rdoc/rdoc — pull request #314 by hsbt (2014-07-16 14:45:41+00:00)
Title: backport commits from ruby/ruby trunk.

Hi, I cherry-picked following fixes from ruby/ruby trunk.

* r46711
* r46710
* r46709
* r46027
* r44502
* r46143
* r46142

@drbrain Should I support Ruby 1.8 series? If it's yes, I'll added more fixes as same as https://github.com/rubygems/rubygems/commit/a34fb569e41cd87866e644d92a9df4be89b3cad2