"add.smooth"
"check.bounds"
"continue"
"defaultPackages"
"deparse.max.lines"
"digits"
"digits.secs"
"download.file.method"
"echo"
"encoding"
"error"
"expressions25...500000"
"keep.source"
"keep.source.pkgs"
"mailer"
"max.contour.segments"
"max.print"
"OutDec"
"pager"
"papersize"
"printcmd"
"prompt"
"rl_word_breaks"
"save.defaults"
"save.image.defaults"
"scipen"
"showErrorCalls"
"showWarnCalls"
"showNCalls"
"show.error.messages"
"stringsAsFactors"
"texi2dvi"
"timeout"
"topLevelEnvironment"
"useFancyQuotes"
"verbose"
"warn"
"warnPartialMatchArgs"
"warnPartialMatchAttr"
"warnPartialMatchDollar"
"warning.expression"
"warnings.length"
"width"
-
"device"
"locatorBell"
"par.ask.default"
"X11colortype"
"X11fonts"
"gamma"
-
"contrasts"
"na.action"
"show.coef.Pvalues"
"show.signif.stars"
"ts.eps"
"ts.S.compat"
-
"browser"
"de.cellwidth"
"editor"
"example.ask"
"help.try.all.packages"
"HTTPUserAgent"
"internet.info"
"menu.graphics"
"pkgType"
"repos"
"SweaveHooks"
"SweaveSyntax"
"unzip"
"-
"dvipscmd"
"latexcmd"
"pdfviewer"