edit pass to apply API guideline wrt the use of "# =>" in example code

19 files changed, 104 insertions, 103 deletions

diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb
index 7bbde53306..64d3b29513 100644
--- a/actionmailer/lib/action_mailer/base.rb
+++ b/actionmailer/lib/action_mailer/base.rb
@@ -496,10 +496,10 @@ module ActionMailer #:nodoc:
     # You can also search for specific attachments:
     #
     #  # By Filename
-    #  mail.attachments['filename.jpg']   #=> Mail::Part object or nil
+    #  mail.attachments['filename.jpg']   # => Mail::Part object or nil
     #
     #  # or by index
-    #  mail.attachments[0]                #=> Mail::Part (first attachment)
+    #  mail.attachments[0]                # => Mail::Part (first attachment)
     #
     def attachments
       @_message.attachments
diff --git a/actionpack/lib/action_dispatch/routing/url_for.rb b/actionpack/lib/action_dispatch/routing/url_for.rb
index 9b42f26289..ba93ff8630 100644
--- a/actionpack/lib/action_dispatch/routing/url_for.rb
+++ b/actionpack/lib/action_dispatch/routing/url_for.rb
@@ -20,7 +20,7 @@ module ActionDispatch
     #   <%= link_to('Click here', :controller => 'users',
     #           :action => 'new', :message => 'Welcome!') %>
     #
-    #   #=> Generates a link to: /users/new?message=Welcome%21
+    #   # Generates a link to /users/new?message=Welcome%21
     #
     # link_to, and all other functions that require URL generation functionality,
     # actually use ActionController::UrlFor under the hood. And in particular,
diff --git a/activemodel/lib/active_model/conversion.rb b/activemodel/lib/active_model/conversion.rb
index 2a1650faa9..d2bd160dc7 100644
--- a/activemodel/lib/active_model/conversion.rb
+++ b/activemodel/lib/active_model/conversion.rb
@@ -17,9 +17,9 @@ module ActiveModel
   #   end
   #
   #   cm = ContactMessage.new
-  #   cm.to_model == self #=> true
-  #   cm.to_key           #=> nil
-  #   cm.to_param         #=> nil
+  #   cm.to_model == self # => true
+  #   cm.to_key           # => nil
+  #   cm.to_param         # => nil
   #
   module Conversion
     # If your object is already designed to implement all of the Active Model 
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 482b3dac47..bf93126d27 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -83,8 +83,8 @@ module ActiveModel
     # When passed a symbol or a name of a method, returns an array of errors 
     # for the method.
     # 
-    #   p.errors[:name]   #=> ["can not be nil"]
-    #   p.errors['name']  #=> ["can not be nil"]
+    #   p.errors[:name]   # => ["can not be nil"]
+    #   p.errors['name']  # => ["can not be nil"]
     def [](attribute)
       if errors = get(attribute.to_sym)
         errors
@@ -96,7 +96,7 @@ module ActiveModel
     # Adds to the supplied attribute the supplied error message.
     # 
     #   p.errors[:name] = "must be set"
-    #   p.errors[:name] #=> ['must be set']
+    #   p.errors[:name] # => ['must be set']
     def []=(attribute, error)
       self[attribute.to_sym] << error
     end
@@ -124,9 +124,9 @@ module ActiveModel
     # Returns the number of error messages.
     # 
     #   p.errors.add(:name, "can't be blank")
-    #   p.errors.size #=> 1
+    #   p.errors.size # => 1
     #   p.errors.add(:name, "must be specified")
-    #   p.errors.size #=> 2
+    #   p.errors.size # => 2
     def size
       values.flatten.size
     end
@@ -135,16 +135,16 @@ module ActiveModel
     # 
     #   p.errors.add(:name, "can't be blank")
     #   p.errors.add(:name, "must be specified")
-    #   p.errors.to_a   #=>   ["name can't be blank", "name must be specified"]
+    #   p.errors.to_a # => ["name can't be blank", "name must be specified"]
     def to_a
       full_messages
     end
 
