類字母符號
類字母符號是一個位於基本多文種平面的Unicode區塊,包含了80個字元,其主要由一個或多個字母的字形構成。 除此之外,Unicode還有一個由字母構成的數學字母數字符號區塊,不過Unicode沒有明確地將這些字元歸類為「類字母符號」。[3]
類字母符號 Letterlike Symbols | |
---|---|
範圍 | U+2100..U+214F (80個碼位) |
平面 | 基本多文種平面(BMP) |
文字 | 希臘字母(1個) 拉丁字母(4個) 通用(75個) |
符號系列 | 數學 縮寫 |
已分配 | 80個碼位 |
未分配 | 0個保留碼位 |
統一碼版本歷史 | |
1.0.0 | 57 (+57) |
3.0 | 59 (+2) |
3.2 | 74 (+15) |
4.0 | 75 (+1) |
4.1 | 77 (+2) |
5.0 | 79 (+2) |
5.1 | 80 (+1) |
相關區塊 | |
羅馬符號 | |
碼表 | |
點擊此處 | |
註釋:[1][2] |
字元表
字元 | 圖像 | 名稱 | 英文名 | 碼位 |
---|---|---|---|---|
℀ | 百分比 | Account Of | 2100 | |
℁ | Addressed To The Subject | 2101 | ||
ℂ | 複數 | Double-Struck Capital C | 2102 | |
℃ | 攝氏度 | Degree Celsius | 2103 | |
℄ | Centre line Symbol | 2104 | ||
℅ | Care Of | 2105 | ||
℆ | Cada Una | 2106 | ||
ℇ | Euler constant | 2107 | ||
℈ | 吩 | Scruple | 2108 | |
℉ | 華氏度 | Degree Fahrenheit | 2109 | |
ℊ | G | Script Small G | 210a | |
ℋ | H | Script Capital H | 210b | |
ℌ | Black-Letter Capital H | 210c | ||
ℍ | Double-Struck Capital H | 210d | ||
ℎ | 普朗克常數 | Planck constant | 210e | |
ℏ | 2π普朗克常數 | Planck Constant Over Two Pi | 210f | |
ℐ | I | Script Capital I | 2110 | |
ℑ | Black-Letter Capital I | 2111 | ||
ℒ | L | Script Capital L | 2112 | |
ℓ | Script Small L (LaTeX: \ell) | 2113 | ||
℔ | L B Bar Symbol | 2114 | ||
ℕ | Double-Struck Capital N | 2115 | ||
№ | 編號 | Numero sign | 2116 | |
℗ | 錄音版權符號 | Sound recording copyright symbol | 2117 | |
℘ | p 函數 | Script Capital P | 2118 | |
ℙ | P | Double-Struck Capital P | 2119 | |
ℚ | 有理數 | Double-Struck Capital Q | 211a | |
ℛ | R | Script Capital R | 211b | |
ℜ | R | Black-Letter Capital R | 211c | |
ℝ | 實數 | Double-Struck Capital R | 211d | |
℞ | 藥品處方 | Prescription Take | 211e | |
℟ | Response | 211f | ||
℠ | 服務商標 | Service mark | 2120 | |
℡ | 電話 | Telephone Sign | 2121 | |
™ | 註冊商標 | Trademark Sign | 2122 | |
℣ | Versicle | 2123 | ||
ℤ | Z | Double-Struck Capital Z | 2124 | |
℥ | 盎司 | Ounce Sign | 2125 | |
Ω | 歐姆 | Ohm Sign | 2126 | |
℧ | 顛倒歐姆 | Inverted Ohm Sign | 2127 | |
ℨ | Z | Black-Letter Capital Z | 2128 | |
℩ | Iota | Turned Greek Small Letter Iota | 2129 | |
K | 開爾文 | Kelvin Sign | 212a | |
Å | 埃格斯特朗 | Ångström Sign | 212b | |
ℬ | B | Script Capital B | 212c | |
ℭ | C | Black-Letter Capital C | 212d | |
℮ | 估計符號 | Estimated symbol | 212e | |
ℯ | e | Script Small E | 212f | |
ℰ | E | Script Capital E | 2130 | |
ℱ | F | Script Capital F | 2131 | |
Ⅎ | F | Turned Capital F | 2132 | |
ℳ | M | Script Capital M | 2133 | |
ℴ | o | Script Small O | 2134 | |
ℵ | Alef | Alef Symbol | 2135 | |
ℶ | Bet | Bet Symbol | 2136 | |
ℷ | Gimel | Gimel Symbol | 2137 | |
ℸ | Dalet | Dalet Symbol | 2138 | |
ℹ | 資訊來源 | Information Source | 2139 | |
