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A general description is here.
It is intended that this version will be released as R 3.0.0.
Use of ‘col2rgb(0)’ is deprecated (see the help page for its
‘R CMD check’ now checks for ‘.C()’, ‘.Call()’, ‘.External()’ and ‘.Fortran()’ calls in other packages, and gives a warning on those found from R itself (which are not part of the API and change without notice: many will changed for R 3.0.0).
Entry point ‘rcont2’ is no longer part of the API, and will move to package ‘stats’ in R 3.0.0.