     # Returns the number of error messages.
     #   p.errors.add(:name, "can't be blank")
-    #   p.errors.count #=> 1
+    #   p.errors.count # => 1
     #   p.errors.add(:name, "must be specified")
-    #   p.errors.count #=> 2
+    #   p.errors.count # => 2
     def count
       to_a.size
     end
@@ -158,8 +158,8 @@ module ActiveModel
     # 
     #   p.errors.add(:name, "can't be blank")
     #   p.errors.add(:name, "must be specified")
-    #   p.errors.to_xml   #=> Produces:
-    # 
+    #   p.errors.to_xml
+    #   # =>
     #   #  <?xml version=\"1.0\" encoding=\"UTF-8\"?>
     #   #  <errors>
     #   #    <error>name can't be blank</error>
diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb
index dc83932dde..b74d669f0a 100644
--- a/activemodel/lib/active_model/naming.rb
+++ b/activemodel/lib/active_model/naming.rb
@@ -17,7 +17,10 @@ module ActiveModel
     end
 
     # Transform the model name into a more humane format, using I18n. By default,
-    # it will underscore then humanize the class name (BlogPost.model_name.human #=> "Blog post").
+    # it will underscore then humanize the class name
+    #
+    #   BlogPost.model_name.human # => "Blog post"
+    #
     # Specify +options+ with additional translating options.
     def human(options={})
       return @human unless @klass.respond_to?(:lookup_ancestors) &&
@@ -45,8 +48,8 @@ module ActiveModel
   #     extend ActiveModel::Naming
   #   end
   # 
-  #   BookCover.model_name        #=> "BookCover"
-  #   BookCover.model_name.human  #=> "Book cover"
+  #   BookCover.model_name        # => "BookCover"
+  #   BookCover.model_name.human  # => "Book cover"
   # 
   # Providing the functionality that ActiveModel::Naming provides in your object
   # is required to pass the Active Model Lint test.  So either extending the provided
diff --git a/activemodel/lib/active_model/translation.rb b/activemodel/lib/active_model/translation.rb
index 0554677296..0facbd6ce1 100644
--- a/activemodel/lib/active_model/translation.rb
+++ b/activemodel/lib/active_model/translation.rb
@@ -14,7 +14,7 @@ module ActiveModel
   #   end
   # 
   #   TranslatedPerson.human_attribute_name('my_attribute')
-  #   #=> "My attribute"
+  #   # => "My attribute"
   # 
   # This also provides the required class methods for hooking into the
   # Rails internationalization API, including being able to define a
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index 5779ba3b29..1a58d4c4fb 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -24,20 +24,16 @@ module ActiveModel
   #   end
   # 
   # Which provides you with the full standard validation stack that you
-  # know from ActiveRecord.
+  # know from Active Record:
   # 
   #   person = Person.new
-  #   person.valid?
-  #   #=> true
-  #   person.invalid?
-  #   #=> false
+  #   person.valid?                   # => true
+  #   person.invalid?                 # => false
+  #
   #   person.first_name = 'zoolander'
-  #   person.valid?
-  #   #=> false
-  #   person.invalid?
-  #   #=> true
-  #   person.errors
-  #   #=> #<OrderedHash {:first_name=>["starts with z."]}>
+  #   person.valid?                   # => false
+  #   person.invalid?                 # => true
+  #   person.errors                   # => #<OrderedHash {:first_name=>["starts with z."]}>
   # 
   # Note that ActiveModel::Validations automatically adds an +errors+ method
   # to your instances initialized with a new ActiveModel::Errors object, so
diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb
index 689c617177..52192d5988 100644
--- a/activemodel/lib/active_model/validator.rb
+++ b/activemodel/lib/active_model/validator.rb
@@ -102,8 +102,8 @@ module ActiveModel #:nodoc:
     #
     # == Examples
     #
-    #   PresenceValidator.kind    #=> :presence
-    #   UniquenessValidator.kind  #=> :uniqueness
+    #   PresenceValidator.kind   # => :presence
+    #   UniquenessValidator.kind # => :uniqueness
     #
     def self.kind
       @kind ||= name.split('::').last.underscore.sub(/_validator$/, '').to_sym unless anonymous?