℺ | Rotated Capital Q | 213a | ||
℻ | 傳真符號 | Fax Sign | 213b | |
ℼ | Double-Struck Small Pi | 213c | ||
ℽ | Double-Struck Small Gamma | 213d | ||
ℾ | Double-Struck Capital Gamma | 213e | ||
ℿ | Double-Struck Capital Pi | 213f | ||
⅀ | Double–Struck N–Ary Summation | 2140 | ||
⅁ | Turned Sans-Serif Capital G | 2141 | ||
⅂ | Turned Sans-Serif Capital L | 2142 | ||
⅃ | Reversed Sans-Serif Capital L | 2143 | ||
⅄ | Turned Sans-Serif Capital Y | 2144 | ||
ⅅ | Double-Struck Italic Capital D | 2145 | ||
ⅆ | Double-Struck Italic Small D | 2146 | ||
ⅇ | Double-Struck Italic Small E | 2147 | ||
ⅈ | Double-Struck Italic Small I | 2148 | ||
ⅉ | Double-Struck Italic Small J | 2149 | ||
⅊ | 界址符號 | Property line | 214a | |
⅋ | 反& | Turned Ampersand | 214b | |
⅌ | 比 | Per Sign | 214c | |
⅍ | 丹麥股份公司 | Aktieselskab | 214d | |
ⅎ | Turned Small F | 214e | ||
⅏ | Symbol for Samaritan Source | 214f |
變體序列
字形變體
本區塊為標準化變體定義了8個變體序列[5]。採用U+FE00 ︀ VARIATION SELECTOR-1(VS01)呈現教會體樣式的符號,採用U+FE01 ︁ VARIATION SELECTOR-2(VS02)呈現圓手寫體樣式的符號(取決於字體):
基本 | VS01 | VS02 | |
---|---|---|---|
U+210B | ℋ | ℋ︀ | ℋ︁ |
U+2110 | ℐ | ℐ︀ | ℐ︁ |
U+2112 | ℒ | ℒ︀ | ℒ︁ |
U+211B | ℛ | ℛ︀ | ℛ︁ |
U+212C | ℬ | ℬ︀ | ℬ︁ |
U+2130 | ℰ | ℰ︀ | ℰ︁ |
U+2131 | ℱ | ℱ︀ | ℱ︁ |
U+2133 | ℳ | ℳ︀ | ℳ︁ |
其餘的字元見於數學字母數字符號區塊。
繪文字
本區塊包含2個繪文字:U+2122與U+2139。[6][7]
此區塊共定義了4個標準化變體,為2個基本字元指定顯示樣式:採用U+FE0E ︎ VARIATION SELECTOR-15(VS15)以文字顯示,或採用U+FE0F ️ VARIATION SELECTOR-16(VS16)以繪文字顯示,基本字元默認以文字顯示。[8]
U+ | 2122 | 2139 |
基本碼位 | ™ | ℹ |
基本+VS15(文字) | ™︎ | ℹ︎ |
基本+VS16(繪文字) | ™️ | ℹ️ |
區塊
類字母符號 Letterlike Symbols[1] Unicode Consortium 官方碼表(PDF) | ||||||||||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | |
U+210x | ℀ | ℁ | ℂ | ℃ | ℄ | ℅ | ℆ | ℇ | ℈ | ℉ | ℊ | ℋ | ℌ | ℍ | ℎ | ℏ |
U+211x | ℐ | ℑ | ℒ | ℓ | ℔ | ℕ | № | ℗ | ℘ | ℙ | ℚ | ℛ | ℜ | ℝ | ℞ | ℟ |
U+212x | ℠ | ℡ | ™ | ℣ | ℤ | ℥ | Ω | ℧ | ℨ | ℩ | K | Å | ℬ | ℭ | ℮ | ℯ |
U+213x | ℰ | ℱ | Ⅎ | ℳ | ℴ | ℵ | ℶ | ℷ | ℸ | ℹ | ℺ | ℻ | ℼ | ℽ | ℾ | ℿ |
U+214x | ⅀ | ⅁ | ⅂ | ⅃ | ⅄ | ⅅ | ⅆ | ⅇ | ⅈ | ⅉ | ⅊ | ⅋ | ⅌ | ⅍ | ⅎ | ⅏ |
註釋
|
歷史
下列與Unicode相關的文件記錄了在本區塊中定義特定字元的目的和過程:
版本 | 最終碼位[a] | 碼位數 | UTC ID | L2 ID | WG2 ID | 文件 |
---|---|---|---|---|---|---|
1.0.0 | U+2100..2138 | 57 | (待考) | |||
L2/98-419 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | Aliprand, Joan, Script capital P, Approved Minutes -- UTC #78 & NCITS Subgroup L2 # 175 Joint Meeting, San Jose, CA -- December 1-4, 1998, 1999-02-05 | |||||
UTC/1999-017 | Davis, Mark, Data cross-checks (for Agenda), 1999-06-02 | |||||
L2/99-176R | Moore, Lisa, Data Cross-Checks, Minutes from the joint UTC/L2 meeting in Seattle, June 8-10, 1999, 1999-11-04 | |||||
