[R] problems with <fix> and <edit>

[Meinhard Ploner]

sometimes I get the following error message with the editor command 
<fix>:

Error in edit.default(get(subx, envir = parent), ...) :
	cannot write tempfile

what happens?

Similarly, after a syntax error I get the message

Error in edit(name, file, editor) : An error occurred on line 3
  use a command like
  x <- edit()

and now the command  x<-edit() opens an empty window. (instead of <x> I 
wrote the name of the function, as usual)
--------

thanks for help
Meinhard Ploner
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