4.2 -> 5.2 passwd format change?

Wed Aug 4 14:28:14 PDT 2004

[Peter N. M. Hansteen, 2004-08-04]
>  I'm in the process of moving users from a 4.2 machine to an updated
>  setup using 5.2.1. There appears to have been some changes in the
>  password format (as in the users are not able to log in to the test
>  system), and the main reference I find is this entry in
>  /usr/src/UPDATING:

I'm not sure what the change involves (I think they're both version 7),
but the current format is described in passwd(5).