Fix for Bug #1718 [ruby-core:24121]. Add a :startdoc into lib/yaml/tag.rb
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@26819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fix for Bug #1718 [ruby-core:24121]. Add a :startdoc into lib/yaml/tag.rb
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@26819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e