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index cf8c5aaf84..e652296e2c 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -78,7 +78,7 @@ module ActiveRecord
     #   member.avatar_attributes = { :id => '2', :_destroy => '1' }
     #   member.avatar.marked_for_destruction? # => true
     #   member.save
-    #   member.reload.avatar #=> nil
+    #   member.reload.avatar # => nil
     #
     # Note that the model will _not_ be destroyed until the parent is saved.
     #
@@ -180,7 +180,7 @@ module ActiveRecord
     #
     #   member.attributes = params['member']
     #   member.posts.detect { |p| p.id == 2 }.marked_for_destruction? # => true
-    #   member.posts.length #=> 2
+    #   member.posts.length # => 2
     #   member.save
     #   member.reload.posts.length # => 1
     #
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 86a210d2be..a8cea44c78 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -108,7 +108,7 @@ module ActiveRecord
     # ==== Example
     #
     #   Comment.where(:post_id => 1).scoping do
-    #     Comment.first #=> SELECT * FROM comments WHERE post_id = 1
+    #     Comment.first # SELECT * FROM comments WHERE post_id = 1
     #   end
     #
     # Please check unscoped if you want to remove all previous scopes (including
diff --git a/activesupport/lib/active_support/core_ext/array/uniq_by.rb b/activesupport/lib/active_support/core_ext/array/uniq_by.rb
index a09b2302fd..bd5c7a187f 100644
--- a/activesupport/lib/active_support/core_ext/array/uniq_by.rb
+++ b/activesupport/lib/active_support/core_ext/array/uniq_by.rb
@@ -2,7 +2,7 @@ class Array
   # Return an unique array based on the criteria given as a proc.
   #
   #   [1, 2, 3, 4].uniq_by { |i| i.odd? }
-  #   #=> [1, 2]
+  #   # => [1, 2]
   #
   def uniq_by
     hash, array = {}, []
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb
index d0821a7c68..f76ed401cd 100644
--- a/activesupport/lib/active_support/core_ext/enumerable.rb
+++ b/activesupport/lib/active_support/core_ext/enumerable.rb
@@ -66,7 +66,8 @@ module Enumerable
   # +memo+ to the block. Handy for building up hashes or
   # reducing collections down to one object. Examples:
   #
-  #   %w(foo bar).each_with_object({}) { |str, hsh| hsh[str] = str.upcase } #=> {'foo' => 'FOO', 'bar' => 'BAR'}
+  #   %w(foo bar).each_with_object({}) { |str, hsh| hsh[str] = str.upcase }
+  #   # => {'foo' => 'FOO', 'bar' => 'BAR'}
   #
   # *Note* that you can't use immutable objects like numbers, true or false as
   # the memo. You would think the following returns 120, but since the memo is
diff --git a/activesupport/lib/active_support/core_ext/string/multibyte.rb b/activesupport/lib/active_support/core_ext/string/multibyte.rb
index 16ccd36458..0b974f5e0a 100644
--- a/activesupport/lib/active_support/core_ext/string/multibyte.rb
+++ b/activesupport/lib/active_support/core_ext/string/multibyte.rb
@@ -12,11 +12,11 @@ class String
     # class. If the proxy class doesn't respond to a certain method, it's forwarded to the encapsuled string.
     #
     #   name = 'Claus Müller'
-    #   name.reverse  #=> "rell??M sualC"
-    #   name.length   #=> 13
+    #   name.reverse # => "rell??M sualC"
+    #   name.length  # => 13
     #
-    #   name.mb_chars.reverse.to_s   #=> "rellüM sualC"
-    #   name.mb_chars.length         #=> 12
+    #   name.mb_chars.reverse.to_s # => "rellüM sualC"
