拉丁字母擴展-C
歷史

以下Unicode文檔記錄了定義本區塊中特定字符的目的與過程：
| 版本 | 最終碼位 | 碼位数 | L2（英语：） ID | WG2（英语：） ID | 文檔 |
| --- | --- | --- | --- | --- | --- |
| 5.0 | U+2C60..2C64 | 5 | L2/04-372R | N2847R （页面存档备份，存于） | Priest, Lorna, , 2004-12-09  |
| 5.0 | U+2C65..2C66 | 2 | L2/05-076 |  | Davis, Mark, , 2005-02-10  |
| 5.0 | U+2C65..2C66 | 2 |  | N2942 （页面存档备份，存于） | Freytag, Asmus; Whistler, Ken, , 2005-08-12  |
| 5.0 | U+2C65..2C66 | 2 | L2/05-108R |  | Moore, Lisa, , , 2005-08-26  |
| 5.0 | U+2C65..2C66 | 2 | L2/05-270 |  | Whistler, Ken, , , 2005-09-21  |
| 5.0 | U+2C65..2C66 | 2 | L2/05-279 |  | Moore, Lisa, , , 2005-11-10  |
| 5.0 | U+2C65..2C66 | 2 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.0 | U+2C67..2C6C | 6 | L2/05-029R | N2931 （页面存档备份，存于） | Priest, Lorna, , 2005-01-28  |
| 5.0 | U+2C67..2C6C | 6 | L2/05-026 |  | Moore, Lisa, , , 2005-05-16  |
| 5.0 | U+2C67..2C6C | 6 | L2/05-263 | N2992 （页面存档备份，存于） | , 2005-09-21  |
| 5.0 | U+2C67..2C6C | 6 | L2/05-270 |  | Whistler, Ken, , , 2005-09-21  |
| 5.0 | U+2C67..2C6C | 6 | L2/05-279 |  | Moore, Lisa, , , 2005-11-10  |
| 5.0 | U+2C67..2C6C | 6 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.0 | U+2C74 | 1 | L2/04-246R |  | Priest, Lorna, , 2004-07-26  |
| 5.0 | U+2C74 | 1 | L2/04-316 |  | Moore, Lisa, , , 2004-08-19  |
| 5.0 | U+2C74 | 1 | L2/04-348 | N2906 （页面存档备份，存于） | Priest, Lorna, , 2004-08-23  |
| 5.0 | U+2C74 | 1 | L2/05-180 |  | Moore, Lisa, , , 2005-08-17  |
| 5.0 | U+2C74 | 1 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.0 | U+2C75..2C76 | 2 | L2/05-183 | N2957 （页面存档备份，存于） | Everson, Michael; Haugen, Odd Einar; Emiliano, António; Pedro, Susana; Grammel, Florian; Baker, Peter; Stötzner, Andreas; Dohnicht, Marcus; Luft, Diana, , 2005-08-02  |
| 5.0 | U+2C75..2C76 | 2 | L2/05-191 |  | Whistler, Ken, , 2005-08-02  |
| 5.0 | U+2C75..2C76 | 2 | L2/05-193R2 | N2960R （页面存档备份，存于） | Everson, Michael, , 2005-08-12  |
| 5.0 | U+2C75..2C76 | 2 | L2/05-180 |  | Moore, Lisa, , , 2005-08-17  |
| 5.0 | U+2C75..2C76 | 2 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.0 | U+2C77 | 1 | L2/05-189 | N2958 （页面存档备份，存于） | Lehtiranta, Juhani; Ruppel, Klaas; Suutari, Toni; Trosterud, Trond, , 2005-07-22  |
| 5.0 | U+2C77 | 1 | L2/05-261 | N2989 （页面存档备份，存于） | Ruppel, Klaas; Kolehmainen, Erkki I.; Everson, Michael; Freytag, Asmus; Whistler, Ken, , 2005-09-13  |
| 5.0 | U+2C77 | 1 | L2/05-270 |  | Whistler, Ken, , , 2005-09-21  |
| 5.0 | U+2C77 | 1 | L2/05-279 |  | Moore, Lisa, , , 2005-11-10  |
