When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
RDoc 4.1.0 contains a number of enhancements including a new default
style and accessibility support. You can see the changelog here:
https://github.com/rdoc/rdoc/blob/v4.1.0.preview.1/History.rdoc
* test/rdoc: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42971 b2dd03c8-39d4-4d8f-98ff-823fe69b080e