#!/usr/local/bin/perl -w
use strict;

sub bla {
    print "Bla!\n";
}

bla;

##</code><code>##

#!/usr/local/bin/perl -w
use strict;

sub bla($) {
    print "Bla!\n";
}

bla;
__END__
syntax error at test.pl line 8, near "bla;"
Execution of test.pl aborted due to compilation errors.