These blocks encoded precomposed modern Hangul syllables.
5 (1998), and are now occupied by CJK Unified Ideographs Extension A and Yijing Hexagram Symbols.
[4] This data is archived as historic, but contains errors; an errata document is also supplied which corrects the mappings with reference to decompositions from the Unicode Character Database for Unicode 1.1.5,[5] which is itself also available.
[6] However, the Unicode 1.1.5 data itself contains some errors; corrected data with reference to the ISO/IEC 10646-1:1993 code charts and the source standards is documented in the Unicode Technical Committee document UTC L2/17-080.
This block was encoded from Unicode 1.0.0 and included in the main code chart (without character names)[1] but not in the block charts (which included character names).