Steve writes :
> However, changing es's default behaviour isn't a good idea, because it's
> regular (and correct) as it is. So how about some more re-writing, to
> produce another hook function:
>
> echo $x^$y
> =>
> echo <={%concat $x $y}
mainly because rc doesn't support hierarchical lists.
from within %concat, it would be impossible to separate
$x and $y into two lists again.
rog.