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% $Id: S4R.Rd,v 0.1 2008/07/22 20:56:01 psk Exp $
\name{S4R}
\alias{ErrorClass}
\alias{usingR}
\title{R compatibility with S version 4/Splus5+ support functions}
\description{
These objects ease the task of porting functions into R
from S Version 4 and S-Plus 5.0 and later. See the documentation
there. May be obsolete in the future.
}
\usage{
usingR(major, minor)
}
\examples{\dontrun{
rc <- try(fetch(res, n = -1))
if(inherit(rc, ErrorClass))
stop("could not fetch the data")
}
}
\keyword{internal}
% vim:syntax=tex
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