Add test for grep() and wantarray

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

diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index 04e9a45..ab5cde3 100644 (file)
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -54,8 +54,8 @@ the F<INSTALL> file for how to use it.
 
 =item $^E
 
-Extended error message under some platforms ($EXTENDED_OS_ERROR
-if you C<use English>).
+Extended error message on some platforms.  (Also known as
+$EXTENDED_OS_ERROR if you C<use English>).
 
 =item $^H
 
@@ -94,6 +94,12 @@ This now works.  (e.g. C<delete @ENV{'PATH', 'MANPATH'}>)
 is now supported on more platforms, and prefers fcntl
 to lockf when emulating.
 
+=item printf and sprintf
+
+now support "%i" as a synonym for "%d", and the "h" modifier.
+So "%hi" means "short integer in decimal", and "%ho" means
+"unsigned short integer as octal".
+
 =item keys as an lvalue
 
 As an lvalue, C<keys> allows you to increase the number of hash buckets
@@ -262,34 +268,6 @@ C<VERSION> form of C<use>.
     # implies:
     A->VERSION(1.2);
 
-=item class()
-
-C<class> returns the class name of its object.
-
-=item is_instance()
-
-C<is_instance> returns true if its object is an instance of some
-class, false if its object is the class (package) itself. Example
-
-    A->is_instance();       # False
-
-    $var = 'A';
-    $var->is_instance();    # False
-
-    $ref = bless [], 'A';
-    $ref->is_instance();    # True
-
-This can be useful for methods that wish to easily distinguish
-whether they were invoked as class or as instance methods.
-
-    sub some_meth {
-       my $classname = shift;
-       if ($classname->is_instance()) {
-           die "unexpectedly called as instance not class method";
-       } 
-       .....
-    } 
-
 =back
 
 B<NOTE:> C<can> directly uses Perl's internal code for method lookup, and
@@ -364,7 +342,7 @@ a fixed value are now inlined (e.g. C<sub PI () { 3.14159 }>).
 
 =head1 Pragmata
 
-Three new pragmatic modules exist:
+Four new pragmatic modules exist:
 
 =over
 
@@ -401,10 +379,29 @@ See L<perllocale> for more information.
 
 Disable unsafe opcodes, or any named opcodes, when compiling Perl code.
 
+=item use vmsish
+
+Enable VMS-specific language features.  Currently, there are three
+VMS-specific feature available: 'status', which makes C<$?> and
+C<system> return genuine VMS status values instead of emulating POSIX;
+'exit', which makes C<exit> take a genuine VMS status value instead of
+assuming that C<exit 1> is an error; and 'time', which makes all times
+relative to the local time zone, in the VMS tradition.
+
 =back
 
 =head1 Modules
 
+=head2 Installation Directories
+
+The I<installperl> script now places the Perl source files for
+extensions in the architecture-specific library directory, which is
+where the shared libraries for extensions have always been.  This
+change is intended to allow administrators to keep the Perl 5.004
+library directory unchanged from a previous version, without running
+the risk of binary incompatibility between extensions' Perl source and
+shared libraries.
+
 =head2 Fcntl
 
 New constants in the existing Fcntl modules are now supported,
@@ -451,7 +448,6 @@ alphabetically:
     ExtUtils/Embed.pm    Utilities for embedding Perl in C programs
     ExtUtils/testlib.pm  Fixes up @INC to use just-built extension
 
-    Fatal.pm             Make do-or-die equivalents of functions
     FindBin.pm           Find path of currently executing program
 
     Class/Template.pm    Structure/member template builder