Cham is a Unicode block containing characters of the Cham script, which is used for writing the Cham language, primarily used for the Eastern dialect in Cambodia and Vietnam.
A separate block for Western Cham, used in Cambodia, was first proposed to Unicode in 2016. As of May 2022 it is still being finalized.
History The following Unicode-related documents record the purpose and process of defining specific characters in the Cham block:
Version Count L2 ID WG2 ID Document 5.1 U+AA00..AA36, AA40..AA4D, AA50..AA59, AA5C..AA5F 83 N1126 N1203 N1578 N1559 N1603 N1960 N1997 N3120 doc)
References