fSeries: garchOxFit - is really the example provided not runnig?

Dear R-helpers,

  I have just loaded the fSeries package and I wanted to run the example provided in the documentation of garchOxFit but I got the following:

  > library(fSeries)

?garchOxFit
library(datasets)
?garchOxFit
  ## Not run:
    ## garchOxFit -
       # Load Benchmark Data Set:
       data(dem2gbp)
       x = dem2gbp[, 1]
       # Fit GARCH(1,1):
       garchOxFit(formula.mean = ~arma(0,0), formula.var = ~garch(1,1))
Error in system(command, show.output.on.console = trace, invisible = TRUE) :
        unused argument(s) (show.output.on.console ...)

    ## End(Not run)
Both "show.output.on.console" and "invisible" are Windows only arguments 
of system(). This is a bug in the package that needs to be reported to 
the package maintainer, Diethelm Wuertz (CCing).
  Does "## Not run:" means the example does not work?
It means that the package meintainer decided not to run this part of the 
examples by R CMD check, hence it is unchecked (and nobody traced the 
bug before).

Uwe Ligges
  Has anybody experienced the same problem? 
  Or may you easly see where am I wrong?

  Thanks in advance and regards, 
  Julio

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fSeries: garchOxFit - is really the example provided not runnig?

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