[r6rs-discuss] Morphology of symbols: are you sure?
cowan at ccil.org
Thu Mar 27 15:23:34 EDT 2008
Henrik Theiling scripsit:
> My name is Henrik and I just subscribed to this list.
[Good to hear from you. Long time no conlang!]
> I just started to read the R6RS specification and noticed that in the
> syntax rules, <initial> allows, among many other stuff, all Unicode
> code points with character class So. This would include:
> U+FFFC OBJECT REPLACEMENT CHARACTER
> U+FFFD REPLACEMENT CHARACTER
> I did not find any word excluding these two and it feels dangerous or
> at least awkward to allow them in symbols. U+FFFD is often produced
> by de-/recoders to indicate an error.
Indeed. Well, it's a matter of expecting Scheme programmers not to
abuse the system. by putting stupid characters in identifiers.
Copying Unicode's specifications makes for simplicity.
John Cowan cowan at ccil.org http://ccil.org/~cowan
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