Convert legacy tab indentation to spaces and remove trailing whitespace from all lines

example/server/example_servlet.rb

@@ -2,40 +2,40 @@ module ProductsFilter
   def price(integer)
     sprintf("$%.2d USD", integer / 100.0)
   end
-  
+
   def prettyprint(text)
     text.gsub( /\*(.*)\*/, '<b>\1</b>' )
   end
-  
+
   def count(array)
     array.size
   end
-  
+
   def paragraph(p)
     "<p>#{p}</p>"
   end
 end
 
 class Servlet < LiquidServlet
-  
+
   def index
     { 'date' => Time.now }
   end
-  
-  def products    
-    { 'products' => products_list, 'description' => description, 'section' => 'Snowboards', 'cool_products' => true}    
+
+  def products
+    { 'products' => products_list, 'description' => description, 'section' => 'Snowboards', 'cool_products' => true}
   end
 
   private
-  
+
   def products_list
     [{'name' => 'Arbor Draft', 'price' => 39900, 'description' => 'the *arbor draft* is a excellent product' },
     {'name' => 'Arbor Element', 'price' => 40000, 'description' => 'the *arbor element* rocks for freestyling'},
     {'name' => 'Arbor Diamond', 'price' => 59900, 'description' => 'the *arbor diamond* is a made up product because im obsessed with arbor and have no creativity'}]
   end
-  
+
   def description
     "List of Products ~ This is a list of products with price and description."
   end
-  
+
 end