>> 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) Thanks M.