L2/05-137 | Freytag, Asmus, Handling "defective" names, 2005-05-10 | |||||
L2/05-108R | Moore, Lisa, Consensus 103-C7, UTC #103 Minutes, 2005-08-26, Create a "Normative Name Alias" property and file in the UCD. Populate the property with names from the sections "Typos" and "Bad or misleading names" from document L2/05-137. | |||||
L2/10-221 | Moore, Lisa, B.13.3 [U+2107, U+2118], UTC #124 / L2 #221 Minutes, 2010-08-23 | |||||
N3903 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | M57.06, Unconfirmed minutes of WG2 meeting 57, 2011-03-31, WG2 accepts to add the formal name alias "WEIERSTRASS ELLIPTIC FUNCTION" to 2118 SCRIPT CAPITAL P. | |||||
L2/15-050R[b][c] | Davis, Mark; et al, Additional variation selectors for emoji, 2015-01-29 | |||||
L2/20-275R | Sargent, Murray, Proposed variation sequences for math calligraphic letters, 2021-01-05 | |||||
L2/20-281 | Hudson, John, Recent evolution of math alphabetic calligraphic script style, 2020-11-10 | |||||
L2/21-016R | Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai, 25 Math Calligraphic Alphabets, Recommendations to UTC #166 January 2021 on Script Proposals, 2021-01-14 | |||||
L2/21-009 | Moore, Lisa, Consensus 166-C33, UTC #166 Minutes, 2021-01-27, The UTC accepts 52 variation sequences to distinguish roundhand and chancery style mathematical script alphabetic characters | |||||
3.0 | U+2139 | 1 | N1138 | LaBonté, Alain, Proposal to add new characters (Keyboard related) to 10646, 1995-01-30 | ||
N1203 (頁面存檔備份,存於互聯網檔案館) | Umamaheswaran, V. S.; Ksar, Mike, 6.1.6, Unconfirmed minutes of SC2/WG2 Meeting 27, Geneva, 1995-05-03 | |||||
N1303 (html, doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S.; Ksar, Mike, Minutes of Meeting 29, Tokyo, 1996-01-26 | |||||
L2/97-128 | N1564 | Paterson, Bruce, Draft pDAM for various additional characters (the "holding bucket"), 1997-05-15 | ||||
L2/97-288 | N1603 (頁面存檔備份,存於互聯網檔案館) | Umamaheswaran, V. S., 7.3, Unconfirmed Meeting Minutes, WG 2 Meeting # 33, Heraklion, Crete, Greece, 20 June – 4 July 1997, 1997-10-24 | ||||
L2/98-005R | N1682 | Text of ISO 10646 - AMD 22 for PDAM registration and PDAM ballot, 1997-12-17 | ||||
L2/98-320 | N1898 (頁面存檔備份,存於互聯網檔案館) | ISO/IEC 10646-1/FPDAM 22, AMENDMENT 22: Keyboard Symbols, 1998-10-22 | ||||
N1897 (頁面存檔備份,存於互聯網檔案館) | Paterson, Bruce; Everson, Michael, Disposition of Comments - FPDAM22 - Keyboard Symbols - SC2 N3191, 1998-10-22 | |||||
L2/99-010 | N1903 (pdf, html (頁面存檔備份,存於互聯網檔案館), doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30 | ||||
L2/99-126 | Paterson, Bruce, Text for FDAM ballot ISO/IEC 10646 FDAM #22 - Keyboard symbols, 1999-04-14 | |||||
