* hash.c (rb_env_size):  Restored documentation for ENV.size

* lib/drb/drb.rb:  Documented DRb::DRb#run.

* lib/erb.rb (class ERB):  Improved documentation of ERb.

* transcode.c:  Documented Encoding::Converter constants.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38948 b2dd03c8-39d4-4d8f-98ff-823fe69b080e