Deletes trailing whitespaces (over text files only find * -type f -exec sed 's/[ \t]*$//' -i {} \;)

25 files changed, 122 insertions, 122 deletions

diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb
index db0a6736e0..79ebf29c7f 100644
--- a/actionpack/lib/abstract_controller/base.rb
+++ b/actionpack/lib/abstract_controller/base.rb
@@ -109,7 +109,7 @@ module AbstractController
       @_action_name = action_name = action.to_s
 
       unless action_name = method_for_action(action_name)
-        raise ActionNotFound, "The action '#{action}' could not be found for #{self.class.name}" 
+        raise ActionNotFound, "The action '#{action}' could not be found for #{self.class.name}"
       end
 
       @_response_body = nil
diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index b0eb24a4a8..acd313b039 100644
--- a/actionpack/lib/action_controller/metal/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
@@ -392,11 +392,11 @@ module ActionController
         end
       end
 
-      # If token Authorization header is present, call the login procedure with 
+      # If token Authorization header is present, call the login procedure with
       # the present token and options.
       #
       # controller      - ActionController::Base instance for the current request.
-      # login_procedure - Proc to call if a token is present.  The Proc should 
+      # login_procedure - Proc to call if a token is present.  The Proc should
       #                   take 2 arguments:
       #                     authenticate(controller) { |token, options| ... }
       #
diff --git a/actionpack/lib/action_controller/middleware.rb b/actionpack/lib/action_controller/middleware.rb
index 2115b07b3e..437fec3dc6 100644
--- a/actionpack/lib/action_controller/middleware.rb
+++ b/actionpack/lib/action_controller/middleware.rb
@@ -31,7 +31,7 @@ module ActionController
       super()
       @_app = app
     end
-    
+
     def index
       call(env)
     end
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index e306697f4b..e02fe202e1 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -311,7 +311,7 @@ module ActionController
         def tests(controller_class)
           self.controller_class = controller_class
         end
-        
+
         def controller_class=(new_class)
           prepare_controller_class(new_class) if new_class
           write_inheritable_attribute(:controller_class, new_class)
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/document.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/document.rb
index b8d73c350d..7fa3aead82 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/document.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/document.rb
@@ -48,7 +48,7 @@ EOF
         end
       end
     end
-  
+
     # Search the tree for (and return) the first node that matches the given
     # conditions. The conditions are interpreted differently for different node
     # types, see HTML::Text#find and HTML::Tag#find.
@@ -62,7 +62,7 @@ EOF
     def find_all(conditions)
       @root.find_all(conditions)
     end
-    
+
   end
 
 end
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb
index a874519978..d581399514 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb
@@ -1,7 +1,7 @@
 require 'strscan'
 
 module HTML #:nodoc:
-  
+
   class Conditions < Hash #:nodoc:
     def initialize(hash)
       super()
@@ -57,17 +57,17 @@ module HTML #:nodoc:
   class Node #:nodoc:
     # The array of children of this node. Not all nodes have children.
     attr_reader :children
-    
+
     # The parent node of this node. All nodes have a parent, except for the
     # root node.
     attr_reader :parent
-    
+
     # The line number of the input where this node was begun
     attr_reader :line
-    
+
     # The byte position in the input where this node was begun
     attr_reader :position
-    
+
     # Create a new node as a child of the given parent.
     def initialize(parent, line=0, pos=0)
       @parent = parent
@@ -92,7 +92,7 @@ module HTML #:nodoc:
     # returns non +nil+. Returns the result of the #find call that succeeded.
     def find(conditions)
       conditions = validate_conditions(conditions)
-      @children.each do |child|        
+      @children.each do |child|
         node = child.find(conditions)
         return node if node
       end
@@ -133,7 +133,7 @@ module HTML #:nodoc:
 
       equivalent
     end
-    
+
     class <<self
       def parse(parent, line, pos, content, strict=true)
         if content !~ /^<\S/
@@ -160,11 +160,11 @@ module HTML #:nodoc:
 
