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.
Obtained from: A Quarter Century of UNIX, Peter H. Salus, page 41
- eval -> err_val : slightly more meaningful (eval is what you do in Linda ;-)) Submitted by: Geoff.
