[cups] cups Digest, Vol 38, Issue 2

[Alan Corey]

>
> FWIW, the default used to be "no", but is now "1d" (1 day) because many

That's perfectly reasonable and I set mine to 86400 but there was no
PreserveJobFiles line and it defaulted to yes.  Cups 1.7.5 from the
Raspbian debs