[r6rs-discuss] peculiar semantics for a predicate

[bear]

On Thu, 25 Oct 2007, William D Clinger wrote:

>According to R6RS library chapter 13, the argument to
>hashtable? *must* be a hashtable, which means the
>hashtable? predicate always returns true.  When given
>a non-hashtable as an argument, it raises an exception
>instead of returning.
>
>I doubt whether this was the intended semantics, but
>those of us who take R6RS conformance seriously will
>implement it faithfully.

That is ... sad.  I would not choose to make a dialect
*less* useful, in an obvious way, in order to conform
to what is clearly an error in the standard.

			Bear