             return CDATA.new(parent, line, pos, scanner.pre_match.gsub(/<!\[CDATA\[/, ''))
           end
-          
+
           closing = ( scanner.scan(/\//) ? :close : nil )
           return Text.new(parent, line, pos, content) unless name = scanner.scan(/[\w:-]+/)
           name.downcase!
-  
+
           unless closing
             scanner.skip(/\s*/)
             attributes = {}
@@ -191,13 +191,13 @@ module HTML #:nodoc:
               attributes[attr.downcase] = value
               scanner.skip(/\s*/)
             end
-    
+
             closing = ( scanner.scan(/\//) ? :self : nil )
           end
-          
+
           unless scanner.scan(/\s*>/)
             if strict
-              raise "expected > (got #{scanner.rest.inspect} for #{content}, #{attributes.inspect})" 
+              raise "expected > (got #{scanner.rest.inspect} for #{content}, #{attributes.inspect})"
             else
               # throw away all text until we find what we're looking for
               scanner.skip_until(/>/) or scanner.terminate
@@ -212,9 +212,9 @@ module HTML #:nodoc:
 
   # A node that represents text, rather than markup.
   class Text < Node #:nodoc:
-    
+
     attr_reader :content
-    
+
     # Creates a new text node as a child of the given parent, with the given
     # content.
     def initialize(parent, line, pos, content)
@@ -240,7 +240,7 @@ module HTML #:nodoc:
     def find(conditions)
       match(conditions) && self
     end
-    
+
     # Returns non-+nil+ if this node meets the given conditions, or +nil+
     # otherwise. See the discussion of #find for the valid conditions.
     def match(conditions)
@@ -268,7 +268,7 @@ module HTML #:nodoc:
       content == node.content
     end
   end
-  
+
   # A CDATA node is simply a text node with a specialized way of displaying
   # itself.
   class CDATA < Text #:nodoc:
@@ -281,16 +281,16 @@ module HTML #:nodoc:
   # closing tag, or a self-closing tag. It has a name, and may have a hash of
   # attributes.
   class Tag < Node #:nodoc:
-    
+
     # Either +nil+, <tt>:close</tt>, or <tt>:self</tt>
     attr_reader :closing
-    
+
     # Either +nil+, or a hash of attributes for this node.
     attr_reader :attributes
 
     # The name of this tag.
     attr_reader :name
-        
+
     # Create a new node as a child of the given parent, using the given content
     # to describe the node. It will be parsed and the node name, attributes and
     # closing status extracted.
@@ -344,7 +344,7 @@ module HTML #:nodoc:
     def tag?
       true
     end
-    
+
     # Returns +true+ if the node meets any of the given conditions. The
     # +conditions+ parameter must be a hash of any of the following keys
     # (all are optional):
@@ -404,7 +404,7 @@ module HTML #:nodoc:
     #   node.match :descendant => { :tag => "strong" }
     #
     #   # test if the node has between 2 and 4 span tags as immediate children
-    #   node.match :children => { :count => 2..4, :only => { :tag => "span" } } 
+    #   node.match :children => { :count => 2..4, :only => { :tag => "span" } }
     #
     #   # get funky: test to see if the node is a "div", has a "ul" ancestor
     #   # and an "li" parent (with "class" = "enum"), and whether or not it has
@@ -439,7 +439,7 @@ module HTML #:nodoc:
 
       # test children
       return false unless children.find { |child| child.match(conditions[:child]) } if conditions[:child]
-   
+
       # test ancestors
       if conditions[:ancestor]
         return false unless catch :found do
@@ -457,13 +457,13 @@ module HTML #:nodoc:
           child.match(:descendant => conditions[:descendant])
         end
       end
-      
+
       # count children
       if opts = conditions[:children]
         matches = children.select do |c|
           (c.kind_of?(HTML::Tag) and (c.closing == :self or ! c.childless?))
         end
-        
+
         matches = matches.select { |c| c.match(opts[:only]) } if opts[:only]
         opts.each do |key, value|
           next if key == :only
@@ -489,24 +489,24 @@ module HTML #:nodoc:
         self_index = siblings.index(self)
 
         if conditions[:sibling]
-          return false unless siblings.detect do |s| 
+          return false unless siblings.detect do |s|
             s != self && s.match(conditions[:sibling])
           end
         end
 
         if conditions[:before]
-          return false unless siblings[self_index+1..-1].detect do |s| 
+          return false unless siblings[self_index+1..-1].detect do |s|
             s != self && s.match(conditions[:before])
           end
         end
 
         if conditions[:after]
-          return false unless siblings[0,self_index].detect do |s| 
+          return false unless siblings[0,self_index].detect do |s|
             s != self && s.match(conditions[:after])
           end
         end
       end
-  
+
       true
     end
 
