ISO/IEC 10646-1:1993/Amd 21:1999
Information technology — Universal Multiple-Octet Coded Character Set (UCS) — Part 1: Architecture and Basic Multilingual Plane — Amendment 21: Sinhala
Technologies de l'information — Jeu universel de caractères codés à plusieurs octets — Partie 1: Architecture et table multilingue — Amendement 21: Sinhala