L2/11-438[d][c] | N4182 (頁面存檔備份,存於互聯網檔案館) | Edberg, Peter, Emoji Variation Sequences (Revision of L2/11-429), 2011-12-22 | ||||
U+213A | 1 | L2/98-215 | N1748 (頁面存檔備份,存於互聯網檔案館) | Everson, Michael, Additional signature mark characters for the UCS, 1998-05-25 | ||
L2/98-281R (pdf, html (頁面存檔備份,存於互聯網檔案館)) | Aliprand, Joan, Signature Marks (IV.C.7), Unconfirmed Minutes – UTC #77 & NCITS Subgroup L2 # 174 JOINT MEETING, Redmond, WA -- July 29-31, 1998, 1998-07-31 | |||||
L2/98-292R (pdf, html (頁面存檔備份,存於互聯網檔案館), Figure 1 (頁面存檔備份,存於互聯網檔案館)) | 2.7, Comments on proposals to add characters from ISO standards developed by ISO/TC 46/SC 4, 1998-08-19 | |||||
L2/98-292 | N1840 (頁面存檔備份,存於互聯網檔案館) | 2.7, Comments on proposals to add characters from ISO standards developed by ISO/TC 46/SC 4, 1998-08-25 | ||||
L2/98-301 | N1847 (頁面存檔備份,存於互聯網檔案館) | Everson, Michael, Responses to NCITS/L2 and Unicode Consortium comments on numerous proposals, 1998-09-12 | ||||
L2/98-372 | N1884R2 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | Whistler, Ken; et al, Additional Characters for the UCS, 1998-09-22 | ||||
L2/98-329 | N1920 (頁面存檔備份,存於互聯網檔案館) | Combined PDAM registration and consideration ballot on WD for ISO/IEC 10646-1/Amd. 30, AMENDMENT 30: Additional Latin and other characters, 1998-10-28 | ||||
L2/99-010 | N1903 (pdf, html (頁面存檔備份,存於互聯網檔案館), doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., 8.1.5.1, Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30 | ||||
3.2 | U+213D..2149, 214B | 14 | L2/00-119[e] | N2191R (頁面存檔備份,存於互聯網檔案館) | Whistler, Ken; Freytag, Asmus, Encoding Additional Mathematical Symbols in Unicode, 2000-04-19 | |
L2/00-234 | N2203 (rtf, txt (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., 8.18, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21 | ||||
L2/00-115R2 | Moore, Lisa, Motion 83-M11, Minutes Of UTC Meeting #83, 2000-08-08 | |||||
L2/01-050 | N2253 (頁面存檔備份,存於互聯網檔案館) | Umamaheswaran, V. S., RESOLUTION M39.24, Minutes of the SC2/WG2 meeting in Athens, September 2000, 2001-01-21 | ||||
L2/01-012R | Moore, Lisa, Motion 86-M32, Minutes UTC #86 in Mountain View, Jan 2001, 2001-05-21, Change the name of the proposed character at U+2140 from DOUBLE STRUCK CAPITAL SIGMA to DOUBLE STRUCK N-ARY SUMMATION. | |||||
L2/01-227 | Whistler, Ken, ITEM 5, WG2 Consent Docket for UTC #87, 2001-05-22 | |||||
L2/01-184R | Moore, Lisa, Motion 87-M16, ITEM 5, Minutes from the UTC/L2 meeting, 2001-06-18 | |||||
L2/01-344 | N2353 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., SE6, Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001, 2001-09-09 | ||||
U+214A | 1 | L2/98-374 | N1887R (頁面存檔備份,存於互聯網檔案館) | Freytag, Asmus, Three symbols, 1998-09-24 | ||
