diff --git a/app/models/enumeration.rb b/app/models/enumeration.rb
index 71afe8fee..4965c31c6 100644
--- a/app/models/enumeration.rb
+++ b/app/models/enumeration.rb
@@ -1,31 +1,31 @@
-# redMine - project management software
-# Copyright (C) 2006  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2011  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; either version 2
 # of the License, or (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY 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 this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 class Enumeration < ActiveRecord::Base
   default_scope :order => "#{Enumeration.table_name}.position ASC"
-  
+
   belongs_to :project
-  
+
   acts_as_list :scope => 'type = \'#{type}\''
   acts_as_customizable
   acts_as_tree :order => 'position ASC'
 
   before_destroy :check_integrity
-  
+
   validates_presence_of :name
   validates_uniqueness_of :name, :scope => [:type, :project_id]
   validates_length_of :name, :maximum => 30
@@ -45,7 +45,7 @@ class Enumeration < ActiveRecord::Base
       find(:first, :conditions => { :is_default => true })
     end
   end
-  
+
   # Overloaded on concrete classes
   def option_name
     nil
@@ -56,12 +56,12 @@ class Enumeration < ActiveRecord::Base
       Enumeration.update_all("is_default = #{connection.quoted_false}", {:type => type})
     end
   end
-  
+
   # Overloaded on concrete classes
   def objects_count
     0
   end
-  
+
   def in_use?
     self.objects_count != 0
   end
@@ -70,9 +70,9 @@ class Enumeration < ActiveRecord::Base
   def is_override?
     !self.parent.nil?
   end
-  
+
   alias :destroy_without_reassign :destroy
-  
+
   # Destroy the enumeration
   # If a enumeration is specified, objects are reassigned
   def destroy(reassign_to = nil)
@@ -81,11 +81,11 @@ class Enumeration < ActiveRecord::Base
     end
     destroy_without_reassign
   end
-  
+
   def <=>(enumeration)
     position <=> enumeration.position
   end
-  
+
   def to_s; name end
 
   # Returns the Subclasses of Enumeration.  Each Subclass needs to be
@@ -115,13 +115,13 @@ class Enumeration < ActiveRecord::Base
 
     return true
   end
-  
+
   # Are the new and previous fields equal?
   def self.same_active_state?(new, previous)
     new = (new == "1" ? true : false)
     return new == previous
   end
-  
+
 private
   def check_integrity
     raise "Can't delete enumeration" if self.in_use?