Ya! Go for it. I suggest "z" as the magic global variable: if it ain't
short to type, it ain't helpful; believe "z" is rarely used interactively
(whereas a, b, c, i, j, k, n, x, y are); and "last letter of the alphabet"
is so very suggestive of "last expression" <snort>.
casting-the-second-vote-for-"last"-ly y'rs - tim
Tim Peters firstname.lastname@example.org
not speaking for Kendall Square Research Corp