David Brownlee writes:
> 	Should you have the ':0:0:' in the included line, or should it
> 	be ':::'?

It shows up as I described (with 0's) in /etc/passwd. In
/etc/master.passwd it looks like:

    +@engineering:::::::::

This is also the way it was entered from within vipw. The 0's were added
by vipw (or more likely, by pwd_mkdb).