+    #   name.mb_chars.length       # => 12
     #
     # In Ruby 1.9 and newer +mb_chars+ returns +self+ because String is (mostly) encoding aware. This means that
     # it becomes easy to run one version of your code on multiple Ruby versions.
@@ -26,7 +26,7 @@ class String
     # All the methods on the Chars proxy which normally return a string will return a Chars object. This allows
     # method chaining on the result of any of these methods.
     #
-    #   name.mb_chars.reverse.length #=> 12
+    #   name.mb_chars.reverse.length # => 12
     #
     # == Interoperability and configuration
     #
diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb
index 51c2a0edac..019fb2df06 100644
--- a/activesupport/lib/active_support/multibyte/chars.rb
+++ b/activesupport/lib/active_support/multibyte/chars.rb
@@ -11,7 +11,7 @@ module ActiveSupport #:nodoc:
     # String methods are proxied through the Chars object, and can be accessed through the +mb_chars+ method. Methods
     # which would normally return a String object now return a Chars object so methods can be chained.
     #
-    #   "The Perfect String  ".mb_chars.downcase.strip.normalize #=> "the perfect string"
+    #   "The Perfect String  ".mb_chars.downcase.strip.normalize # => "the perfect string"
     #
     # Chars objects are perfectly interchangeable with String objects as long as no explicit class checks are made.
     # If certain methods do explicitly check the class, call +to_s+ before you pass chars objects to them.
@@ -83,12 +83,13 @@ module ActiveSupport #:nodoc:
 
       include Comparable
 
-      # Returns <tt>-1</tt>, <tt>0</tt> or <tt>+1</tt> depending on whether the Chars object is to be sorted before,
-      # equal or after the object on the right side of the operation. It accepts any object that implements +to_s+.
-      # See <tt>String#<=></tt> for more details.
+      # Returns -1, 0, or 1, depending on whether the Chars object is to be sorted before,
+      # equal or after the object on the right side of the operation. It accepts any object
+      # that implements +to_s+:
       #
-      # Example:
-      #   'é'.mb_chars <=> 'ü'.mb_chars #=> -1
+      #   'é'.mb_chars <=> 'ü'.mb_chars # => -1
+      #
+      # See <tt>String#<=></tt> for more details.
       def <=>(other)
         @wrapped_string <=> other.to_s
       end
@@ -103,7 +104,7 @@ module ActiveSupport #:nodoc:
         # Returns a new Chars object containing the _other_ object concatenated to the string.
         #
         # Example:
-        #   ('Café'.mb_chars + ' périferôl').to_s #=> "Café périferôl"
+        #   ('Café'.mb_chars + ' périferôl').to_s # => "Café périferôl"
         def +(other)
           chars(@wrapped_string + other)
         end
@@ -111,7 +112,7 @@ module ActiveSupport #:nodoc:
         # Like <tt>String#=~</tt> only it returns the character offset (in codepoints) instead of the byte offset.
         #
         # Example:
-        #   'Café périferôl'.mb_chars =~ /ô/ #=> 12
+        #   'Café périferôl'.mb_chars =~ /ô/ # => 12
         def =~(other)
           translate_offset(@wrapped_string =~ other)
         end
@@ -119,7 +120,7 @@ module ActiveSupport #:nodoc:
         # Inserts the passed string at specified codepoint offsets.
         #
         # Example:
-        #   'Café'.mb_chars.insert(4, ' périferôl').to_s #=> "Café périferôl"
+        #   'Café'.mb_chars.insert(4, ' périferôl').to_s # => "Café périferôl"
         def insert(offset, fragment)
           unpacked = Unicode.u_unpack(@wrapped_string)
           unless offset > unpacked.length
@@ -135,7 +136,7 @@ module ActiveSupport #:nodoc:
         # Returns +true+ if contained string contains _other_. Returns +false+ otherwise.
         #
         # Example:
-        #   'Café'.mb_chars.include?('é') #=> true
+        #   'Café'.mb_chars.include?('é') # => true
         def include?(other)
