It even has an ISO 15924 script tag “Teng”, so you could mark an entry as being in sjn-Teng (Sindarin, written in Tengwar), or even en-AU-Teng (Australian English, written in Tengwar) (since BCP 47 uses ISO 15924 as one of its sources).
I didn't know that. How cool! /former tolklang nerd
Re: Tengwar
I didn't know that. How cool! /former tolklang nerd