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Unicode Technical Reports

For more information see About Unicode Technical Reports and the Specifications FAQ

The Unicode Standard Annexes
UAX 9 Unicode Bidirectional Algorithm
UAX 11 East Asian Width
UAX 14

Unicode Line Breaking Algorithm

UAX 15 Unicode Normalization Forms
UAX 24 Unicode Script Property
UAX 29 Unicode Text Segmentation
UAX 31 Unicode Identifier and Pattern Syntax
UAX 34 Unicode Named Character Sequences
UAX 38 Unicode Han Database (Unihan)
UAX 41 Common References for Unicode Standard Annexes
UAX 42 Unicode Character Database in XML
UAX 44 Unicode Character Database
UAX 45 U-Source Ideographs
 
See also Proposed Updates for Standard Annexes
 
Technical Standards
UTS 6 A Standard Compression Scheme for Unicode
UTS 10 Unicode Collation Algorithm
UTS 18 Unicode Regular Expressions
UTS 22 Unicode Character Mapping Markup Language
UTS 35 Unicode Locale Data Markup Language (LDML)
See also Proposed Update
UTS 37 Unicode Ideographic Variation Database
UTS 39 Unicode Security Mechanisms
UTS 46 Unicode IDNA Compatibility Processing
 
Technical Reports
UTR 16 UTF-EBCDIC
UTR 17 Character Encoding Model
UTR 20 Unicode in XML and other Markup Languages
UTR 23 The Unicode Character Property Model
See also Proposed Update
UTR 25 Unicode Support for Mathematics
UTR 26 Compatibility Encoding Scheme for UTF-16: 8-Bit (CESU-8)
UTR 33 Unicode Conformance Model
UTR 36 Unicode Security Considerations
UTR 50 Unicode Vertical Text Layout
 
Old Versions of Unicode
UTR 4 The Unicode Standard, Version 1.1
UTR 8 The Unicode Standard, Version 2.1
UAX 27 Unicode 3.1
UAX 28 Unicode 3.2
 
Superseded or Withdrawn
UTR 1 Proposals for Burmese (Myanmar), Khmer, and Ethiopian
UTR 2 Proposals for Sinhala, Mongolian, and Tibetan
UTR 3 Proposals for Less Common Scripts
UTR 5 Handling Non-Spacing Marks
UTR 7 Plane 14 Characters for Language Tags
UTR 12 Support for Interlinear Annotations Status: Withdrawn
UAX 13 Unicode Newline Guidelines
UAX 19 UTF-32
UAX 21 Case Mappings
UTR 30 Unicode Character Foldings Status: Withdrawn
UTR 32 Assessing Unicode Support Status: Withdrawn
UTS 40 BOCU-1: MIME-Compatible Unicode Compression Status: Withdrawn
UTR 49 Unicode Character Categories Status: Withdrawn
 

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