Issue #3595 has been updated by Yui NARUSE.

Status changed from Open to Rejected

For octet stream, use ASCII-8BIT; it means ASCII compatible octet string.
If it is not ASCII compatible, we can't write simply like "\x00\x00".force_encoding("ASCII-8BIT") == "\x00".
So it is intentional that the name 'ASCII-8BIT' contains the term 'ASCII'.
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http://redmine.ruby-lang.org/issues/show/3595

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