stringio.c: encoding at EOF
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
stringio.c: encoding at EOF
the external encoding, at EOF too.
[ruby-core:82349] [Bug #13806]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e