           # We have to redefine this method because Enumerable defines it.
           @wrapped_string.include?(other)
@@ -144,8 +145,8 @@ module ActiveSupport #:nodoc:
         # Returns the position _needle_ in the string, counting in codepoints. Returns +nil+ if _needle_ isn't found.
         #
         # Example:
-        #   'Café périferôl'.mb_chars.index('ô') #=> 12
-        #   'Café périferôl'.mb_chars.index(/\w/u) #=> 0
+        #   'Café périferôl'.mb_chars.index('ô')   # => 12
+        #   'Café périferôl'.mb_chars.index(/\w/u) # => 0
         def index(needle, offset=0)
           wrapped_offset = first(offset).wrapped_string.length
           index = @wrapped_string.index(needle, wrapped_offset)
@@ -157,8 +158,8 @@ module ActiveSupport #:nodoc:
         # string. Returns +nil+ if _needle_ isn't found.
         #
         # Example:
-        #   'Café périferôl'.mb_chars.rindex('é') #=> 6
-        #   'Café périferôl'.mb_chars.rindex(/\w/u) #=> 13
+        #   'Café périferôl'.mb_chars.rindex('é')   # => 6
+        #   'Café périferôl'.mb_chars.rindex(/\w/u) # => 13
         def rindex(needle, offset=nil)
           offset ||= length
           wrapped_offset = first(offset).wrapped_string.length
@@ -190,7 +191,7 @@ module ActiveSupport #:nodoc:
         # Returns the codepoint of the first character in the string.
         #
         # Example:
-        #   'こんにちは'.mb_chars.ord #=> 12371
+        #   'こんにちは'.mb_chars.ord # => 12371
         def ord
           Unicode.u_unpack(@wrapped_string)[0]
         end
@@ -200,10 +201,10 @@ module ActiveSupport #:nodoc:
         # Example:
         #
         #   "¾ cup".mb_chars.rjust(8).to_s
-        #   #=> "   ¾ cup"
+        #   # => "   ¾ cup"
         #
         #   "¾ cup".mb_chars.rjust(8, " ").to_s # Use non-breaking whitespace
-        #   #=> "   ¾ cup"
+        #   # => "   ¾ cup"
         def rjust(integer, padstr=' ')
           justify(integer, :right, padstr)
         end
@@ -213,10 +214,10 @@ module ActiveSupport #:nodoc:
         # Example:
         #
         #   "¾ cup".mb_chars.rjust(8).to_s
-        #   #=> "¾ cup   "
+        #   # => "¾ cup   "
         #
         #   "¾ cup".mb_chars.rjust(8, " ").to_s # Use non-breaking whitespace
-        #   #=> "¾ cup   "
+        #   # => "¾ cup   "
         def ljust(integer, padstr=' ')
           justify(integer, :left, padstr)
         end
@@ -226,10 +227,10 @@ module ActiveSupport #:nodoc:
         # Example:
         #
         #   "¾ cup".mb_chars.center(8).to_s
-        #   #=> " ¾ cup  "
+        #   # => " ¾ cup  "
         #
         #   "¾ cup".mb_chars.center(8, " ").to_s # Use non-breaking whitespace
-        #   #=> " ¾ cup  "
+        #   # => " ¾ cup  "
         def center(integer, padstr=' ')
           justify(integer, :center, padstr)
         end
@@ -244,7 +245,7 @@ module ActiveSupport #:nodoc:
