I've not reached out to John Cowan but think I might, despite my dislike of Unicode. I'll also look into this Ronin Institute. I'll keep the book in mind. I appreciate the help.
As I explain in the last linked article, a lot of these artificial languages retard language work, rather than help it. I expect to target real languages with most of my time now.
Think of Elision like MIDI, but for human language. Text is stored uniformly as indices into a dictionary, rather than as a sequence of characters with interspersed control codes.