Re: [Chicken-hackers] R7RS-small draft ratified by Steering Committee

[John Cowan]

ceving scripsit:

> The new standard seems to ban Guile's 1+ operator. It must be quoted in 
> R7RS |1+|.

True.  Then again, it wasn't valid R5RS either, or R4RS or even R3RS;
R2RS was the only Scheme standard to explicitly allow it, almost thirty
years ago.

The theory of R7RS identifiers is that they can't have a prefix which
is a valid number.  In practice, many Schemes simply attempt to parse
an alphanumeric sequence as a number, and if that fails, accept it as
an identifier.

-- 
John Cowan          http://www.ccil.org/~cowan        address@hidden
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