[Bug #2552] HOME $BJQ?t$r6u$K$7$F5/F0$9$k$H!":FEY6u$K$G$-$J$/$J$k(B

e$B%A%1%C%He(B #2552 e$B$,99?7$5$l$^$7$?!#e(B (by Usaku NAKAMURA)

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http://redmine.ruby-lang.org/issues/show/2552