Let's start by saying I still use GC2: Dread Lords version 1.4x, I hope you can still help me.

Anyway, I was creating my mod, I finished all modifications, it was the TechTree.xml file, and my plan was to have all techs in the game, replaced, but I didn't get all my ideas at first, so I saved my file with my new techs, and left some of the game techs untouched. I started playing, and I found out all the techs are doubled! The game didn't overwrite the techs, the only way I could continue my working, was to work on the Original file, and not the one I put in the Mods Folder.
I then tried the same with improvements, and I got everything doubled! So I wanted to know if this only for me, or to the modding community as well. You see, as of now, I only made a new "TechTree.xml" file with only 1 tech in it. It was an addition tech, not a replacement. But when I want all the techs, it doubles them. You're following?
Anyway, now that I got this finished, (the improvements.xml this time) I deleted some of the improvements, and added new ones, I was wondering if the game will read all my new improvements and replace them with the Original, or he would rather create... Something that I could show like this:
Industrial Facility (my improvement) ----> (upgraded to) Industrial Complex (end of improvement tree) but then, he also adds "Industrial Sector", (because this one I deleted) as a new improvement, not connect to my improvements.
Any ideas? I hope you understand.