f3d433cb66d66 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Tue, 16 Sep 2008 00:35:57 -0400
Subject: fixes: alphabet list (concordance, dal_idx), and file types
 (dal_expand_insertions)

---
 lib/sisu/v0/concordance.rb | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'lib/sisu/v0/concordance.rb')

diff --git a/lib/sisu/v0/concordance.rb b/lib/sisu/v0/concordance.rb
index dd4411ac..babc6655 100644
--- a/lib/sisu/v0/concordance.rb
+++ b/lib/sisu/v0/concordance.rb
@@ -326,8 +326,11 @@ WOK
           f=/^(\S)/.match(word)[1]
           if letter < f.upcase
             while letter < f.upcase
-              letter=alph.shift
-              @file_concordance << %{\n<hr />\n<p class="book_index_lev1"><a name="#{letter}">#{letter}</a></p>}
+              if alph.length > 0
+                letter=alph.shift
+                @file_concordance << %{\n<hr />\n<p class="book_index_lev1"><a name="#{letter}">#{letter}</a></p>}
+              else break
+              end
             end
           end
           keyword=SiSU_Concordance::Source::Word.new(word,@freq[word]).html
-- 
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