L2/99-010 | N1903 (pdf, html (頁面存檔備份,存於互聯網檔案館), doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30 | ||||
L2/00-091 | N2184 (頁面存檔備份,存於互聯網檔案館) | Freytag, Asmus, Additional information on the proposal to add three symbols, 2000-03-14 | ||||
L2/00-234 | N2203 (rtf, txt (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., 8.7, Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24, 2000-07-21 | ||||
L2/00-115R2 | Moore, Lisa, Minutes Of UTC Meeting #83, 2000-08-08 | |||||
4.0 | U+213B | 1 | L2/99-353 | N2056 (頁面存檔備份,存於互聯網檔案館) | 3, Amendment of the part concerning the Korean characters in ISO/IEC 10646-1:1998 amendment 5, 1999-07-29 | |
L2/99-380 | Proposal for a New Work item (NP) to amend the Korean part in ISO/IEC 10646-1:1993, 1999-12-07 | |||||
L2/99-380.3 | Annex B, Special characters compatible with KPS 9566-97 (To be extended), 1999-12-07 | |||||
L2/00-084 | N2182 (頁面存檔備份,存於互聯網檔案館) | 3, Amendment of the part concerning the Korean characters in ISO/IEC 10646-1:1998 amendment 5 (Cover page and outline of proposal L2/99-380), 1999-12-07 | ||||
L2/99-382 | Whistler, Ken, 2.3, Comments to accompany a U.S. NO vote on JTC1 N5999, SC2 N3393, New Work item proposal (NP) for an amendment of the Korean part of ISO/IEC 10646-1:1993, 1999-12-09 | |||||
L2/00-066 | N2170 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | 3, The technical justification of the proposal to amend the Korean character part of ISO/IEC 10646-1 (proposed addition of 79 symbolic characters), 2000-02-10 | ||||
L2/00-073 | N2167 (頁面存檔備份,存於互聯網檔案館) | Karlsson, Kent, Comments on DPRK New Work Item proposal on Korean characters, 2000-03-02 | ||||
L2/00-285 | N2244 (頁面存檔備份,存於互聯網檔案館) | Proposal for the Addition of 82 Symbols to ISO/IEC 10646-1:2000, 2000-08-10 | ||||
L2/00-291 | Everson, Michael, Comments to Korean proposals (L2/00-284 - 289), 2000-08-30 | |||||
N2282 (頁面存檔備份,存於互聯網檔案館) | Report of the meeting of the Korean script ad hoc group, 2000-09-21 | |||||
L2/01-349 | N2374R (頁面存檔備份,存於互聯網檔案館) | Proposal to add of 70 symbols to ISO/IEC 10646-1:2000, 2001-09-03 | ||||
L2/01-387 | N2390 (頁面存檔備份,存於互聯網檔案館) | Kim, Kyongsok, ROK's Comments about DPRK's proposal, WG2 N 2374, to add 70 symbols to ISO/IEC 10646-1:2000, 2001-10-13 | ||||
L2/01-388 | N2392 (頁面存檔備份,存於互聯網檔案館) | Kim, Kyongsok, A Report of Korean Script ad hoc group meeting on Oct. 15, 2001, 2001-10-16 | ||||
L2/01-420 | Whistler, Ken, f. Miscellaneous symbol additions from DPRK standard, WG2 (Singapore) Resolution Consent Docket for UTC, 2001-10-30 | |||||
L2/01-458 | N2407 (頁面存檔備份,存於互聯網檔案館) | Umamaheswaran, V. S., Request to Korean ad hoc group to generate mapping tables between ROK and DPRK national standards, 2001-11-16 | ||||
