empty demo(), library(), etc

From R.app

 > demo()
 > library()

etc gives nothing, should return a help page.

 > sessionInfo()
Version 2.3.0 (2006-04-24)
powerpc-apple-darwin8.6.0

attached base packages:
[1] "methods"   "stats"     "graphics"  "grDevices" "utils"
[6] "datasets"  "base"

R.app   Versione 1.16-pre (3114)


stefano