Descriptive Problem Summary:
I was making my multi-z thing, and i made it so you can see what's below with adding turfs to vis_contents continuously, so some turfs had turfs with vis_contents in their vis_contents and so on.
This made all turfs client sees in vis_contents shift their position on their screen for some reason

Numbered Steps to Reproduce Problem:
Make turf's vis_contents contain another turf with turf in vis_contents

Code Snippet (if applicable) to Reproduce Problem:
Enviroment to test this was given to Lummox

Expected Results:
That should not have happened.

Actual Results:
It happens

Does the problem occur:
Every time? Or how often?
In other games?
In other user accounts?
On other computers?

When does the problem NOT occur?
When you don't put turfs that has vis_contents in vis_contents

Did the problem NOT occur in any earlier versions? If so, what was the last version that worked? (Visit http://www.byond.com/download/build to download old versions for testing.)
It did