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diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index f5b098b..e9c1e9f 100644
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -302,6 +302,8 @@ matched. For example:
 (Mnemonic: be positive and forward looking.)
 This variable is read-only and dynamically scoped to the current BLOCK.
 
+=item $LAST_SUBMATCH_RESULT
+
 =item $^N
 X<$^N>
 
@@ -352,7 +354,7 @@ The keys of the C<%+> hash list only the names of buffers that have
 captured (and that are thus associated to defined values).
 
 The underlying behaviour of C<%+> is provided by the
-L<re::Tie::Hash::NamedCapture> module.
+L<Tie::Hash::NamedCapture> module.
 
 B<Note:> C<%-> and C<%+> are tied views into a common internal hash
 associated with the last successful regular expression. Therefore mixing
@@ -649,7 +651,7 @@ The keys of the C<%-> hash correspond to all buffer names found in
 the regular expression.
 
 The behaviour of C<%-> is implemented via the
-L<re::Tie::Hash::NamedCapture> module.
+L<Tie::Hash::NamedCapture> module.
 
 B<Note:> C<%-> and C<%+> are tied views into a common internal hash
 associated with the last successful regular expression. Therefore mixing
@@ -764,8 +766,7 @@ X<$^ENCODING>
 The I<object reference> to the Encode object that is used to convert
 the source code to Unicode.  Thanks to this variable your perl script
 does not have to be written in UTF-8.  Default is I<undef>.  The direct
-manipulation of this variable is highly discouraged.  See L<encoding>
-for more details.
+manipulation of this variable is highly discouraged.
 
 =item $OS_ERROR
 
@@ -802,6 +803,10 @@ went bang?)
 
 Also see L<Error Indicators>.
 
+=item %OS_ERROR
+
+=item %ERRNO
+
 =item %!
 X<%!>
 
@@ -926,7 +931,9 @@ the same as the first number.
 
 However, a value assigned to C<$(> must be a single number used to
 set the real gid.  So the value given by C<$(> should I<not> be assigned
-back to C<$(> without being forced numeric, such as by adding zero.
+back to C<$(> without being forced numeric, such as by adding zero. Note
+that this is different to the effective gid (C<$)>) which does take a
+list.
 
 You can change both the real gid and the effective gid at the same
 time by using POSIX::setgid().  Changes to $( require a check to $!
@@ -1047,7 +1054,7 @@ X<$^C> X<$COMPILING>
 The current value of the flag associated with the B<-c> switch.
 Mainly of use with B<-MO=...> to allow code to alter its behavior
 when being compiled, such as for example to AUTOLOAD at compile
-time rather than normal, deferred loading.  See L<perlcc>.  Setting
+time rather than normal, deferred loading.  Setting
 C<$^C = 1> is similar to calling C<B::minus_c>.
 
 =item $DEBUGGING