private methods.  [ruby-dev:27044]

* test/rss/test_dublincore.rb, test/rss/test_trackback.rb,
  test/ruby/test_eval.rb, test/socket/test_socket.rb: ditto.

* test/ruby/test_lambda (test_call_with_block): lambda makes new scope
  for formal block parameter.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9138 b2dd03c8-39d4-4d8f-98ff-823fe69b080e