Ceci n'est pas une value (was Re: [R6RS] "void" or "unspecific")

[William D Clinger]

By the way, here is some background information on precedent
for issue 33:

MzScheme, Chez Scheme, and Gambit use some variation of "void".

Bigloo, SCM, Guile, Chicken, and Larceny use some variation of
"unspecified".

Scheme48 uses #{Unspecific}.

Will