Merged in latest changes from rails/master

actionmailer/lib/action_mailer.rb

@@ -34,11 +34,12 @@ module ActionMailer
   autoload :DeprecatedBody
   autoload :Base
   autoload :DeliveryMethod
+  autoload :MailHelper
   autoload :Part
   autoload :PartContainer
   autoload :Quoting
-  autoload :TestCase
   autoload :TestHelper
+  
 end
 
 module Text

actionmailer/lib/action_mailer/base.rb

@@ -258,7 +258,8 @@ module ActionMailer #:nodoc:
     include AbstractController::Layouts
 
     include AbstractController::Helpers
-
+    helper ActionMailer::MailHelper
+    
     if Object.const_defined?(:ActionController)
       include ActionController::UrlWriter
     end

actionmailer/lib/action_mailer/mail_helper.rb

@@ -0,0 +1,19 @@
+module ActionMailer
+  module MailHelper
+    # Uses Text::Format to take the text and format it, indented two spaces for
+    # each line, and wrapped at 72 columns.
+    def block_format(text)
+      formatted = text.split(/\n\r\n/).collect { |paragraph|
+        Text::Format.new(
+          :columns => 72, :first_indent => 2, :body_indent => 2, :text => paragraph
+        ).format
+      }.join("\n")
+    
+      # Make list points stand on their own line
+      formatted.gsub!(/[ ]*([*]+) ([^*]*)/) { |s| "  #{$1} #{$2.strip}\n" }
+      formatted.gsub!(/[ ]*([#]+) ([^#]*)/) { |s| "  #{$1} #{$2.strip}\n" }
+ 
+      formatted
+    end
+  end
+end

actionmailer/test/mail_helper_test.rb

@@ -56,7 +56,7 @@ end
 class MailerHelperTest < Test::Unit::TestCase
   def new_mail( charset="utf-8" )
     mail = Mail.new
-    mail.content_type(["text", "plain", { "charset" => charset }])
+    mail.set_content_type "text", "plain", { "charset" => charset } if charset
     mail
   end