# HG changeset patch
# User Chris Cannam
# Date 1395392265 0
# Node ID f86e7009518463b135e0c3b82b8351a61be887aa
# Parent  f67d6e387088160960f7d056cb36f94f0761096a
Avoid 500 if for some reason print_entry fails

diff -r f67d6e387088 -r f86e70095184 plugins/redmine_bibliography/app/helpers/publications_helper.rb
--- a/plugins/redmine_bibliography/app/helpers/publications_helper.rb	Mon Feb 24 11:25:35 2014 +0000
+++ b/plugins/redmine_bibliography/app/helpers/publications_helper.rb	Fri Mar 21 08:57:45 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