Well I think it was Re Berengario I who found out quite some while ago that the game regenerates some interesting .strings.bin files if you place one of these untagged files with a correct tag there.
The generated files contain the tags the game knows, but for them to work you still need to remove a few.
Long story short, I'll upload them somewhere tomorrow so people can get a hand on them (together with the text files). If you place both in a mod folder they work, I don't know about file_first but it should be fine.

I had planned to add them to a new version of my strings bin converter but so far didn't get around to it.