Dan,

Another tweak !

If you want the 'legend' to look pretty you can resize it by adding,say,

'cex=0.6' into the legend code; try---

legend("topleft", #inset=-1,
   legend = do.call("expression", L),
   bg='white',
   ncol = 2,
   pch=c('','','',':',':',':'),
   x.intersp = 0.4,
   title="Yay! Thank You!",
 cex=0.6
   )


John

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