diff --git a/lib/redmine/i18n.rb b/lib/redmine/i18n.rb
index 29ff3281b..a377d408c 100644
--- a/lib/redmine/i18n.rb
+++ b/lib/redmine/i18n.rb
@@ -3,7 +3,7 @@ module Redmine
     def self.included(base)
       base.extend Redmine::I18n
     end
-      
+
     def l(*args)
       case args.size
       when 1
@@ -25,12 +25,12 @@ module Redmine
       k = "#{options[:prefix]}#{s}".to_sym
       ::I18n.t(k, :default => s.to_s.humanize)
     end
-    
+
     def l_hours(hours)
       hours = hours.to_f
       l((hours < 2.0 ? :label_f_hour : :label_f_hour_plural), :value => ("%.2f" % hours.to_f))
     end
-    
+
     def ll(lang, str, value=nil)
       ::I18n.t(str.to_s, :value => value, :locale => lang.to_s.gsub(%r{(.+)\-(.+)$}) { "#{$1}-#{$2.upcase}" })
     end
@@ -39,7 +39,7 @@ module Redmine
       return nil unless date
       Setting.date_format.blank? ? ::I18n.l(date.to_date) : date.strftime(Setting.date_format)
     end
-    
+
     def format_time(time, include_date = true)
       return nil unless time
       time = time.to_time if time.is_a?(String)
@@ -52,7 +52,7 @@ module Redmine
     def day_name(day)
       ::I18n.t('date.day_names')[day % 7]
     end
-  
+
     def month_name(month)
       ::I18n.t('date.month_names')[month]
     end
@@ -65,13 +65,13 @@ module Redmine
       @@languages_lookup = valid_languages.inject({}) {|k, v| k[v.to_s.downcase] = v; k }
       @@languages_lookup[lang.to_s.downcase]
     end
-    
+
     def set_language_if_valid(lang)
       if l = find_language(lang)
         ::I18n.locale = l
       end
     end
-    
+
     def current_language
       ::I18n.locale
     end