['x', '4294966896', {OUT => '2 2 2 2 3 3 3 11 607 1489'}],
['y', '4294966998', {OUT => '2 3 7 3917 26107'}],
['z', '-1',
- {ERR_SUBST => q!s/'1'/1/!}, # map newer glibc diagnostic to expected.
+ # Map newer glibc diagnostic to expected.
+ # Also map OpenBSD 5.1's "unknown option" to expected "invalid option".
+ {ERR_SUBST => q!s/'1'/1/;s/unknown/invalid/!},
{ERR => "$prog: invalid option -- 1\n"
. "Try '$prog --help' for more information.\n"},
{EXIT => 1}],