U+F966 "復" CJK Compatibility Ideograph-# Unicode Character
U+F966 "復" CJK Compatibility Ideograph-# is a compatibility ideograph from the CJK Compatibility Ideographs block, designed to represent a variant or simplified form of the standard Chinese character "複" or "復" (meaning to repeat, restore, or reply) that was used in legacy encoding systems like CNS 11643 or other East Asian character sets before Unicode unification. This specific code point exists solely for round-trip conversion compatibility with older text data, ensuring that documents created in those original encodings can be accurately preserved without losing their distinct glyph shapes. In modern Unicode usage, it is generally recommended to use the unified CJK character for "複" (U+8907) or "復" (U+5FA9) instead of this compatibility character, unless the original formatting or historical context requires its exact representation.