documentation, remove existing documentation first. * lib/rubygems/server.rb: Fixed documentation links. * test/rubygems/test_gem_server.rb: Test for the above. * lib/rubygems/rdoc.rb: Reduced diff with RDoc::RubyGemsHook * test/rubygems/test_gem_rdoc.rb: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e