Nothing
".onAttach"=function(libname, pkgname) {
packageStartupMessage("unknownR",as.character(packageVersion("unknownR")),"\n")
packageStartupMessage(" Run unk() first, then learn()\n")
packageStartupMessage(" Others have found it helpful to first read the short presentation\n")
packageStartupMessage(" on the homepage: http://unknownr.r-forge.r-project.org/\n")
packageStartupMessage(" Please read ?unk and ?learn, too.\n")
}
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