U+FA3A "墨" CJK Compatibility Ideograph-# Unicode Character

U+FA3A "墨" CJK Compatibility Ideograph-# is a compatibility ideograph included in the Unicode standard specifically to represent a variant form of the CJK character for "ink" (墨) as used in the Japanese ARIB (Association of Radio Industries and Businesses) standard for digital broadcasting. This character was added to the Compatibility Ideographs block to ensure round-trip conversion compatibility with legacy encoding systems, rather than to represent a distinct semantic meaning. Its primary purpose is to preserve the exact glyph shape required by those older systems, and it is not intended for general use in modern text; instead, its standard counterpart, U+58A8 "墨", is preferred for ordinary writing and digital communication.