X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperlvar.pod;h=ed9061011ac8b82582abf69848b754dff30493ef;hb=000c65fce914409ad42f49763dbced48187b5baf;hp=68573e3d498177d17ea7c4236bf8c77253704f81;hpb=4c85b59c156c7ad7ba08eb430618e674134ced22;p=p5sagit%2Fp5-mst-13.2.git
diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 68573e3..ed90610 100644
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -214,11 +214,11 @@ able to use them in the sort() comparison block or function.
=over 8
-=item $>
+=item $> ($1, $2, ...)
X<$1> X<$2> X<$3>
Contains the subpattern from the corresponding set of capturing
-parentheses from the last pattern match, not counting patterns
+parentheses from the last successful pattern match, not counting patterns
matched in nested blocks that have been exited already. (Mnemonic:
like \digits.) These variables are all read-only and dynamically
scoped to the current BLOCK.
@@ -241,7 +241,7 @@ See L@-> for a replacement.
=item ${^MATCH}
X<${^MATCH}>
-This is similar to C<$&> (C<$POSTMATCH>) except that it does not incur the
+This is similar to C<$&> (C<$MATCH>) except that it does not incur the
performance penalty associated with that variable, and is only guaranteed
to return a defined value when the pattern was compiled or executed with
the C
modifier.
@@ -349,6 +349,8 @@ past where $2 ends, and so on. You can use C<$#+> to determine
how many subgroups were in the last successful match. See the
examples given for the C<@-> variable.
+=item %LAST_PAREN_MATCH
+
=item %+
X<%+>
@@ -1021,6 +1023,16 @@ to ps(1) (assuming the operating system plays along). Note that
the view of C<$0> the other threads have will not change since they
have their own copies of it.
+If the program has been given to perl via the switches C<-e> or C<-E>,
+C<$0> will contain the string C<"-e">.
+
+On Linux as of perl 5.14 the legacy process name will be set with
+L, in addition to altering the POSIX name via C as
+perl has done since version 4.000. Now system utilities that read the
+legacy process name such as ps, top and killall will recognize the
+name you set when assigning to C<$0>. The string you supply will be
+cut off at 16 bytes, this is a limitation imposed by Linux.
+
=item $[
X<$[>
@@ -1032,8 +1044,8 @@ subscripting and when evaluating the index() and substr() functions.
As of release 5 of Perl, assignment to C<$[> is treated as a compiler
directive, and cannot influence the behavior of any other file.
-(That's why you can only assign compile-time constants to it.)
-Its use is highly discouraged.
+(That's why you can only assign compile-time constants to it.) Its
+use is deprecated, and by default will trigger a warning.
Note that, unlike other compile-time directives (such as L),
assignment to C<$[> can be seen from outer lexical scopes in the same file.
@@ -1316,7 +1328,7 @@ 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
+This variable indicates whether a 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 for more info on this.
@@ -1363,6 +1375,7 @@ The current set of warning checks enabled by the C