* lib/rss/maker/itunes.rb: fixed new_itunes_category. * lib/rss/maker/taxonomy.rb: new_taxo_topic -> new_topic because of consistency. * test/rss/test_maker_itunes.rb, test/rss/test_itunes.rb: removed needless UTF-8 characters. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14081 b2dd03c8-39d4-4d8f-98ff-823fe69b080e