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Fri, 14 Nov 2008 23:22:51 +0100
>> but I find it kinda surprising that these are not available
>> by default in the system.
> They are not documented because they are not... specified. :-)
Yeah, I get that :D
> Actually, Guile defines `*unspecified*' and also provides
> `unspecified?', so all you need to define is `specified?'.
OK, I didn't know that
(I've been looking for it in the documentation -- especially
for the "unspecified?", but I didn't even bother to check if
the function is available)