Jason,
Thank you for your solution and follow-up
clarification.

I was hoping for something general (along the lines of
the F function idea, but it seems it isn't obvious).
Therefore I think the preferred way, as both you and
AMK suggest, is to use _q_exports!

Regards,
Dan

--- "Jason E. Sibre"  wrote:
[...]
>
> I think this will give you what you describe,
> because at the end of each
> request, the instances .args attribute will get
> reset.  I still maintain
> that it's probably not too difficult to break :)
> Does this address your
> concern, or am I overlooking something else?
>
> Jason