QGIS/tests/testdata/provider/delimited_xyzm.csv

1	pk	cnt	name	name2	num_char	X	Y	Z	M
2	5	-200		NuLl	5	-71.123	78.23	1	2
3	3	300	Pear	PEaR	3			3	4
4	1	100	Orange	oranGe	1	-70.332	66.33	3	4
5	2	200	Apple	Apple	2	-68.2	70.8	3	4
6	4	400	Honey	Honey	4	-65.32	78.3	3	4