=head1 NAME
-perldelta - what's new for perl v5.6 (as of v5.005_62)
+perldelta - what's new for perl v5.6 (as of v5.005_64)
=head1 DESCRIPTION
=head2 Perl Source Incompatibilities
-Beware that any new warnings that have been added or enhanced old
-warnings are B<not> considered incompatible changes.
+Beware that any new warnings that have been added or old ones
+that have been enhanced are B<not> considered incompatible changes.
Since all new warnings must be explicitly requested via the C<-w>
switch or the C<warnings> pragma, it is ultimately the programmer's
=item STOP is a new keyword
-In addition to C<BEGIN>, C<INIT> and C<END>, subroutines named
-C<STOP> are now special. They are queued up for execution at the
-end of compilation, and cannot be called directly.
+In addition to C<BEGIN>, C<INIT>, C<END>, C<DESTROY> and C<AUTOLOAD>,
+subroutines named C<STOP> are now special. They are queued up for
+execution at the end of compilation, and cannot be called directly.
=item Treatment of list slices of undef has changed
A source filter is a special kind of Perl module that intercepts and
modifies a source stream before it reaches the parser. A source filter
-changes the our diagram like this:
+changes our diagram like this:
file ----> filter ----> parser
EOM
Such things aside, you can see that a lot can be achieved with a modest
-amount of code. I<[Note that Tuomas' toy VRML parser on p. 17 had the
-same difficulty parsing VRML strings that look like comments. -Jon]>
+amount of code.
=head1 CONCLUSION
the standard input. If you open minus for writing, it really means to
access the standard output.
-If minus can be used as the default input or default output? What happens
+If minus can be used as the default input or default output, what happens
if you open a pipe into or out of minus? What's the default command it
-would run? The same script as you're current running! This is actually
+would run? The same script as you're currently running! This is actually
a stealth C<fork> hidden inside an C<open> call. See L<perlipc/"Safe Pipe
Opens"> for details.