LABEL foreach VAR (LIST) BLOCK
LABEL foreach VAR (LIST) BLOCK continue BLOCK
LABEL BLOCK continue BLOCK
+ PHASE BLOCK
Note that, unlike C and Pascal, these are defined in terms of BLOCKs,
not statements. This means that the curly brackets are I<required>--no
increment a loop variable, even when the loop has been continued via
the C<next> statement.
+When a block is preceding by a compilation phase keyword such as C<BEGIN>,
+C<END>, C<INIT>, C<CHECK>, or C<UNITCHECK>, then the block will run only
+during the corresponding phase of execution. See L<perlmod> for more details.
+
Extension modules can also hook into the Perl parser to define new
kinds of compound statement. These are introduced by a keyword which
the extension recognizes, and the syntax following the keyword is