What's the deal with http://dconf.org/2015/talks/zvibel.pdf?

[Walter Bright via Digitalmars-d]

On 6/4/2015 6:12 PM, Andrei Alexandrescu wrote:
> So this is the sixth time or so I change permissions for
> http://dconf.org/2015/talks/zvibel.pdf manually. I make it world-readable,
> someone within a matter of hours it becomes world-unreadable.
>
> Attributes and owner are fine on my github dir. We use rsync.
>
> Does any other contributor update dconf.org and has the wrong attributes? Could
> there be something more odd at work?


I just clicked and downloaded it. No problems.