setup.lattice.options = function () {
require( lattice )
trellis.par.set(col.whitebg())
# bkg = trellis.par.get("background)
# bkg$col="white"
# trellis.par.set("background", bkg)
s.bkg = trellis.par.get("strip.background")
s.bkg$col="white"
trellis.par.set("strip.background", s.bkg)
}
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