On Mon, Oct 5, 2015 at 10:40 AM, Henri Beauchamp
> I don't know what you are trying to debug, but just in case, be aware
> that at least one such "derivatives", in use on OSGrid, does not obey
> the purge trash messages sent by the viewer (it looks like the trash
> gets emptied, but on relog, the purged items will reappear in it):
> it's totally weird and IMO a pure non-sense but in OSGrid, if you want
> to purge your trash, you must login into their web site and purge it
> from there...
> I myself lost quite some time (GRRRR !) trying to figure out why I
> couldn't purge my trash (and searched pointlessly for a bug in my
> viewer), till I found out this totally quirky (and unique: I didn't
> encounter it on any other grid) "feature" of OSGrid.
>
>> and just noticed that it seems that
>> there's a difference in the calls when the folder being purged has children
>> and when it doesn't.  Trying to confirm that there is an actual difference
>> or if something else in this complex system is interacting...

It's not nonsense, it's a security measure. In SL sims are trusted so
they proxy all the communication from the viewer to the central
services such as inventory and assets. On OSGrid anyone can attach
their own sim. This sim could tell the inventory service "User XYZ
just emptied the trash", which in practice means everyone with a
modified sim code could empty your Trash and Lost & Found.

This is why those operations were disabled on OSGrid, and work just
fine on more controlled grids.
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