A little of coordination for Rosettacode

[bearophile]

Ali Çehreli:

> And I am not sure why the slicing syntax works because the 
> 'printers' member is still shared then.

Probably it's a known D implementation fault meant to be 
eventually fixed.

-------------

Stanislav Blinov:

> Here are some improvements:
> http://dpaste.dzfl.pl/6430488f3d07

Updated the site with your code (in that the "View history" shows 
both your names):
http://rosettacode.org/wiki/Rendezvous#D

Bye,
bearophile