[pups] Mert (was PWB licensing)

[John Holden]

Warren wrote :- 

>I think the phrase `successor systems' covers PWB, as PWB is derived
>from 6th Edition. Yes, I suppose we could ask for Mini-UNIX, PWB,
>Mert, RT and TS also to be added to the list.

I'd really like to get my hands on MERT, but past correspondence from DMR
suggests that it was probably never released outside the labs.  So, are there
any tapes lying about?