vi "TMP file too large" error

[Guy Harris]

>Thank AT&T.  Their vi, or at least some of its incarnations, has a
>filesize limit.  Get the real vi from BSD

Umm, the BSD "vi", or at least some of its incarnations, has a filesize
limit, too; I think the problem is that AT&T didn't bother turning
VMUNIX on when building "vi" in S5, while Berkeley did turn it on when
building "vi" (well, "ex") in BSD.