A week or so ago I attempted to make my Māinṃ map prettier by adding very slight grunge and texture to what was, in retrospect, woefully ungrunged and low-textured. Then a couple of days ago, I did it again, and this time I got it much better. So much better, that it feels like I've perfected a new version, level-upped, in my parchment/paper texture generation methods.
So, today I've been eyeing my old GIMP script, and tried to remember what little I learned about Scheme that single day I used it for (= when I wrote that GIMP script), and I have to say, this is a major ass-in-the-pain. And in any case, some stuff in the method is