# HG changeset patch
# User Chris Cannam
# Date 1395392381 0
# Node ID abde837f1224f91b6932af17b75506a22ff9d294
# Parent  f86e7009518463b135e0c3b82b8351a61be887aa# Parent  54f320b40728bbc9a75ff24a8e40347d836144c7
Merge

diff -r 54f320b40728 -r abde837f1224 plugins/redmine_bibliography/app/helpers/publications_helper.rb
--- a/plugins/redmine_bibliography/app/helpers/publications_helper.rb	Mon Mar 17 08:56:45 2014 +0000
+++ b/plugins/redmine_bibliography/app/helpers/publications_helper.rb	Fri Mar 21 08:59:41 2014 +0000
@@ -96,7 +96,10 @@
 
   def print_ieee_format(publication)
     Rails.cache.fetch("publication-#{publication.id}-ieee") do
-      publication.print_entry(:ieee).html_safe
+      entry = publication.print_entry(:ieee)
+      if entry
+        entry.html_safe
+      end
     end
   end