Minor doc changes to active_model/validations/confirmation.rb

activemodel/lib/active_model/validations/confirmation.rb

 module ActiveModel
+
+  # == Active Model Confirmation Validator
   module Validations
     class ConfirmationValidator < EachValidator
       def validate_each(record, attribute, value)
@@ -13,33 +15,45 @@ def setup(klass)
     end
 
     module HelperMethods
-      # Encapsulates the pattern of wanting to validate a password or email address field with a confirmation. Example:
+      # Encapsulates the pattern of wanting to validate a password or email 
+      # address field with a confirmation. For example:
       #
       #   Model:
       #     class Person < ActiveRecord::Base
       #       validates_confirmation_of :user_name, :password
-      #       validates_confirmation_of :email_address, :message => "should match confirmation"
+      #       validates_confirmation_of :email_address, 
+      #                                 :message => "should match confirmation"
       #     end
       #
       #   View:
       #     <%= password_field "person", "password" %>
       #     <%= password_field "person", "password_confirmation" %>
       #
-      # The added +password_confirmation+ attribute is virtual; it exists only as an in-memory attribute for validating the password.
-      # To achieve this, the validation adds accessors to the model for the confirmation attribute. NOTE: This check is performed
-      # only if +password_confirmation+ is not +nil+, and by default only on save. To require confirmation, make sure to add a presence
-      # check for the confirmation attribute:
+      # The added +password_confirmation+ attribute is virtual; it exists only 
+      # as an in-memory attribute for validating the password. To achieve this,
+      # the validation adds accessors to the model for the confirmation 
+      # attribute.
+      # 
+      # NOTE: This check is performed only if +password_confirmation+ is not 
+      # +nil+, and by default only on save. To require confirmation, make sure
+      # to add a presence check for the confirmation attribute:
       #
       #   validates_presence_of :password_confirmation, :if => :password_changed?
       #
       # Configuration options:
-      # * <tt>:message</tt> - A custom error message (default is: "doesn't match confirmation").
-      # * <tt>:on</tt> - Specifies when this validation is active (default is <tt>:save</tt>, other options <tt>:create</tt>, <tt>:update</tt>).
-      # * <tt>:if</tt> - Specifies a method, proc or string to call to determine if the validation should
-      #   occur (e.g. <tt>:if => :allow_validation</tt>, or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>).  The
-      #   method, proc or string should return or evaluate to a true or false value.
-      # * <tt>:unless</tt> - Specifies a method, proc or string to call to determine if the validation should
-      #   not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>).  The
+      # * <tt>:message</tt> - A custom error message (default is: "doesn't match
+      #   confirmation").
+      # * <tt>:on</tt> - Specifies when this validation is active (default is
+      #   <tt>:save</tt>, other options <tt>:create</tt>, <tt>:update</tt>).
+      # * <tt>:if</tt> - Specifies a method, proc or string to call to determine
+      #   if the validation should occur (e.g. <tt>:if => :allow_validation</tt>,
+      #   or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>).  The
+      #   method, proc or string should return or evaluate to a true or false 
+      #   value.
+      # * <tt>:unless</tt> - Specifies a method, proc or string to call to 
+      #   determine if the validation should not occur (e.g. 
+      #   <tt>:unless => :skip_validation</tt>, or 
+      #   <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>). The
       #   method, proc or string should return or evaluate to a true or false value.
       def validates_confirmation_of(*attr_names)
         validates_with ConfirmationValidator, _merge_attributes(attr_names)