Ballot ticket #457 proposes that `string->number`, `read`, and Scheme
numeric literals must support the entire subset of Unicode decimal digits
that the Scheme implementation supports.  This would make `digit-value`
unnecessary.

--
John Cowan        http://ccil.org/~cowan   cowan@ccil.org
Lope de Vega: "It wonders me I can speak at all.  Some caitiff rogue
did rudely yerk me on the knob, wherefrom my wits yet wander."
An Englishman: "Ay, belike a filchman to the nab'll leave you
crank for a spell." --Harry Turtledove, Ruled Britannia

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