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Packages must have been installed under R 2.10.0 or later, as the current help system is the only one now supported.
stripchart() allows par 'bg' to be passed in for the background colour for pch = 21 (wish of PR#13984).
file() for open = "", "r" or "rt" will automagically detect compressed files (from gzip, bzip2 or xv). This means that compressed files can be specified by file name to read.table(), readlines(), scan() and so on.
data() can handle compressed text files with extensions .{txt,tab,csv}.{gz,bz2,xz} .