Kill trailing whitespace in ruby files

app/helpers/application_helper.rb

@@ -8,27 +8,27 @@ module ApplicationHelper
 
     content_tag("li", link_to(text, url, options), :class => klass)
   end
-  
+
   def fast_link_to(text, link_params, options = {})
     if options
-      attributes = options.map do |k, v| 
+      attributes = options.map do |k, v|
         %{#{k}="#{h(v)}"}
       end.join(" ")
     else
       attributes = ""
     end
-    
+
     if link_params.is_a?(Hash)
       action = link_params.delete(:action)
       controller = link_params.delete(:controller) || controller_name
       id = link_params.delete(:id)
-      
+
       link_params = link_params.map {|k, v| "#{k}=#{u(v)}"}.join("&")
-      
+
       if link_params.present?
         link_params = "?#{link_params}"
       end
-      
+
       if id
         url = "/#{controller}/#{action}/#{id}#{link_params}"
       else
@@ -37,43 +37,43 @@ module ApplicationHelper
     else
       url = link_params
     end
-    
+
     raw %{<a href="#{h(url)}" #{attributes}>#{text}</a>}
   end
-  
+
   def format_text(text, options = {})
     DText.parse(text)
   end
 
   def error_messages_for(instance_name)
     instance = instance_variable_get("@#{instance_name}")
-    
+
     if instance && instance.errors.any?
       %{<div class="error-messages ui-state-error ui-corner-all"><strong>Error</strong>: #{instance.__send__(:errors).full_messages.join(", ")}</div>}.html_safe
     else
       ""
     end
   end
-  
+
   def time_tag(content, time)
     zone = time.strftime("%z")
     datetime = time.strftime("%Y-%m-%dT%H:%M" + zone[0, 3] + ":" + zone[3, 2])
-    
+
     content_tag(:time, content || datetime, :datetime => datetime, :title => time.to_formatted_s)
   end
-  
+
   def time_ago_in_words_tagged(time)
     raw time_tag(time_ago_in_words(time) + " ago", time)
   end
-  
+
   def compact_time(time)
     time_tag(time.strftime("%Y-%m-%d %H:%M"), time)
   end
-  
+
   def mod_link_to_user(user, positive_or_negative)
     html = ""
     html << link_to(user.name, user_path(user))
-    
+
     if positive_or_negative == :positive
       html << " [" + link_to("+", new_user_feedback_path(:user_feedback => {:category => "positive", :user_id => user.id})) + "]"
 
@@ -83,26 +83,26 @@ module ApplicationHelper
     else
       html << " [" + link_to("&ndash;".html_safe, new_user_feedback_path(:user_feedback => {:category => "negative", :user_id => user.id})) + "]"
     end
-    
+
     html.html_safe
   end
-  
+
   def dtext_field(object, name, options = {})
     options[:name] ||= "Body"
     options[:input_id] ||= "#{object}_#{name}"
     options[:input_name] ||= "#{object}[#{name}]"
     options[:value] ||= instance_variable_get("@#{object}").try(name)
     options[:preview_id] ||= "dtext-preview"
-    
+
     render "dtext/form", options
   end
-  
+
   def dtext_preview_button(object, name, options = {})
     options[:input_id] ||= "#{object}_#{name}"
     options[:preview_id] ||= "dtext-preview"
     submit_tag("Preview", "data-input-id" => options[:input_id], "data-preview-id" => options[:preview_id])
   end
-  
+
   def search_field(method, options = {})
     name = options[:label] || method.titleize
     string = '<div class="input"><label for="search_' + method + '">' + name + '</label><input type="text" name="search[' + method + ']" id="search_'  + method + '">'
@@ -112,49 +112,49 @@ module ApplicationHelper
     string += '</div>'
     string.html_safe
   end
-  
+
 protected
   def nav_link_match(controller, url)
     url =~ case controller
     when "sessions", "users", "maintenance/user/login_reminders", "maintenance/user/password_resets", "admin/users", "tag_subscriptions"
       /^\/(session|users)/
-      
+
     when "forum_posts"
       /^\/forum_topics/
-      
+
     when "comments"
       /^\/comments/
-      
+
     when "notes", "note_versions"
       /^\/notes/
-      
+
     when "posts", "uploads", "post_versions", "explore/posts", "moderator/post/dashboards", "favorites"
       /^\/post/
-      
+
     when "artists", "artist_versions"
       /^\/artist/
-      
+
     when "tags"
       /^\/tags/
-      
+
     when "pools"
       /^\/pools/
-      
+
     when "moderator/dashboards"
       /^\/moderator/
-      
+
     when "tag_aliases", "tag_alias_corrections", "tag_alias_requests"
       /^\/tag_aliases/
-      
+
     when "tag_implications", "tag_implication_requests"
       /^\/tag_implications/
-      
+
     when "wiki_pages", "wiki_page_versions"
       /^\/wiki_pages/
-      
+
     when "forum_topics", "forum_posts"
       /^\/forum_topics/
-      
+
     else
       /^\/static/
     end