From jmc at r-project.org  Sat Jan  5 21:29:55 2008
From: jmc at r-project.org (John Chambers)
Date: Sat, 05 Jan 2008 12:29:55 -0800
Subject: [Rd] is(x, "parent") returns FALSE when class(x) is c("child",
 "parent") (PR#10549)
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[Rd] is(x, "parent") returns FALSE when class(x) is c("child", "parent") (PR#10549)
John Chambers