       # instances instead of String. This makes chaining methods easier.
       #
       # Example:
-      #   'Café périferôl'.mb_chars.split(/é/).map { |part| part.upcase.to_s } #=> ["CAF", " P", "RIFERÔL"]
+      #   'Café périferôl'.mb_chars.split(/é/).map { |part| part.upcase.to_s } # => ["CAF", " P", "RIFERÔL"]
       def split(*args)
         @wrapped_string.split(*args).map { |i| i.mb_chars }
       end
@@ -256,12 +257,12 @@ module ActiveSupport #:nodoc:
       #   s = "Müller"
       #   s.mb_chars[2] = "e" # Replace character with offset 2
       #   s
-      #   #=> "Müeler"
+      #   # => "Müeler"
       #
       #   s = "Müller"
       #   s.mb_chars[1, 2] = "ö" # Replace 2 characters at character offset 1
       #   s
-      #   #=> "Möler"
+      #   # => "Möler"
       def []=(*args)
         replace_by = args.pop
         # Indexed replace with regular expressions already works
@@ -292,7 +293,7 @@ module ActiveSupport #:nodoc:
       # Reverses all characters in the string.
       #
       # Example:
-      #   'Café'.mb_chars.reverse.to_s #=> 'éfaC'
+      #   'Café'.mb_chars.reverse.to_s # => 'éfaC'
       def reverse
         chars(Unicode.g_unpack(@wrapped_string).reverse.flatten.pack('U*'))
       end
@@ -301,7 +302,7 @@ module ActiveSupport #:nodoc:
       # character.
       #
       # Example:
-      #   'こんにちは'.mb_chars.slice(2..3).to_s #=> "にち"
+      #   'こんにちは'.mb_chars.slice(2..3).to_s # => "にち"
       def slice(*args)
         if args.size > 2
           raise ArgumentError, "wrong number of arguments (#{args.size} for 1)" # Do as if we were native
@@ -330,7 +331,7 @@ module ActiveSupport #:nodoc:
       #
       # Example:
       #   s = 'こんにちは'
-      #   s.mb_chars.limit(7) #=> "こに"
+      #   s.mb_chars.limit(7) # => "こに"
       def limit(limit)
         slice(0...translate_offset(limit))
       end
@@ -338,7 +339,7 @@ module ActiveSupport #:nodoc:
       # Convert characters in the string to uppercase.
       #
       # Example:
-      #   'Laurent, où sont les tests ?'.mb_chars.upcase.to_s #=> "LAURENT, OÙ SONT LES TESTS ?"
+      #   'Laurent, où sont les tests ?'.mb_chars.upcase.to_s # => "LAURENT, OÙ SONT LES TESTS ?"
       def upcase
         chars(Unicode.apply_mapping @wrapped_string, :uppercase_mapping)
       end
@@ -346,7 +347,7 @@ module ActiveSupport #:nodoc:
       # Convert characters in the string to lowercase.
       #
       # Example:
-      #   'VĚDA A VÝZKUM'.mb_chars.downcase.to_s #=> "věda a výzkum"
+      #   'VĚDA A VÝZKUM'.mb_chars.downcase.to_s # => "věda a výzkum"
       def downcase
         chars(Unicode.apply_mapping @wrapped_string, :lowercase_mapping)
       end
@@ -354,7 +355,7 @@ module ActiveSupport #:nodoc:
       # Converts the first character to uppercase and the remainder to lowercase.
       #
       # Example:
-      #  'über'.mb_chars.capitalize.to_s #=> "Über"
+      #  'über'.mb_chars.capitalize.to_s # => "Über"
       def capitalize
         (slice(0) || chars('')).upcase + (slice(1..-1) || chars('')).downcase
       end
@@ -382,8 +383,8 @@ module ActiveSupport #:nodoc:
       # Performs canonical decomposition on all the characters.
       #
       # Example:
-      #   'é'.length #=> 2
-      #   'é'.mb_chars.decompose.to_s.length #=> 3
+      #   'é'.length                         # => 2
+      #   'é'.mb_chars.decompose.to_s.length # => 3
       def decompose
         chars(Unicode.decompose_codepoints(:canonical, Unicode.u_unpack(@wrapped_string)).pack('U*'))
       end
@@ -391,8 +392,8 @@ module ActiveSupport #:nodoc:
