Integrate with perlio. (No changes, but that's okay.)

[p5sagit/p5-mst-13.2.git] / pod / perlvar.pod

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 2f39d56..0dcb2ac 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -209,7 +209,7 @@ BLOCK).  (Mnemonic: like & in some editors.)  This variable is read-only
 and dynamically scoped to the current BLOCK.
 
 The use of this variable anywhere in a program imposes a considerable
-performance penalty on all regular expression matches.  See L<BUGS>.
+performance penalty on all regular expression matches.  See L</BUGS>.
 
 =item $PREMATCH
 
@@ -221,7 +221,7 @@ enclosed by the current BLOCK).  (Mnemonic: C<`> often precedes a quoted
 string.)  This variable is read-only.
 
 The use of this variable anywhere in a program imposes a considerable
-performance penalty on all regular expression matches.  See L<BUGS>.
+performance penalty on all regular expression matches.  See L</BUGS>.
 
 =item $POSTMATCH
 
@@ -239,7 +239,7 @@ string.)  Example:
 This variable is read-only and dynamically scoped to the current BLOCK.
 
 The use of this variable anywhere in a program imposes a considerable
-performance penalty on all regular expression matches.  See L<BUGS>.
+performance penalty on all regular expression matches.  See L</BUGS>.
 
 =item $LAST_PAREN_MATCH
 
@@ -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