{
    package Yme;
    code;
}

##</code><code>##

package Ynot;
{
   code;
}

##</code><code>##

sub lup { "LOOP" }
sub say { print @_, $/; sleep 1; }

LOOP:
    say 0;

#sub mysub {    # uncomment
  INNER:
 {
   say 1;
   goto +lup();
   say 2;
  }
  LOOP: {
    say 3;
    goto LOOP;

  LOOP:
    say 2;
  }
#}          ### uncomment

#mysub();    ### uncomment