Multiple input files to the service (separated from RE: idpv3 first look)

[Rod Widdowson]

> My presumption is that this has to be what V2 is doing with multiple files
> now, but that's the assumption to check.

I'll check and get back. 

> We can discuss. I don't think multiple files is/was common, though I know
> some are doing it. It probably wouldn't be impossible to make a change to
> how that has to be done, but my preference is to avoid that if we can.

If V2 supports multiple files we have to be compatible unless there is a
really good reason not to be.  This isn't it.

/R