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  \code{\dots}), an unnamed second argument of length 1 will be
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  \code{\dots}), an unnamed second argument of length 1 will be
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  interpreted as the degree, such that \code{poly(x, 3)} can be used in
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  interpreted as the degree, such that \code{poly(x, 3)} can be used in
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  formulas.
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  formulas.
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  The orthogonal polynomial is summarized by the coefficients, which can
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  The orthogonal polynomial is summarized by the coefficients, which can
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  be used to evaluate it via the three-term recursion given in Kennedy
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  be used to evaluate it via the three-term recursion given in
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  & Gentle (1980, pp.\sspace{}343--4), and used in the \code{predict} part of
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  \bibcitet{|R:Kennedy+Gentle:1980|pp.\sspace{}343--4},
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  the code.
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  and used in the \code{predict} part of the code.
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  \code{poly} using \code{\dots} is just a convenience wrapper for
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  \code{poly} using \code{\dots} is just a convenience wrapper for
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  \code{polym}: \code{coef} is ignored.  Conversely, if \code{polym} is
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  \code{polym}: \code{coef} is ignored.  Conversely, if \code{polym} is
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  called with a single argument in \code{\dots} it is a wrapper for
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  called with a single argument in \code{\dots} it is a wrapper for
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  \code{poly}.
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  \code{poly}.