> > -    $self->_whoa(!$self->{Have_Plan} and $self->{Curr_Test},
> > +    $self->_whoa(!$self->{Have_Plan} && $self->{Curr_Test},
> >           'Somehow your tests ran without a plan!');
> >     
> 
> 
>  Really?  My research indicates that the comma is lower than either
>  form of and, in both scalar and array contexts:
> 
>  $ perl -le 'print ( @x=(!0 and 2,3))'
>  23
> 
>  $ perl -le 'print ( @x=(!0 && 2,3))'
>  23
> 
>  $ perl -le 'print ( $x=(!0 && 2,3))'
>  3
> 
>  $ perl -le 'print ( $x=(!0 and 2,3))'
>  3
>    
You two first examples shows that it's higher. Also, when in doubt, I
ask Deparse, and it told me :

$ perl -MO=Deparse,-p -e '!$x and $y, "foo"'
((not $x) and ($y, '???'));