Example shows a file data source that includes general-style data with point labels and series labels.

GENERAL 3 5
LABELS 'Mercury' 'Venus' 'Earth' 'Mars' 'Jupiter'
'Series 1' 3
1 3 5
5 14 24
'Series 2' 5
1 2 3 4 5
11 15 18 21 22
'Series 3' 2
2 4
16 15.2