[R] Supperscript, subscript and double lines in the main/subtitle and using greekletters

[mlell08]

The title() function also has parameter 'line' where you can specify the
margin line in which the text should be displayed.
How many lines of margin should be around the figure region of the plot
can be specified before plotting by par(mar=c(bottom,left,top,right)),
in text lines. margin lines are also used by par(mgp=...) or mtext()

Regards!