abstract:The Hong Kong Supplementary Character Set (; commonly abbreviated to HKSCS) is a set of Chinese characters -- 4,702 in total in the initial release—used in Cantonese, as well as when writing the names of some places in Hong Kong (whether in written Cantonese or standard written Chinese sentences).FAQs about GovHK Online Services - Other Technical Questions and Trouble Shooting It evolved from the preceding Government Chinese Character Set () or GCCS.