['a4', '-w', 'x', " 1\n", 0],
['a5', '-w', "x y\n", " 2\n", 0],
['a6', '-w', "x y\nz", " 3\n", 0],
-# Remember, -l counts *newline* bytes, not lines.
+# Remember, -l counts *newline* bytes, not logical lines.
['a7', '-l', "x y", " 0\n", 0],
['a8', '-l', "x y\n", " 1\n", 0],
['a9', '-l', "x\ny\n", " 2\n", 0],
['b0', '', "", " 0 0 0\n", 0],
['b1', '', "a b\nc\n", " 2 3 6\n", 0],
+['c0', '-L', "1\n12\n", " 2\n", 0],
+['c1', '-L', "\n123456", " 6\n", 0],
);
sub test_vector