return($x * __SUB__->( $x - 1 ) );
};
-The behaviour of C<__SUB__> within a regex code block (such as C</(?{...})/>)
+The behavior of C<__SUB__> within a regex code block (such as C</(?{...})/>)
is subject to change.
Subroutines whose names are in all upper case are reserved to the Perl
B<WARNING>: Localization of tied arrays and hashes does not currently
work as described.
This will be fixed in a future release of Perl; in the meantime, avoid
-code that relies on any particular behaviour of localising tied arrays
+code that relies on any particular behavior of localising tied arrays
or hashes (localising individual elements is still okay).
See L<perl58delta/"Localising Tied Arrays and Hashes Is Broken"> for more
details.