* 2014-08-28

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c: preserve encodings

* io.c (rb_io_extract_encoding_option): preserve encodings in
  warning messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47305 b2dd03c8-39d4-4d8f-98ff-823fe69b080e