Missing set of decimal numbers (its use is rare and mainly limited to Europe, ever in France). The command will be setD, and permits the relation : setN subset setZ subset setD subset setQ subset setR subset setC
I'm working on it with https://gerrit.libreoffice.org/c/core/+/155319 but I'm not satisfied of the result for the moment.
I abandoned the patch since I'm stuck. =>unassign myself