var/loop/find: rely on SIGTERM == 15 (specified by POSIX)
var/loop/find: rely on SIGTERM == 15 (specified by POSIX)

Most shells add 128 to the signal number to make the exit status,
some shells add 256 (ksh93) or 384 (yash). In all cases, a modulo
128 operation will yield the signal number.

modernish/modernish