diff --git a/ChangeLog b/ChangeLog
index 041784789f..797bc97124 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jun 11 07:27:11 2006  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* lib/rdoc/ri/ri_writer.rb: use String#ord.
+
 Sun Jun 11 04:38:20 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* object.c (sym_to_proc): imported Symbol#to_proc from ActiveSupprot.
@@ -29,7 +33,7 @@ Sat Jun 10 10:13:13 2006  NAKAMURA Usaku  <usa@ruby-lang.org>
 	* lib/rdoc/markup/simple_markup/inline.rb: follow the new behavior
 	  of String#[].
 
-	* lib/rdoc/ri/ri_write.rb: ditto.
+	* lib/rdoc/ri/ri_writer.rb: ditto.
 
 Sat Jun 10 08:17:23 2006  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
diff --git a/lib/rdoc/ri/ri_writer.rb b/lib/rdoc/ri/ri_writer.rb
index f1042fba79..032558ed1c 100644
--- a/lib/rdoc/ri/ri_writer.rb
+++ b/lib/rdoc/ri/ri_writer.rb
@@ -13,7 +13,7 @@ module RI
     # by %xx)
 
     def RiWriter.internal_to_external(name)
-      name.gsub(/\W/) { "%%%02x" % $&[0].unpack('C') }
+      name.gsub(/\W/) { "%%%02x" % $&[0].ord }
     end
 
     # And the reverse operation