It's a very interesting mission because it really, really looks like a lost mission from Calendra's Legacy, using mostly the same texture selection, similar sounds and built very similarly to both A Meeting With Basso and Midnight in Murkbell. I think it's a fantastic mission and it's crazy the author tried to make it under Olddark when you consider the sheer scope of it.
Yes, download links are one of a few places where changes cannot be submitted. But I am working on it to make it available so that everybody can submit changes there, too. On the other hand, vast majority of download links can be populated in semi-automated way, on which I am also working in my spare time.