they may not be logins. The code for determining whether it is a pty
entry is broken.
PR: 7137
Reviewed by: phk
Submitted by: Tom Rush <tarush@mindspring.com>
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.