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...f several packages fails during installation of help indices. The error is: "Error: invalid regular expression '^[[:blank:]]*" The packages for which installation failes, with the respective help files after which the error occurs: robustbase: NOxEmissions tuneR: lilyinput kernlab: kha rrcov: CovSest seewave: wasp Any ideas? btw, i just copied my colleague's installation folders to mine, and it seems to work; for me the problem is solved for now. But it would still be good to know what the problem is. Thanks, Rainer

Hi everybody, I''m using R on a 64-bit Ubuntu 9.04 (Jaunty). I prefer to install R packages from source, even if they are available in Synaptic. The problem is that I can''t install/compile kernlab. Everything works fine until it gets to the lazy loading part: ** preparing package for lazy loading Creating a new generic function for "terms" in "kernlab"