Show fill legend entry only for area plot
Version: 2023b
Type: Features
Category: Graphing
Subcategory: Text, Legend and Annotation
Jira: ORG-10287
@LLAB=0, use new above below legend and keep line entry only
@LLAB=1, use new above below legend and keep both entries
@LLAB=2, use fill only legend(old style) for fill under curve=normal or fill to base, for fill to next plot, use new above below legend and keep line entry only
@LLAB=3, use fill only legend(old style) for fill under curve=normal or fill to base, for fill to next plot, use new above below legend and keep both entries