show.pch.Rdshow.pch plots the definitions of the pch parameters.
show.col plots definitions of integer-valued colors.
character.table draws numeric equivalents of all latin
characters; the character on line xy and column z of the
table has numeric code "xyz", which you would surround in quotes
and preceed by a backslash.
show.pch(object = par("font"))
show.col(object=NULL)
character.table(font=1)if (FALSE) { # \dontrun{
show.pch()
show.col()
character.table()
} # }