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/dal_idx.rb | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

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

diff --git a/lib/sisu/v0/dal_idx.rb b/lib/sisu/v0/dal_idx.rb
index c2bba846..d7d5223e 100644
--- a/lib/sisu/v0/dal_idx.rb
+++ b/lib/sisu/v0/dal_idx.rb
@@ -181,8 +181,11 @@ module SiSU_book_index
             f=/^(\S)/.match(x)[1]
             if letter < f
               while letter < f
-                letter=alph.shift
-                @idx[:html] << %{\n<hr />\n<p class="book_index_lev1"><a name="#{letter}">#{letter}</a></p>}
+                if alph.length > 0
+                  letter=alph.shift
+                  @idx[:html] << %{\n<hr />\n<p class="book_index_lev1"><a name="#{letter}">#{letter}</a></p>}
+                else break
+                end
               end
             end
             @idx[:sst] << %{\n\n#{Mx[:fa_bold_o]}#{x},#{Mx[:fa_bold_c]} }
-- 
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