       # Performs composition on all the characters.
       #
       # Example:
-      #   'é'.length #=> 3
-      #   'é'.mb_chars.compose.to_s.length #=> 2
+      #   'é'.length                       # => 3
+      #   'é'.mb_chars.compose.to_s.length # => 2
       def compose
         chars(Unicode.compose_codepoints(Unicode.u_unpack(@wrapped_string)).pack('U*'))
       end
@@ -400,8 +401,8 @@ module ActiveSupport #:nodoc:
       # Returns the number of grapheme clusters in the string.
       #
       # Example:
-      #   'क्षि'.mb_chars.length #=> 4
-      #   'क्षि'.mb_chars.g_length #=> 3
+      #   'क्षि'.mb_chars.length   # => 4
+      #   'क्षि'.mb_chars.g_length # => 3
       def g_length
         Unicode.g_unpack(@wrapped_string).length
       end
diff --git a/activesupport/lib/active_support/multibyte/unicode.rb b/activesupport/lib/active_support/multibyte/unicode.rb
index 3d80f5fa58..1139783b65 100644
--- a/activesupport/lib/active_support/multibyte/unicode.rb
+++ b/activesupport/lib/active_support/multibyte/unicode.rb
@@ -64,7 +64,7 @@ module ActiveSupport
       # valid UTF-8.
       #
       # Example:
-      #   Unicode.u_unpack('Café') #=> [67, 97, 102, 233]
+      #   Unicode.u_unpack('Café') # => [67, 97, 102, 233]
       def u_unpack(string)
         begin
           string.unpack 'U*'
@@ -85,8 +85,8 @@ module ActiveSupport
       # Unpack the string at grapheme boundaries. Returns a list of character lists.
       #
       # Example:
-      #   Unicode.g_unpack('क्षि') #=> [[2325, 2381], [2359], [2367]]
-      #   Unicode.g_unpack('Café') #=> [[67], [97], [102], [233]]
+      #   Unicode.g_unpack('क्षि') # => [[2325, 2381], [2359], [2367]]
+      #   Unicode.g_unpack('Café') # => [[67], [97], [102], [233]]
       def g_unpack(string)
         codepoints = u_unpack(string)
         unpacked = []
@@ -120,7 +120,7 @@ module ActiveSupport
       # Reverse operation of g_unpack.
       #
       # Example:
-      #   Unicode.g_pack(Unicode.g_unpack('क्षि')) #=> 'क्षि'
+      #   Unicode.g_pack(Unicode.g_unpack('क्षि')) # => 'क्षि'
       def g_pack(unpacked)
         (unpacked.flatten).pack('U*')
       end
diff --git a/activesupport/lib/active_support/notifications.rb b/activesupport/lib/active_support/notifications.rb
index ca9f5ae1ac..fd79188ba4 100644
--- a/activesupport/lib/active_support/notifications.rb
+++ b/activesupport/lib/active_support/notifications.rb
@@ -22,9 +22,9 @@ module ActiveSupport
   #   end
   #
   #   event = @events.first
-  #   event.name      #=> :render
-  #   event.duration  #=> 10 (in milliseconds)
-  #   event.payload   #=> { :extra => :information }
+  #   event.name      # => :render
+  #   event.duration  # => 10 (in milliseconds)
+  #   event.payload   # => { :extra => :information }
   #
   # When subscribing to Notifications, you can pass a pattern, to only consume
   # events that match the pattern:
diff --git a/activesupport/lib/active_support/secure_random.rb b/activesupport/lib/active_support/secure_random.rb
