From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Tue, 20 Nov 2001 13:42:22 +0000 (+0000)
Subject: Document ${^OPEN}.
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e2e27056b92346ab5a9ce38dc5b93535c5d1bc10;p=p5sagit%2Fp5-mst-13.2.git

Document ${^OPEN}.

p4raw-id: //depot/perl@13127
---

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 2f39d56..a48d943 100644
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -965,6 +965,12 @@ built, as determined during the configuration process.  The value
 is identical to C<$Config{'osname'}>.  See also L<Config> and the 
 B<-V> command-line switch documented in L<perlrun>.
 
+=item ${^OPEN}
+
+An internal variable used by PerlIO.  A string in two parts, separated
+by a C<\0> byte, the first part is the input disciplines, the second
+part is the output disciplines.
+
 =item $PERLDB
 
 =item $^P