# NOT RUN {
par("mar") #current values of mar
par(mar = c(0, 0, 0, 0)) # change values of mar
par("mar") # changed values of mar
reset.par() # reset to defaults (not necessarilly current values)
par("mar") # should be c(5.1, 4.1, 4.1, 2.1)
# }
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