Issue #7169 has been reported by naruse (Yui NARUSE).

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Backport #7169: r37169
https://bugs.ruby-lang.org/issues/7169

Author: naruse (Yui NARUSE)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 


以???????????????????????????

commit 78e3185a20d9307c98fecca6d3bacfb8f2c271b8
Author: naruse <naruse / b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date:   Sat Oct 13 01:03:41 2012

    use tty(1) to check if /dev/tty is usable or not

http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?revision=37169&view=revision


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