The Unicode Standard Version 10.0 Core Specification

Transcription

1 The Unicode Standard Version 10.0 Core Specification To learn about the latest version of the Unicode Standard, see Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc., in the United States and other countries. The authors and publisher have taken care in the preparation of this specification, but make no expressed or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein. The Unicode Character Database and other files are provided as-is by Unicode, Inc. No claims are made as to fitness for any particular purpose. No warranties of any kind are expressed or implied. The recipient agrees to determine applicability of information provided Unicode, Inc. All rights reserved. This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction. For information regarding permissions, inquire at For information about the Unicode terms of use, please see The Unicode Standard / the Unicode Consortium; edited by the Unicode Consortium. Version Includes bibliographical references and index. ISBN ( 1. Unicode (Computer character set) I. Unicode Consortium. QA268.U ISBN Published in Mountain View, CA June 2017

2 xxv Tables Table 2-1. The 10 Unicode Design Principles Table 2-2. User-Perceived Characters with Multiple Code Points Table 2-3. Types of Code Points Table 2-4. The Seven Unicode Encoding Schemes Table 2-5. Interaction of Combining Characters Table 2-6. Nondefault Stacking Table 3-1. Named Unicode Algorithms Table 3-2. Normative Character Properties Table 3-3. Informative Character Properties Table 3-4. Examples of Unicode Encoding Forms Table 3-5. UTF-16 Bit Distribution Table 3-6. UTF-8 Bit Distribution Table 3-7. Well-Formed UTF-8 Byte Sequences Table 3-8. Use of U+FFFD in UTF-8 Conversion Table 3-9. Summary of UTF-16BE, UTF-16LE, and UTF Table Summary of UTF-32BE, UTF-32LE, and UTF Table Combining Marks and Starter Status Table Reorderable Pairs Table Hangul Characters Used in Examples Table Context Specification for Casing Table Case Detection Examples Table 4-1. Relationship of Casing Definitions Table 4-2. Case Function Values for Strings Table 4-3. Sources for Case Mapping Information Table 4-4. General Category Table 4-5. Primary Numeric Ideographs Table 4-6. Ideographs Used as Accounting Numbers Table 4-7. Types of Character Name Aliases Table 4-8. Name Derivation Rule Prefix Strings Table 4-9. Construction of Code Point Labels Table Unusual Properties Table 5-1. Hex Values for Acronyms Table 5-2. NLF Platform Correlations Table 5-3. Typing Order Differing from Canonical Order Table 5-4. Permuting Combining Class Weights Table 5-5. Casing and Normalization in Strings Table 6-1. Typology of Scripts in the Unicode Standard Table 6-2. Unicode Space Characters Table 6-3. Unicode Dash Characters Table 6-4. Models of Visual Relationship between Quote Glyphs

3 Tables xxvi Table 6-5. East Asian Quotation Marks Table 6-6. Opening and Closing Forms Table 6-7. Names for 280 Table 6-8. Unicode Danda Characters Table 7-1. Preferred Rendering of Cedilla versus Comma Below Table 7-2. Nonspacing Marks Used with Greek Table 7-3. Greek Spacing and Nonspacing Pairs Table 7-4. Typicon Kavyka Symbols Table 8-1. Similar Characters in Linear B and Cypriot Table 8-2. Combining Marks Used in Old Permic Table 9-1. Arabic Digit Names Table 9-2. Glyph Variation in Eastern Arabic-Indic Digits Table 9-3. Primary Arabic Joining Types Table 9-4. Derived Arabic Joining Types Table 9-5. Arabic Glyph Types Table 9-6. Arabic Obligatory Ligature Joining Groups Table 9-7. Arabic Ligature Notation Table 9-8. Dual-Joining Arabic Characters Table 9-9. Right-Joining Arabic Characters Table Forms of the Arabic Letter yeh Table Arabic Letters With Hamza Above Table Miscellaneous Syriac Diacritic Use Table Syriac Final Alaph Glyph Types Table Dual-Joining Syriac Characters Table Right-Joining Syriac Characters Table Syriac Alaph Glyph Forms Table Syriac Ligatures Table Samaritan Performative Punctuation Marks Table Dual-Joining Mandaic Characters Table Right-Joining Mandaic Characters Table Old South Arabian Numeric Characters Table Number Formation in Old South Arabian Table Number Formation in Aramaic Table Dual-Joining Manichaean Letters Table Right-Joining Manichaean Letters Table Left-Joining Manichaean Letters Table Non-Joining Manichaean Letters Table Manichaean Ligatures Table Inscriptional Parthian Shaping Behavior Table Avestan Shaping Behavior Table Cuneiform Script Usage Table Hieroglyphic Character Sequence Table Devanagari Vowel Letters Table Sample Devanagari Half-Forms Table Sample Devanagari Ligatures

