pvm_serror(3) on Linux

The text f9b76ced35e2, as Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it. The page shows this text now.

Sets automatic error message printing on or off. [In Version 3.2: Replaced by pvm_setopt]