Invisible files starting with two dots

[Andreas Heinlein <aheinlein gmx com>]

Hello,

today I accidentally created a file starting with two dots, i.e.
"..foobar". I could not see it in Nautilus even when "Show hidden files"
was on. I could see it in the output of "ls -a", however.

Is this a bug or a feature? I consider it somewhat harmful since it
would allow hiding files at least from the average user who does not use
the command line.

Thanks,
Andreas