Relink to use temp file forced on current dir in mpeix

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

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index b63973e..68c8303 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -374,7 +374,8 @@ will read a record of no more than 32768 bytes from FILE.  If you're
 not reading from a record-oriented file (or your OS doesn't have
 record-oriented files), then you'll likely get a full chunk of data
 with every read.  If a record is larger than the record size you've
-set, you'll get the record back in pieces.
+set, you'll get the record back in pieces.  Trying to set the record
+size to zero or less will cause reading in the (rest of the) whole file.
 
 On VMS, record reads are done with the equivalent of C<sysread>,
 so it's best not to mix record and non-record reads on the same
@@ -994,11 +995,8 @@ version of the same lexical pragma:
 
 =item %^H
 
-WARNING: This variable is strictly for internal use only.  Its availability,
-behavior, and contents are subject to change without notice.
-
 The %^H hash provides the same scoping semantic as $^H.  This makes it
-useful for implementation of lexically scoped pragmas.
+useful for implementation of lexically scoped pragmas. See L<perlpragma>.
 
 =item $INPLACE_EDIT
 
@@ -1145,6 +1143,12 @@ 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 ${^UTF8CACHE}
+
+This variable controls the state of the internal UTF-8 offset caching code.
+1 for on (the default), 0 for off, -1 to debug the caching code by checking
+all its results against linear scans, and panicking on any discrepancy.
+
 =item ${^UTF8LOCALE}
 
 This variable indicates whether an UTF-8 locale was detected by perl at
@@ -1162,11 +1166,14 @@ it equals C<chr(5) . chr(6) . chr(0)> and will return true for
 C<$^V eq v5.6.0>.  Note that the characters in this string value can
 potentially be in Unicode range.
 
+This variable first appeared in perl 5.6.0; earlier versions of perl will
+see an undefined value.
+
 This can be used to determine whether the Perl interpreter executing a
 script is in the right range of versions.  (Mnemonic: use ^V for Version
 Control.)  Example:
 
-    warn "No \"our\" declarations!\n" if $^V and $^V lt v5.6.0;
+    warn "Hashes not randomized!\n" if !$^V or $^V lt v5.8.1
 
 To convert C<$^V> into its string representation use sprintf()'s
 C<"%vd"> conversion:
@@ -1191,6 +1198,19 @@ related to the B<-w> switch.)  See also L<warnings>.
 The current set of warning checks enabled by the C<use warnings> pragma.
 See the documentation of C<warnings> for more details.
 
+=item ${^WIN32_SLOPPY_STAT}
+
+If this variable is set to a true value, then stat() on Windows will
+not try to open the file. This means that the link count cannot be
+determined and file attributes may be out of date if additional
+hardlinks to the file exist. On the other hand, not opening the file
+is considerably faster, especially for files on network drives.
+
+This variable could be set in the F<sitecustomize.pl> file to
+configure the local Perl installation to use "sloppy" stat() by
+default.  See L<perlrun> for more information about site
+customization.
+
 =item $EXECUTABLE_NAME
 
 =item $^X