$OpenBSD: zerolength.in,v 1.3 2017/07/04 14:53:27 schwarze Exp $
STRING-ZEROLENGTH 1 "December 19, 2010"
NAME
string-zerolength - handling of zero-length user-defined strings
DESCRIPTION
..
use zero-length string:
x\*[dszero]x
x
use zero-length macro: x\*[dezero]x x