Sibilant fricatives <= 2 | > 2

Cor-03c: Are there up to 2 or more than 2 distinctions among sibilant fricatives?

This feature is described in the feature set Coronal consonants.

It is authored by David Inman and Kellen Parker van Dam with Diana Krasovskaya and Natalia Chousou-Polydouri and Marine Vuillermet and Nora Muheim and Selma Hardegger. cite