4 Tables xxvii Table RA + Vocalic Letter Ligature Forms Table Sample Devanagari Half-Ligature Forms Table Marathi and Nepali Allographs Table Devanagari Vowels Used in Bihari Languages Table Prishthamatra Orthography Table Bengali Vowel Letters Table Diphthong Vowel Letters in Kokborok Table Assamese Consonant-Vowel Combinations Table Bengali Consonant-Vowel Combinations Table Use of Apostrophe in Bangla Table Gurmukhi Vowel Letters Table Gurmukhi Conjuncts Table Additional Pairin and Addha Forms in Gurmukhi Table Use of Joiners in Gurmukhi Table Gujarati Vowel Letters Table Gujarati Conjuncts Table Oriya Vowel Letters Table Oriya Conjuncts Table Oriya Vowel Placement Table Ligation for the Syllable om Table Tamil Ligatures with u Table Tamil Vowels, Consonants, and Syllables Table Telugu Vowel Letters Table Rendering of Telugu na + virama Table Kannada Vowel Letters Table Rendering of Kannada na + virama Table Malayalam Vowel Letters Table Malayalam Orthographic Reform Table Malayalam Conjuncts Table Candrakkala Examples Table Use of Joiners in Malayalam Table Malayalam /rara/ and /uua/ Table Malayalam /nr/ and /nt/ Table Atomic Encoding of Malayalam Chillus Table Thaana Glyph Placement Table Sinhala Vowel Letters Table Murmured Resonants in Nepal Bhasa Table Positions of Limbu Combining Characters Table Lepcha Syllabic Structure Table Various Signs in Masaram Gondi Table Brahmi Vowel Letters Table Brahmi Positional Digits Table Kharoshthi Vowel Signs Table Kharoshthi Vowel Modifiers Table Kharoshthi Consonant Modifiers

5 Tables xxviii Table Examples of Kharoshthi Virama Table Phags-pa Positional Forms of I, U, E, and O Table Contextual Glyph Mirroring in Phags-pa Table Phags-pa Standardized Variants Table Takri Vowel Letters Table Siddham Punctuation Characters Table Khudawadi Vowel Letters Table Representation of Arabic Sounds in Khudawadi Table Tirhuta Vowel Letters Table Modi Vowel Letters Table Rendering of Explicit Virama Forms in Grantha Table Additional Svara Marks used in Grantha Table Glyph Positions in Thai Syllables Table Glyph Positions in Lao Syllables Table Modern Burmese Syllabic Structure Table Khamti Shan Tone Marks Table Independent Khmer Vowel Characters Table Two Registers of Khmer Consonants Table Khmer Subscript Consonant Signs Table Khmer Composite Dependent Vowel Signs with Nikahit Table Khmer Subscript Independent Vowel Signs Table Tai Le Tone Marks Table Myanmar Digits in Tai Le Table New Tai Lue Vowel Placement Table New Tai Lue Registers and Tones Table Tai Viet Symbols and Punctuation Table Cham Syllabic Structure Table Hanunóo and Buhid Vowel Sign Combinations Table Balinese Base Consonants and Conjunct Forms Table Sasak Extensions for Balinese Table Balinese Consonant Clusters with u and u: Table Modern Sundanese Syllabic Structure Table Blocks Containing Han Ideographs Table Small Extensions to the URO Table Common Han Characters Table Source Encoding for Sword Variants Table Ideographs Not Unified Table Ideographs Unified Table Han Ideograph Arrangement Table Mandarin Tone Marks Table Minnan and Hakka Tone Marks Table Separating Jamo Characters Table Line-Based Placement of Jungseong Table Lisu Tone Letters Table Punctuation Adopted in Lisu Orthography

6 Tables xxix Table Labialized Forms in Ethiopic -WAA Table Labialized Forms in Ethiopic -WE Table N Ko Diacritic Usage Table N Ko Tone Diacritics on Vowels Table N Ko Letter Shaping Table Number Formation in Mende Kikakui Table Combining Marks used in Osage Table IPA Transcription of Deseret Table Examples of Ornamentation Table Representation of Ancient Greek Vocal and Instrumental Notation 772 Table Currency Symbols Encoded in Other Blocks Table Mathematical Alphanumeric Symbols Table Script-Specific Decimal Digits Table Compatibility Digits Table Mathematical Operators Disunified from Punctuation Table Use of Mathematical Symbol Pieces Table Geometric Shape Collections Table Japanese Era Names Table Control Codes Specified in the Unicode Standard Table Letter Spacing Table Bidirectional Ordering Controls Table Paired Stateful Controls Table Paired Stateful Controls (Deprecated) Table Unicode Encoding Scheme Signatures Table U+FEFF Signature in Other Charsets Table IRG Sources Table A-1. Extended BNF Table A-2. Character Class Examples Table A-3. Operators Table C-1. Timeline Table C-2. Zero Extending Table D-1. Versions of Unicode and ISO/IEC Table D-2. Allocation of Code Points by Type (Versions to 3.0) Table D-3. Allocation of Code Points by Type (Versions 3.1 to 5.1) Table D-4. Allocation of Code Points by Type (Versions 5.2 to 7.0) Table D-5. Allocation of Code Points by Type (Versions 8.0 to 10.0) Table F-1. CJK Strokes

7 Tables xxx