Another script that merits further review is the Mandombe script developed by David Wabeladio Payi, a Congolese follower of Simon Kimbangu. Here is a link to the most recent proposal for its inclusion into Unicode. There are at least twenty or so books and one map that have been produced so far using the script, which is technically a little more complex than most in the way its characters combine. All the characters are geometric compositions of horizontal, vertical and diagonal lines. It has a distinctive look, with fourteen combining diacritics and four acute accents that do not combine.