From: Run Paint Run Run <runrun@...>
Date: 2010-08-08T00:17:35+09:00
Subject: [ruby-core:31646] Re: [Bug #3392][Closed] Kernel.open Ignores 	:binmode Key in Opts Hash w.r.t Encoding

> binmode means just that the io doesn't convert end-of-line code.
> It doesn't imply binary encoding.

The example at the beginning of this report shows that a file opened
with mode rb has BINARY encoding, though. Is the 'b' subtly different
from 'binmode: true'?