[R6RS] Collated opinions on list of issues

[R. Kent Dybvig]

> 2- It seems that Kent and I are the only ones in favor of hash-tables.
> Everyone else seems to be neutral. Contrarily to Kent, I don't think
> that hash-tables can be addressed in a library because I think that
> they raise the problem of weak pointers. Do we want such things in the
> language (as well as finalization)? We should decide this.

I was assuming a notion of library that doesn't require libraries to be
implementable in the core.

Kent