@@ -515,7 +515,7 @@ module HTML #:nodoc:
       return false unless closing == node.closing && self.name == node.name
       attributes == node.attributes
     end
-    
+
     private
       # Match the given value to the given condition.
       def match_condition(value, condition)
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
index 51e0868995..dceddb9b80 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
@@ -7,11 +7,11 @@ module HTML
       return text unless sanitizeable?(text)
       tokenize(text, options).join
     end
-    
+
     def sanitizeable?(text)
       !(text.nil? || text.empty? || !text.index("<"))
     end
-    
+
   protected
     def tokenize(text, options)
       tokenizer = HTML::Tokenizer.new(text)
@@ -22,12 +22,12 @@ module HTML
       end
       result
     end
-    
+
     def process_node(node, result, options)
       result << node.to_s
     end
   end
-  
+
   class FullSanitizer < Sanitizer
     def sanitize(text, options = {})
       result = super
@@ -37,12 +37,12 @@ module HTML
       # Recurse - handle all dirty nested tags
       result == text ? result : sanitize(result, options)
     end
-    
+
     def process_node(node, result, options)
       result << node.to_s if node.class == HTML::Text
     end
   end
-  
+
   class LinkSanitizer < FullSanitizer
     cattr_accessor :included_tags, :instance_writer => false
     self.included_tags = Set.new(%w(a href))
@@ -50,13 +50,13 @@ module HTML
     def sanitizeable?(text)
       !(text.nil? || text.empty? || !((text.index("<a") || text.index("<href")) && text.index(">")))
     end
-    
+
   protected
     def process_node(node, result, options)
-      result << node.to_s unless node.is_a?(HTML::Tag) && included_tags.include?(node.name) 
+      result << node.to_s unless node.is_a?(HTML::Tag) && included_tags.include?(node.name)
     end
   end
-  
+
   class WhiteListSanitizer < Sanitizer
     [:protocol_separator, :uri_attributes, :allowed_attributes, :allowed_tags, :allowed_protocols, :bad_tags,
      :allowed_css_properties, :allowed_css_keywords, :shorthand_css_properties].each do |attr|
@@ -66,35 +66,35 @@ module HTML
     # A regular expression of the valid characters used to separate protocols like
     # the ':' in 'http://foo.com'
     self.protocol_separator     = /:|(&#0*58)|(&#x70)|(%|&#37;)3A/
-    
+
     # Specifies a Set of HTML attributes that can have URIs.
     self.uri_attributes         = Set.new(%w(href src cite action longdesc xlink:href lowsrc))
 
     # Specifies a Set of 'bad' tags that the #sanitize helper will remove completely, as opposed
     # to just escaping harmless tags like &lt;font&gt;
     self.bad_tags               = Set.new(%w(script))
-    
+
     # Specifies the default Set of tags that the #sanitize helper will allow unscathed.
-    self.allowed_tags           = Set.new(%w(strong em b i p code pre tt samp kbd var sub 
-      sup dfn cite big small address hr br div span h1 h2 h3 h4 h5 h6 ul ol li dl dt dd abbr 
+    self.allowed_tags           = Set.new(%w(strong em b i p code pre tt samp kbd var sub
+      sup dfn cite big small address hr br div span h1 h2 h3 h4 h5 h6 ul ol li dl dt dd abbr
       acronym a img blockquote del ins))
 