L2/02-372 | N2453 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., M42.14 item j, Unconfirmed minutes of WG 2 meeting 42, 2002-10-30 | ||||
4.1 | U+213C, 214C | 2 | L2/03-194 | N2590 (頁面存檔備份,存於互聯網檔案館) | Freytag, Asmus, Additional Mathematical and Letterlike Characters, 2003-06-09 | |
L2/04-406 | Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David, Progress report on Mathematical Symbols, 2004-11-15 | |||||
5.0 | U+214D | 1 | L2/04-394 | N2887 (頁面存檔備份,存於互聯網檔案館), N2889 (頁面存檔備份,存於互聯網檔案館) | Stötzner, Andreas, Aktieselskab: Proposal to the Unicode Consortium, 2004-11-09 | |
U+214E | 1 | L2/05-076 | Davis, Mark, Stability of Case Folding, 2005-02-10 | |||
L2/05-183 | N2957 (頁面存檔備份,存於互聯網檔案館) | Everson, Michael; Haugen, Odd Einar; Emiliano, António; Pedro, Susana; Grammel, Florian; Baker, Peter; Stötzner, Andreas; Dohnicht, Marcus; Luft, Diana, Preliminary proposal to add medievalist characters to the UCS, 2005-08-02 | ||||
L2/05-191 | Whistler, Ken, Proposal for dealing with lowercase Claudian letters, 2005-08-02 | |||||
L2/05-193R2 | N2960R (頁面存檔備份,存於互聯網檔案館) | Everson, Michael, Proposal to add Claudian Latin letters to the UCS, 2005-08-12 | ||||
N2942 (頁面存檔備份,存於互聯網檔案館) | Freytag, Asmus; Whistler, Ken, Proposal to add nine lowercase characters, 2005-08-12 | |||||
L2/05-180 | Moore, Lisa, Claudian (C.15), UTC #104 Minutes, 2005-08-17 | |||||
L2/05-108R | Moore, Lisa, Stability of Case Folding (B.14.2), UTC #103 Minutes, 2005-08-26 | |||||
N2953 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., 7.4.6, 8.2.3, Unconfirmed minutes of WG 2 meeting 47, Sophia Antipolis, France; 2005-09-12/15, 2006-02-16 | |||||
5.1 | U+214F | 1 | L2/06-245 | N3217 (頁面存檔備份,存於互聯網檔案館) | Hudson, John; et al, Proposal to encode Samaritan Text symbol, 2006-07-27 | |
L2/06-324R2 | Moore, Lisa, Consensus 109-C25, UTC #109 Minutes, 2006-11-29 | |||||
L2/07-268 | N3253 (pdf, doc (頁面存檔備份,存於互聯網檔案館)) | Umamaheswaran, V. S., M50.17, Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27, 2007-07-26 | ||||
參見
參考資料
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- ^ Chapter 22: Symbols. The Unicode Standard, Version 14.0 (PDF). Mountain View, CA: Unicode, Inc. 2021-09 [2022-06-09]. ISBN 978-1-936213-29-0. (原始內容 (PDF)存檔於2022-05-23).
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- ^ Unicode Character Database: Standardized Variation Sequences. The Unicode Consortium. [2022-06-09]. (原始內容存檔於2021-02-09).}
- ^ UTR #51: Unicode Emoji. Unicode Consortium. 2019-02-04 [2022-06-09]. (原始內容存檔於2020-06-30).
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