This has been a problem since version 1.3.19, yet nobody, NOBODY from L4D modding/mapping has decided to report it.
I'm looking at you, a certain Tsu-name person.
Steps to reproduce:
Decompile a L4D1/2 map.
In Hammer, find a ladder brush in the decompiled vmf.
Move a ladder brush out of it's position to see the duplicate ladder brush.
This has been a problem since version 1.3.19, yet nobody, NOBODY from L4D modding/mapping has decided to report it. I'm looking at you, a certain Tsu-name person.
Steps to reproduce: