Revert Revision 520; This is more thorough

This ensures that @page.name has the right (utf8)
encoding.

app/controllers/wiki_controller.rb

@@ -389,6 +389,7 @@ class WikiController < ApplicationController
   def load_page
     @page_name = params['id'] ? params['id'].purify : nil
     @page = @wiki.read_page(@web_name, @page_name) if @page_name
+    @page.name.as_utf8 if @page
   end
 
   private

app/models/author.rb

@@ -3,7 +3,7 @@ class Author < String
   attr_reader :name
   def initialize(name, ip = nil) 
     @ip = ip
-    super(name)
+    super(name.as_utf8)
   end
 
   def name=(value)

app/models/page.rb

@@ -82,7 +82,7 @@ class Page < ActiveRecord::Base
 
   # Returns the original wiki-word name as separate words, so "MyPage" becomes "My Page".
   def plain_name
-    web.brackets_only? ? CGI.escapeHTML(name).as_utf8 : CGI.escapeHTML(WikiWords.separate(name)).as_utf8
+    web.brackets_only? ? CGI.escapeHTML(name) : CGI.escapeHTML(WikiWords.separate(name))
   end
 
   LOCKING_PERIOD = 30.minutes