-    # Specifies the default Set of html attributes that the #sanitize helper will leave 
+    # Specifies the default Set of html attributes that the #sanitize helper will leave
     # in the allowed tag.
     self.allowed_attributes     = Set.new(%w(href src width height alt cite datetime title class name xml:lang abbr))
-    
+
     # Specifies the default Set of acceptable css properties that #sanitize and #sanitize_css will accept.
-    self.allowed_protocols      = Set.new(%w(ed2k ftp http https irc mailto news gopher nntp telnet webcal xmpp callto 
+    self.allowed_protocols      = Set.new(%w(ed2k ftp http https irc mailto news gopher nntp telnet webcal xmpp callto
       feed svn urn aim rsync tag ssh sftp rtsp afs))
-    
+
     # Specifies the default Set of acceptable css keywords that #sanitize and #sanitize_css will accept.
-    self.allowed_css_properties = Set.new(%w(azimuth background-color border-bottom-color border-collapse 
-      border-color border-left-color border-right-color border-top-color clear color cursor direction display 
+    self.allowed_css_properties = Set.new(%w(azimuth background-color border-bottom-color border-collapse
+      border-color border-left-color border-right-color border-top-color clear color cursor direction display
       elevation float font font-family font-size font-style font-variant font-weight height letter-spacing line-height
       overflow pause pause-after pause-before pitch pitch-range richness speak speak-header speak-numeral speak-punctuation
       speech-rate stress text-align text-decoration text-indent unicode-bidi vertical-align voice-family volume white-space
       width))
-  
+
     # Specifies the default Set of acceptable css keywords that #sanitize and #sanitize_css will accept.
     self.allowed_css_keywords   = Set.new(%w(auto aqua black block blue bold both bottom brown center
       collapse dashed dotted fuchsia gray green !important italic left lime maroon medium none navy normal
@@ -118,9 +118,9 @@ module HTML
       style.scan(/([-\w]+)\s*:\s*([^:;]*)/) do |prop,val|
         if allowed_css_properties.include?(prop.downcase)
           clean <<  prop + ': ' + val + ';'
-        elsif shorthand_css_properties.include?(prop.split('-')[0].downcase) 
+        elsif shorthand_css_properties.include?(prop.split('-')[0].downcase)
           unless val.split().any? do |keyword|
-            !allowed_css_keywords.include?(keyword) && 
+            !allowed_css_keywords.include?(keyword) &&
               keyword !~ /^(#[0-9a-f]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$/
           end
             clean << prop + ': ' + val + ';'
@@ -146,7 +146,7 @@ module HTML
           else
             options[:parent].unshift node.name
           end
-          
+
           process_attributes_for node, options
 
           options[:tags].include?(node.name) ? node : nil
@@ -154,7 +154,7 @@ module HTML
           bad_tags.include?(options[:parent].first) ? nil : node.to_s.gsub(/</, "&lt;")
       end
     end
-    
+
     def process_attributes_for(node, options)
       return unless node.attributes
       node.attributes.keys.each do |attr_name|
@@ -169,7 +169,7 @@ module HTML
     end
 
     def contains_bad_protocols?(attr_name, value)
-      uri_attributes.include?(attr_name) && 
+      uri_attributes.include?(attr_name) &&
       (value =~ /(^[^\/:]*):|(&#0*58)|(&#x70)|(%|&#37;)3A/ && !allowed_protocols.include?(value.split(protocol_separator).first))
     end
   end
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/selector.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/selector.rb
index e2c49c284f..0fe2e6d1a6 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/selector.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/selector.rb
@@ -182,7 +182,7 @@ module HTML
   # not another using <tt>:not</tt>. For example:
   #   p:not(.post)
   # Matches all paragraphs that do not have the class <tt>.post</tt>.
-  #   
+  #
   # === Substitution Values
   #
   # You can use substitution with identifiers, class names and element values.
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/tokenizer.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/tokenizer.rb
index 240dc1890f..c252e01cf5 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/tokenizer.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/tokenizer.rb
@@ -1,7 +1,7 @@
 require 'strscan'
 
 module HTML #:nodoc:
-  
+
   # A simple HTML tokenizer. It simply breaks a stream of text into tokens, where each
   # token is a string. Each string represents either "text", or an HTML element.
   #
@@ -14,13 +14,13 @@ module HTML #:nodoc:
   #     p token
   #   end
   class Tokenizer #:nodoc:
-    
+
     # The current (byte) position in the text
     attr_reader :position
-    
+
     # The current line number
     attr_reader :line
-    
+
     # Create a new Tokenizer for the given text.
     def initialize(text)
       text.encode! if text.encoding_aware?
@@ -42,7 +42,7 @@ module HTML #:nodoc:
         update_current_line(scan_text)
       end
     end
-  
+
     private
 
