# NOT RUN {
is_help("help") # Help and example
is_help("Rtangle") # Help but no example
is_help("notopic") # No help or example
is_win()
is_mac()
is_aqua()
is_rgui()
is_sdi()
is_rstudio()
is_rstudio_desktop()
is_rstudio_server()
is_jgr()
# }
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