perlfunc.pod grammar fixes

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

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 29cc9ea..52ed78b 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -528,9 +528,9 @@ C<$-[>I<n>C<]> is the offset of the start of the substring matched by
 I<n>-th subpattern, or undef if the subpattern did not match.
 
 Thus after a match against $_, $& coincides with C<substr $_, $-[0],
-$+[0] - $-[0]>.  Similarly, C<$>I<n> coincides with C<substr $_, $-[>I<n>C<],
-$+[>I<n>C<] - $-[>I<n>C<]> if C<$-[>I<n>C<]> is defined, and $+ coincides with
-C<substr $_, $-[$#-], $+[$#-]>.  One can use C<$#-> to find the last
+$+[0] - $-[0]>.  Similarly, $I<n> coincides with C<substr $_, $-[n],
+$+[n] - $-[n]> if C<$-[n]> is defined, and $+ coincides with
+C<substr $_, $-[$#-], $+[$#-] - $-[$#-]>.  One can use C<$#-> to find the last
 matched subgroup in the last successful match.  Contrast with
 C<$#+>, the number of subgroups in the regular expression.  Compare
 with C<@+>.
@@ -617,7 +617,7 @@ L<perlfunc/formline()>.
 The status returned by the last pipe close, backtick (C<``>) command,
 successful call to wait() or waitpid(), or from the system()
 operator.  This is just the 16-bit status word returned by the
-wait() system call (or else is made up to look like it).  Thus, the
+traditional Unix wait() system call (or else is made up to look like it).  Thus, the
 exit value of the subprocess is really (C<<< $? >> 8 >>>), and
 C<$? & 127> gives which signal, if any, the process died from, and
 C<$? & 128> reports whether there was a core dump.  (Mnemonic:
@@ -643,6 +643,17 @@ status; see L<perlvms/$?> for details.
 
 Also see L<Error Indicators>.
 
+=item ${^CHILD_ERROR_NATIVE}
+
+The native status returned by the last pipe close, backtick (C<``>)
+command, successful call to wait() or waitpid(), or from the system()
+operator.  On POSIX-like systems this value can be decoded with the
+WIFEXITED, WEXITSTATUS, WIFSIGNALED, WTERMSIG, WIFSTOPPED, WSTOPSIG
+and WIFCONTINUED functions provided by the L<POSIX> module.
+
+Under VMS this reflects the actual VMS exit status; i.e. it is the same
+as $? when the pragma C<use vmsish 'status'> is in effect.
+
 =item ${^ENCODING}
 
 The I<object reference> to the Encode object that is used to convert
@@ -1152,6 +1163,13 @@ documentation for the C<-C> switch for more information about
 the possible values. This variable is set during Perl startup
 and is thereafter read-only.
 
+=item ${^UTF8LOCALE}
+
+This variable indicates whether an UTF-8 locale was detected by perl at
+startup. This information is used by perl when it's in
+adjust-utf8ness-to-locale mode (as when run with the C<-CL> command-line
+switch); see L<perlrun> for more info on this.
+
 =item $PERL_VERSION
 
 =item $^V
@@ -1221,7 +1239,7 @@ executable files do not require use of the suffix when invoking
 a command.  To convert the value of $^X to a path name, use the
 following statements:
 
-# Build up a set of file names (not command names).
+  # Build up a set of file names (not command names).
   use Config;
   $this_perl = $^X;
   if ($^O ne 'VMS')