       # Treat the text at the current position as a tag, and scan it. Supports
@@ -69,13 +69,13 @@ module HTML #:nodoc:
       def scan_text
         "#{@scanner.getch}#{@scanner.scan(/[^<]*/)}"
       end
-      
+
       # Counts the number of newlines in the text and updates the current line
       # accordingly.
       def update_current_line(text)
         text.scan(/\r?\n/) { @current_line += 1 }
       end
-      
+
       # Skips over quoted strings, so that less-than and greater-than characters
       # within the strings are ignored.
       def consume_quoted_regions
@@ -103,5 +103,5 @@ module HTML #:nodoc:
         text
       end
   end
-  
+
 end
diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb
index c6fc582851..8f1c9b6691 100644
--- a/actionpack/lib/action_dispatch/http/mime_type.rb
+++ b/actionpack/lib/action_dispatch/http/mime_type.rb
@@ -109,10 +109,10 @@ module Mime
         else
           # keep track of creation order to keep the subsequent sort stable
           list = []
-          accept_header.split(/,/).each_with_index do |header, index| 
-            params, q = header.split(/;\s*q=/)       
+          accept_header.split(/,/).each_with_index do |header, index|
+            params, q = header.split(/;\s*q=/)
             if params
-              params.strip!          
+              params.strip!
               list << AcceptItem.new(index, params, q) unless params.empty?
             end
           end
@@ -161,20 +161,20 @@ module Mime
         end
       end
     end
-    
+
     def initialize(string, symbol = nil, synonyms = [])
       @symbol, @synonyms = symbol, synonyms
       @string = string
     end
-    
+
     def to_s
       @string
     end
-    
+
     def to_str
       to_s
     end
-    
+
     def to_sym
       @symbol || @string.to_sym
     end
@@ -186,11 +186,11 @@ module Mime
         super
       end
     end
-    
+
     def ==(mime_type)
       return false if mime_type.blank?
-      (@synonyms + [ self ]).any? do |synonym| 
-        synonym.to_s == mime_type.to_s || synonym.to_sym == mime_type.to_sym 
+      (@synonyms + [ self ]).any? do |synonym|
+        synonym.to_s == mime_type.to_s || synonym.to_sym == mime_type.to_sym
       end
     end
 
diff --git a/actionpack/lib/action_dispatch/middleware/stack.rb b/actionpack/lib/action_dispatch/middleware/stack.rb
index 41078eced7..5a029a60d1 100644
--- a/actionpack/lib/action_dispatch/middleware/stack.rb
+++ b/actionpack/lib/action_dispatch/middleware/stack.rb
@@ -69,7 +69,7 @@ module ActionDispatch
     end
 
     def active
-      ActiveSupport::Deprecation.warn "All middlewares in the chain are active since the laziness " << 
+      ActiveSupport::Deprecation.warn "All middlewares in the chain are active since the laziness " <<
         "was removed from the middleware stack", caller
     end
 
