Richard Jones wrote:
> $int:...$ expects a string instead of an int.  I can live with this,
> but it seems a bit strange, and unless I'm mistaken is different from
> what camlp4 <= 3.09 did.

The old camlp4 did this as well.  The new one has an extra feature, 
though: there's an antiquotation

    $`int:...$

which expects an int.

> Secondly, I get the error 'Failure: "Integer literal exceeds the range
> of representable integers of type int"' if I try to pass a string
> containing any int32 or int64 literal, eg. $int:"0x3ffL"$, even ones
> which obviously do not exceed the range of representable integers.

For int32 and int64 there are antiquotations $int32:...$, $`int3:...$, etc.

Jeremy.