* object.c (rb_mod_attr): make Module#attr to be an alias to

attr_reader.  [RCR#331]

* ruby.h: export classes/modules to implement sandbox.
  [ruby-core:08283]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/irb/ruby-token.rb

@@ -29,9 +29,7 @@ module RubyToken
       @line_no = line_no
       @char_no = char_no
     end
-    attr :seek
-    attr :line_no
-    attr :char_no
+    attr :seek, :line_no, :char_no
   end
 
   class TkNode < Token
@@ -58,7 +56,7 @@ module RubyToken
   end
 
   class TkOp < Token
-    attr :name, true
+    attr_accessor :name
   end
 
   class TkOPASGN < TkOp