diff --git a/actionpack/lib/action_dispatch/routing.rb b/actionpack/lib/action_dispatch/routing.rb
index 683dd72555..df1b53016d 100644
--- a/actionpack/lib/action_dispatch/routing.rb
+++ b/actionpack/lib/action_dispatch/routing.rb
@@ -15,7 +15,7 @@ module ActionDispatch
   #   match ':controller(/:action(/:id(.:format)))'
   #
   # This route states that it expects requests to consist of a
-  # <tt>:controller</tt> followed optionally by an <tt>:action</tt> that in 
+  # <tt>:controller</tt> followed optionally by an <tt>:action</tt> that in
   # turn is followed optionally by an <tt>:id</tt>, which in turn is followed
   # optionally by a <tt>:format</tt>
   #
@@ -134,8 +134,8 @@ module ActionDispatch
   # == HTTP Methods
   #
   # Using the <tt>:via</tt> option when specifying a route allows you to restrict it to a specific HTTP method.
-  # Possible values are <tt>:post</tt>, <tt>:get</tt>, <tt>:put</tt>, <tt>:delete</tt> and <tt>:any</tt>. 
-  # If your route needs to respond to more than one method you can use an array, e.g. <tt>[ :get, :post ]</tt>. 
+  # Possible values are <tt>:post</tt>, <tt>:get</tt>, <tt>:put</tt>, <tt>:delete</tt> and <tt>:any</tt>.
+  # If your route needs to respond to more than one method you can use an array, e.g. <tt>[ :get, :post ]</tt>.
   # The default value is <tt>:any</tt> which means that the route will respond to any of the HTTP methods.
   #
   # Examples:
@@ -144,7 +144,7 @@ module ActionDispatch
   #   match 'post/:id' => "posts#create_comment', :via => :post
   #
   # Now, if you POST to <tt>/posts/:id</tt>, it will route to the <tt>create_comment</tt> action. A GET on the same
-  # URL will route to the <tt>show</tt> action. 
+  # URL will route to the <tt>show</tt> action.
   #
   # === HTTP helper methods
   #
diff --git a/actionpack/lib/action_view/helpers/debug_helper.rb b/actionpack/lib/action_view/helpers/debug_helper.rb
index 1491cb073f..cd67851642 100644
--- a/actionpack/lib/action_view/helpers/debug_helper.rb
+++ b/actionpack/lib/action_view/helpers/debug_helper.rb
@@ -1,6 +1,6 @@
 module ActionView
   # = Action View Debug Helper
-  # 
+  #
   # Provides a set of methods for making it easier to debug Rails objects.
   module Helpers
     module DebugHelper
diff --git a/actionpack/lib/action_view/helpers/form_options_helper.rb b/actionpack/lib/action_view/helpers/form_options_helper.rb
index 3c4d0b65f4..698cd3e4cd 100644
--- a/actionpack/lib/action_view/helpers/form_options_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_options_helper.rb
@@ -53,16 +53,16 @@ module ActionView
     #     <option value="2">Sam</option>
     #     <option value="3">Tobias</option>
     #   </select>
-    # 
-    # Like the other form helpers, +select+ can accept an <tt>:index</tt> option to manually set the ID used in the resulting output. Unlike other helpers, +select+ expects this 
+    #
+    # Like the other form helpers, +select+ can accept an <tt>:index</tt> option to manually set the ID used in the resulting output. Unlike other helpers, +select+ expects this
     # option to be in the +html_options+ parameter.
-    # 
-    # Example: 
-    # 
+    #
+    # Example:
+    #
     #   select("album[]", "genre", %w[rap rock country], {}, { :index => nil })
-    # 
+    #
     # becomes:
-    # 
+    #
     #   <select name="album[][genre]" id="album__genre">
     #     <option value="rap">rap</option>
     #     <option value="rock">rock</option>
@@ -140,7 +140,7 @@ module ActionView
       # The <tt>:value_method</tt> and <tt>:text_method</tt> parameters are methods to be called on each member
       # of +collection+. The return values are used as the +value+ attribute and contents of each
       # <tt><option></tt> tag, respectively.
-      # 
+      #
       # Example object structure for use with this method:
       #   class Post < ActiveRecord::Base
       #     belongs_to :author
diff --git a/actionpack/lib/action_view/helpers/form_tag_helper.rb b/actionpack/lib/action_view/helpers/form_tag_helper.rb
index 686c5b7a14..b9d27be639 100644
--- a/actionpack/lib/action_view/helpers/form_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_tag_helper.rb
@@ -25,7 +25,7 @@ module ActionView
       #   If "put", "delete", or another verb is used, a hidden input with name <tt>_method</tt>
       #   is added to simulate the verb over post.
       # * A list of parameters to feed to the URL the form will be posted to.
-      # * <tt>:remote</tt> - If set to true, will allow the Unobtrusive JavaScript drivers to control the 
+      # * <tt>:remote</tt> - If set to true, will allow the Unobtrusive JavaScript drivers to control the
       #   submit behaviour. By default this behaviour is an ajax submit.
       #
       # ==== Examples
@@ -42,10 +42,10 @@ module ActionView
       #     <div><%= submit_tag 'Save' %></div>
       #   <% end -%>
       #   # => <form action="/posts" method="post"><div><input type="submit" name="submit" value="Save" /></div></form>
-      # 
+      #
       #  <%= form_tag('/posts', :remote => true) %>
