No, it contains 4 elements:
- the error symbol (file-error)
- a descriptive string ("Non-regular file")
- the system error as a string ("Is a directory")
- the offending object ("/home/kmodi/.emacs.d/foo")
> Also, the error is not-informative.. the user is trying to trash foo/ and
> knows that foo/ is a directory.. so how would
copy-file does not support copying non-regular files.
Kaushal Modi