ruby/ruby — pull request #498 by windwiny (2014-01-07 07:15:26+00:00)
Title: casecmp(b).zero? add to_i avoid call nil.zero?

On win32 platform, file system encoding not UTF-8,

cd to a non-ascii directory and run rdoc xxx, that raise a error.

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ruby 2.0.0p353 (2013-11-22) [i386-mingw32]