       #   # => <form action="/posts" method="post" data-remote="true">
-      #   
+      #
       def form_tag(url_for_options = {}, options = {}, *parameters_for_url, &block)
         html_options = html_options_for_form(url_for_options, options, *parameters_for_url)
         if block_given?
@@ -351,12 +351,12 @@ module ActionView
       # Creates a submit button with the text <tt>value</tt> as the caption.
       #
       # ==== Options
-      # * <tt>:confirm => 'question?'</tt> - If present the unobtrusive JavaScript 
-      #   drivers will provide a prompt with the question specified. If the user accepts, 
+      # * <tt>:confirm => 'question?'</tt> - If present the unobtrusive JavaScript
+      #   drivers will provide a prompt with the question specified. If the user accepts,
       #   the form is processed normally, otherwise no action is taken.
       # * <tt>:disabled</tt> - If true, the user will not be able to use this input.
-      # * <tt>:disable_with</tt> - Value of this parameter will be used as the value for a 
-      #   disabled version of the submit button when the form is submitted. This feature is 
+      # * <tt>:disable_with</tt> - Value of this parameter will be used as the value for a
+      #   disabled version of the submit button when the form is submitted. This feature is
       #   provided by the unobtrusive JavaScript driver.
       # * Any other key creates standard HTML options for the tag.
       #
@@ -383,7 +383,7 @@ module ActionView
       #   #    name="commit" type="submit" value="Edit" />
       #
       #   submit_tag "Save", :confirm => "Are you sure?"
-      #   # => <input name='commit' type='submit' value='Save' 
+      #   # => <input name='commit' type='submit' value='Save'
       #         data-confirm="Are you sure?" />
       #
       def submit_tag(value = "Save changes", options = {})
diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
index f11027bc93..9dc47272b0 100644
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ b/actionpack/lib/action_view/helpers/number_helper.rb
@@ -325,7 +325,7 @@ module ActionView
         defaults = I18n.translate(:'number.format', :locale => options[:locale], :default => {})
         human    = I18n.translate(:'number.human.format', :locale => options[:locale], :default => {})
         defaults = defaults.merge(human)
-        
+
         options = options.reverse_merge(defaults)
         #for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files
         options[:strip_insignificant_zeros] = true if not options.key?(:strip_insignificant_zeros)
diff --git a/actionpack/lib/action_view/helpers/raw_output_helper.rb b/actionpack/lib/action_view/helpers/raw_output_helper.rb
index da7599fa8f..216683a2e0 100644
--- a/actionpack/lib/action_view/helpers/raw_output_helper.rb
+++ b/actionpack/lib/action_view/helpers/raw_output_helper.rb
@@ -2,7 +2,7 @@ module ActionView #:nodoc:
   # = Action View Raw Output Helper
   module Helpers #:nodoc:
     module RawOutputHelper
-      # This method outputs without escaping a string. Since escaping tags is 
+      # This method outputs without escaping a string. Since escaping tags is
       # now default, this can be used when you don't want Rails to automatically
       # escape tags. This is not recommended if the data is coming from the user's
       # input.
diff --git a/actionpack/lib/action_view/helpers/sanitize_helper.rb b/actionpack/lib/action_view/helpers/sanitize_helper.rb
index d82005fa24..0fee34f8a4 100644
--- a/actionpack/lib/action_view/helpers/sanitize_helper.rb
+++ b/actionpack/lib/action_view/helpers/sanitize_helper.rb
@@ -9,7 +9,7 @@ module ActionView
     # These helper methods extend Action View making them callable within your template files.
     module SanitizeHelper
       extend ActiveSupport::Concern
-      # This +sanitize+ helper will html encode all tags and strip all attributes that 
+      # This +sanitize+ helper will html encode all tags and strip all attributes that
       # aren't specifically allowed.
       #
       # It also strips href/src tags with invalid protocols, like javascript: especially.
@@ -21,7 +21,7 @@ module ActionView
       #
       # You can add or remove tags/attributes if you want to customize it a bit.
       # See ActionView::Base for full docs on the available options.  You can add
-      # tags/attributes for single uses of +sanitize+ by passing either the 
+      # tags/attributes for single uses of +sanitize+ by passing either the
       # <tt>:attributes</tt> or <tt>:tags</tt> options:
       #
       # Normal Use
diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb
index c1de5c8cb3..46af3012d9 100644
--- a/actionpack/lib/action_view/helpers/text_helper.rb
+++ b/actionpack/lib/action_view/helpers/text_helper.rb
@@ -462,7 +462,7 @@ module ActionView
           text.gsub(AUTO_LINK_RE) do
             scheme, href = $1, $&
             punctuation = []
-            
+
             if auto_linked?($`, $')
               # do not change string; URL is already linked
