Unicode Character 'HANGUL CHOSEONG KIYEOK' (U+1100)

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Michael Kaplan's blog entry on sorting wierdness with this character and U+3131.

Unicode Data
Name HANGUL CHOSEONG KIYEOK
Block Hangul Jamo
Category Letter, Other [Lo]
Combine 0
BIDI Left-to-Right [L]
Mirror N
Index entries Korean Combining Alphabet
Jamo Combining Alphabet, Korean Hangul
Combining Alphabet, Korean Hangul Jamo
Hangul Jamo Combining Alphabet, Korean
Korean Hangul Jamo Combining Alphabet
Comments G
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) ᄀ
HTML Entity (hex) ᄀ
How to type in Microsoft Windows Alt +1100
UTF-8 (hex) 0xE1 0x84 0x80 (e18480)
UTF-8 (binary) 11100001:10000100:10000000
UTF-16 (hex) 0x1100 (1100)
UTF-16 (decimal) 4,352
UTF-32 (hex) 0x00001100 (1100)
UTF-32 (decimal) 4,352
C/C++/Java source code "\u1100"
Python source code u"\u1100"
More...
Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock HANGUL_JAMO
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 5
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() Yes
Character.isLetter() Yes
Character.isLetterOrDigit() Yes
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() Yes
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No