__FORCETOC__ CJK Unified Ideographs Extension A is a Unicode block containing rare Han ideographs submitted to the Ideographic Research Group between 1992 and 1998, plus ten ideographs added in Unicode 13.0 which had previously been mistakenly unified with others.
The block has dozens of variation sequences defined for standardized variants.
It also has thousands of ideographic variation sequences registered in the Unicode Ideographic Variation Database (IVD). These sequences specify the desired glyph variant for a given Unicode character.
Known issues is an exact duplicate of . is an exact duplicate of .
Block
History The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Unified Ideographs Extension A block:
Version Count L2 ID WG2 ID IRG ID Document 3.0 U+3400..4DB5 6,582 N1423 N364 N1424 N382 N1425 N378 N1426 N379 N1455 N1439 N1449 N1453 N1479 N1487 doc) N1723 N1733 N1776 N1703 html, doc) N1943 N2003 N2109 N674 N2667 N2774R N1064 doc) N3285 doc) N4544 doc) N4621 doc) N2202 N4974 N2301 N4987 N4988 N5016 N2349 doc) N5094 N2370 N5086 N2379 N5068 N5083 N2391 N2512R N2545 N5198 13.0 U+4DB6..4DBF 10 N5094 N2370 N5080 N2338 N5081 N2337 N5083 N2391 N5122 N2520
References