Fix for Bug 4290 - search for author in repository

[koha.git] / C4 / ClassSortRoutine / Generic.pm

diff --git a/C4/ClassSortRoutine/Generic.pm b/C4/ClassSortRoutine/Generic.pm
index ded0239..924e6a8 100644 (file)
--- a/C4/ClassSortRoutine/Generic.pm
+++ b/C4/ClassSortRoutine/Generic.pm
@@ -13,12 +13,12 @@ package C4::ClassSortRoutine::Generic;
 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 #
-# You should have received a copy of the GNU General Public License along with
-# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA  02111-1307 USA
+# You should have received a copy of the GNU General Public License along
+# with Koha; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 use strict;
-require Exporter;
+use warnings;
 
 use vars qw($VERSION);
 
@@ -53,6 +53,8 @@ Generates sorting key using the following rules:
 sub get_class_sort_key {
     my ($cn_class, $cn_item) = @_;
 
+    $cn_class = '' unless defined $cn_class;
+    $cn_item  = '' unless defined $cn_item;
     my $key = uc "$cn_class $cn_item";
     $key =~ s/^\s+//;
     $key =~ s/\s+$//;
@@ -66,7 +68,7 @@ sub get_class_sort_key {
 
 =head1 AUTHOR
 
-Koha Developement team <info@koha.org>
+Koha Development Team <http://koha-community.org/>
 
 =cut