Find attached a draft of the UAX31 paper for discussion. 
Viewable at http://htmlpreview.github.io/?https://github.com/steve-downey/papers/blob/master/generated/p1949.html
Source at https://github.com/steve-downey/papers/blob/master/p1949.md

(note that github doesn't format the same way that mpark's WG21 format does)