               href
@@ -507,7 +507,7 @@ module ActionView
             end
           end
         end
-        
+
         # Detects already linked context or position in the middle of a tag
         def auto_linked?(left, right)
           (left =~ AUTO_LINK_CRE[0] and right =~ AUTO_LINK_CRE[1]) or
diff --git a/actionpack/lib/action_view/helpers/translation_helper.rb b/actionpack/lib/action_view/helpers/translation_helper.rb
index dac9c28ab7..13767a09f9 100644
--- a/actionpack/lib/action_view/helpers/translation_helper.rb
+++ b/actionpack/lib/action_view/helpers/translation_helper.rb
@@ -5,21 +5,21 @@ module ActionView
   module Helpers
     module TranslationHelper
       # Delegates to I18n#translate but also performs three additional functions.
-      # First, it'll catch MissingTranslationData exceptions and turn them into 
-      # inline spans that contains the missing key, such that you can see in a 
+      # First, it'll catch MissingTranslationData exceptions and turn them into
+      # inline spans that contains the missing key, such that you can see in a
       # view what is missing where.
       #
-      # Second, it'll scope the key by the current partial if the key starts 
-      # with a period. So if you call <tt>translate(".foo")</tt> from the 
-      # <tt>people/index.html.erb</tt> template, you'll actually be calling 
+      # Second, it'll scope the key by the current partial if the key starts
+      # with a period. So if you call <tt>translate(".foo")</tt> from the
+      # <tt>people/index.html.erb</tt> template, you'll actually be calling
       # <tt>I18n.translate("people.index.foo")</tt>. This makes it less repetitive
       # to translate many keys within the same partials and gives you a simple framework
-      # for scoping them consistently. If you don't prepend the key with a period, 
+      # for scoping them consistently. If you don't prepend the key with a period,
       # nothing is converted.
       #
-      # Third, it'll mark the translation as safe HTML if the key has the suffix 
-      # "_html" or the last element of the key is the word "html". For example, 
-      # calling translate("footer_html") or translate("footer.html") will return 
+      # Third, it'll mark the translation as safe HTML if the key has the suffix
+      # "_html" or the last element of the key is the word "html". For example,
+      # calling translate("footer_html") or translate("footer.html") will return
       # a safe HTML string that won't be escaped by other HTML helper methods. This
       # naming convention helps to identify translations that include HTML tags so that
       # you know what kind of output to expect when you call translate in a template.
diff --git a/actionpack/lib/action_view/log_subscriber.rb b/actionpack/lib/action_view/log_subscriber.rb
index 443a0eafd1..29ffbd6fdd 100644
--- a/actionpack/lib/action_view/log_subscriber.rb
+++ b/actionpack/lib/action_view/log_subscriber.rb
@@ -7,7 +7,7 @@ module ActionView
       message = "Rendered #{from_rails_root(event.payload[:identifier])}"
       message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
       message << (" (%.1fms)" % event.duration)
-      info(message)        
+      info(message)
     end
     alias :render_partial :render_template
     alias :render_collection :render_template
diff --git a/actionpack/lib/action_view/template/handler.rb b/actionpack/lib/action_view/template/handler.rb
index 8ecc911519..c6a1bc6235 100644
--- a/actionpack/lib/action_view/template/handler.rb
+++ b/actionpack/lib/action_view/template/handler.rb
@@ -35,7 +35,7 @@ module ActionView
       end
     end
   end
-  
+
   TemplateHandlers = Template::Handlers
   TemplateHandler = Template::Handler
 end
diff --git a/actionpack/lib/action_view/template/handlers.rb b/actionpack/lib/action_view/template/handlers.rb
index 84d6474dd1..ed397699b0 100644
--- a/actionpack/lib/action_view/template/handlers.rb
+++ b/actionpack/lib/action_view/template/handlers.rb
@@ -18,7 +18,7 @@ module ActionView #:nodoc:
 
       @@template_handlers = {}
       @@default_template_handlers = nil
-    
+
       def self.extensions
         @@template_extensions ||= @@template_handlers.keys
       end
diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 137281e5e9..e9d2e0b843 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -44,7 +44,7 @@ module ActionView
       include ActionView::Helpers
 
       attr_accessor :controller, :output_buffer, :rendered
-      
+
       module ClassMethods
         def tests(helper_class)
           self.helper_class = helper_class
diff --git a/actionpack/lib/action_view/testing/resolvers.rb b/actionpack/lib/action_view/testing/resolvers.rb
index 578c56c6c4..97de2471cf 100644
--- a/actionpack/lib/action_view/testing/resolvers.rb
+++ b/actionpack/lib/action_view/testing/resolvers.rb
@@ -38,6 +38,6 @@ module ActionView #:nodoc:
       [ActionView::Template.new("Template generated by Null Resolver", path, handler, :virtual_path => path, :format => format)]
     end
   end
-  
+
 end