XR-ARGS(1)                 OpenBSD Reference Manual                 XR-ARGS(1)

NNAAMMEE
     XXrr--aarrggss - additional arguments to cross references

DDEESSCCRRIIPPTTIIOONN
     One single echo(1) is fine.

     But listen for multiple echo(1)s.

     Listen for those echo(1)s really hard.

     A call, an echo(1), and another echo(1).

     Finally, no echo at all.