Move the t alias to its own extension file

lib/redcloth.rb

@@ -28,23 +28,16 @@
 require 'redcloth/formatters/latex'
 
 module RedCloth
-  
+
   # A convenience method for creating a new TextileDoc. See
   # RedCloth::TextileDoc.
   def self.new( *args, &block )
     RedCloth::TextileDoc.new( *args, &block )
   end
-  
+
   # Include extension modules (if any) in TextileDoc.
   def self.include(*args)
     RedCloth::TextileDoc.send(:include, *args)
   end
-
-end
 
-begin
-  require 'erb'
-  require 'redcloth/erb_extension'
-  include ERB::Util
-rescue LoadError
 end

lib/redcloth/erb_alias_extension.rb

@@ -0,0 +1,15 @@
+
+require 'erb'
+require 'redcloth/erb_extension'
+
+class ERB
+  module Util
+    alias t textilize
+    module_function :t
+  end
+end
+
+begin
+  include ERB::Util
+rescue LoadError
+end

lib/redcloth/erb_extension.rb

@@ -19,8 +19,6 @@ def textilize( s )
       end
     end
 
-    alias t textilize
-    module_function :t
     module_function :textilize
 
   end

spec/erb_spec.rb

@@ -1,4 +1,5 @@
 require File.dirname(__FILE__) + '/spec_helper'
+require 'redcloth/erb_alias_extension'
 
 describe "ERB helper" do
   it "should add a textile tag to ERB" do