alias DiscNodeSubtype

---

(alias) DiscNodeSubtype = (0|1|2|3|4|5)
    | 0 -- discretionary
    | 1 -- explicit
    | 2 -- automatic
    | 3 -- regular
    | 4 -- first
    | 5 -- second

Reference:

• Corresponding C source code: texnodes.c#L620-L625

😱 Types incomplete or incorrect? 🙏 Please contribute!