index cfbce4d754..73344498cb 100644
--- a/activesupport/lib/active_support/secure_random.rb
+++ b/activesupport/lib/active_support/secure_random.rb
@@ -26,25 +26,25 @@ module ActiveSupport
     # == Example
     #
     #  # random hexadecimal string.
-    #  p SecureRandom.hex(10) #=> "52750b30ffbc7de3b362"
-    #  p SecureRandom.hex(10) #=> "92b15d6c8dc4beb5f559"
-    #  p SecureRandom.hex(11) #=> "6aca1b5c58e4863e6b81b8"
-    #  p SecureRandom.hex(12) #=> "94b2fff3e7fd9b9c391a2306"
-    #  p SecureRandom.hex(13) #=> "39b290146bea6ce975c37cfc23"
+    #  p SecureRandom.hex(10) # => "52750b30ffbc7de3b362"
+    #  p SecureRandom.hex(10) # => "92b15d6c8dc4beb5f559"
+    #  p SecureRandom.hex(11) # => "6aca1b5c58e4863e6b81b8"
+    #  p SecureRandom.hex(12) # => "94b2fff3e7fd9b9c391a2306"
+    #  p SecureRandom.hex(13) # => "39b290146bea6ce975c37cfc23"
     #  ...
     #
     #  # random base64 string.
-    #  p SecureRandom.base64(10) #=> "EcmTPZwWRAozdA=="
-    #  p SecureRandom.base64(10) #=> "9b0nsevdwNuM/w=="
-    #  p SecureRandom.base64(10) #=> "KO1nIU+p9DKxGg=="
-    #  p SecureRandom.base64(11) #=> "l7XEiFja+8EKEtY="
-    #  p SecureRandom.base64(12) #=> "7kJSM/MzBJI+75j8"
-    #  p SecureRandom.base64(13) #=> "vKLJ0tXBHqQOuIcSIg=="
+    #  p SecureRandom.base64(10) # => "EcmTPZwWRAozdA=="
+    #  p SecureRandom.base64(10) # => "9b0nsevdwNuM/w=="
+    #  p SecureRandom.base64(10) # => "KO1nIU+p9DKxGg=="
+    #  p SecureRandom.base64(11) # => "l7XEiFja+8EKEtY="
+    #  p SecureRandom.base64(12) # => "7kJSM/MzBJI+75j8"
+    #  p SecureRandom.base64(13) # => "vKLJ0tXBHqQOuIcSIg=="
     #  ...
     #
     #  # random binary string.
-    #  p SecureRandom.random_bytes(10) #=> "\016\t{\370g\310pbr\301"
-    #  p SecureRandom.random_bytes(10) #=> "\323U\030TO\234\357\020\a\337"
+    #  p SecureRandom.random_bytes(10) # => "\016\t{\370g\310pbr\301"
+    #  p SecureRandom.random_bytes(10) # => "\323U\030TO\234\357\020\a\337"
     #  ...
     module SecureRandom
       # SecureRandom.random_bytes generates a random binary string.
diff --git a/railties/lib/rails/generators/active_model.rb b/railties/lib/rails/generators/active_model.rb
index fe6321af30..4b828340d2 100644
--- a/railties/lib/rails/generators/active_model.rb
+++ b/railties/lib/rails/generators/active_model.rb
@@ -9,16 +9,16 @@ module Rails
     # For example:
     #
     #   ActiveRecord::Generators::ActiveModel.find(Foo, "params[:id]")
-    #   #=> "Foo.find(params[:id])"
+    #   # => "Foo.find(params[:id])"
     #
     #   Datamapper::Generators::ActiveModel.find(Foo, "params[:id]")
-    #   #=> "Foo.get(params[:id])"
+    #   # => "Foo.get(params[:id])"
     #
     # On initialization, the ActiveModel accepts the instance name that will
     # receive the calls:
     #
     #   builder = ActiveRecord::Generators::ActiveModel.new "@foo"
-    #   builder.save #=> "@foo.save"
+    #   builder.save # => "@foo.save"
     #
     # The only exception in ActiveModel for ActiveRecord is the use of self.build
     # instead of self.new.
diff --git a/railties/lib/rails/generators/test_case.rb b/railties/lib/rails/generators/test_case.rb
index 36bc542ffe..3376b422cb 100644
--- a/railties/lib/rails/generators/test_case.rb
+++ b/railties/lib/rails/generators/test_case.rb
@@ -68,7 +68,7 @@ module Rails
       # Captures the given stream and returns it:
       #
       #   stream = capture(:stdout){ puts "Cool" }
-      #   stream #=> "Cool\n"
+      #   stream # => "Cool\n"
       #
       def capture(stream)
         begin