* lib/rss/trackback.rb: [DOC] Hide RSS::Trackback from rdoc
  Patch by Steve Klabnik [Bug #8755] [ruby-core:56456]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parse.y: check for attr

* parse.y (rb_id_attrset): check if the argument is valid type as an
  attribute.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e