| 5.0 | U+2C77 | 1 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.1 | U+2C6D..2C6E, 2C72..2C73 | 4 |  | N2945 （页面存档备份，存于） | Priest, Lorna; Constable, Peter, , 2005-08-09  |
| 5.1 | U+2C6D..2C6E, 2C72..2C73 | 4 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.1 | U+2C6D..2C6E, 2C72..2C73 | 4 |  | N3103 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-08-25  |
| 5.1 | U+2C6F | 1 | L2/06-266 | N3122 （页面存档备份，存于） | Everson, Michael, , 2006-08-06  |
| 5.1 | U+2C6F | 1 | L2/06-231 |  | Moore, Lisa, , , 2006-08-17  |
| 5.1 | U+2C6F | 1 |  | N3153 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2007-02-16  |
| 5.1 | U+2C71 | 1 | L2/05-208 |  | Constable, Peter; Esling, John, , 2005-08-02  |
| 5.1 | U+2C71 | 1 |  | N2945 （页面存档备份，存于） | Priest, Lorna; Constable, Peter, , 2005-08-09  |
| 5.1 | U+2C71 | 1 |  | N2953 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-02-16  |
| 5.1 | U+2C71 | 1 |  | N3103 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-08-25  |
| 5.1 | U+2C71 | 1 | L2/18-324 |  | Chan, Eiso, , 2018-11-02  |
| 5.1 | U+2C71 | 1 | L2/19-047 |  | Anderson, Deborah;  et al, , , 2019-01-13  |
| 5.1 | U+2C71 | 1 | L2/19-008 |  | Moore, Lisa, , , 2019-02-08  |
| 5.1 | U+2C78..2C7A | 3 | L2/06-036 | N3031 （页面存档备份，存于）, N3031-1, N3031-2 | Lemonen, Therese; Ruppel, Klaas; Kolehmainen, Erkki I.; Sandström, Caroline, , 2006-01-26  |
| 5.1 | U+2C78..2C7A | 3 | L2/06-008R2 |  | Moore, Lisa, , , 2006-02-13  |
| 5.1 | U+2C78..2C7A | 3 | L2/06-108 |  | Moore, Lisa, , , 2006-05-25, Accept the name change for U+2C7A LATIN SMALL LETTER O WITH LOW RING INSIDE.  |
| 5.1 | U+2C78..2C7A | 3 |  | N3103 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-08-25  |
| 5.1 | U+2C78..2C7A | 3 | L2/07-118R2 |  | Moore, Lisa, , , 2007-05-23, Approve 1 character name change: 2C78 LATIN SMALL LETTER E WITH NOTCH  |
| 5.1 | U+2C78..2C7A | 3 | L2/07-268 | N3253 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2007-07-26, 2C78 is renamed LATIN SMALL LETTER E WITH NOTCH  |
| 5.1 | U+2C7B..2C7D | 3 | L2/06-215 | N3070 （页面存档备份，存于） | Ruppel, Klaas; Rueter, Jack; Kolehmainen, Erkki I., , 2006-04-07  |
| 5.1 | U+2C7B..2C7D | 3 | L2/06-108 |  | Moore, Lisa, , , 2006-05-25  |
| 5.1 | U+2C7B..2C7D | 3 |  | N3103 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2006-08-25  |
| 5.1 | U+2C7B..2C7D | 3 | L2/11-043 |  | Freytag, Asmus; Karlsson, Kent, , 2011-02-02  |
| 5.1 | U+2C7B..2C7D | 3 | L2/11-016 |  | Moore, Lisa, , , 2011-02-15  |
| 5.1 | U+2C7B..2C7D | 3 | L2/11-160 |  | , 2011-05-02  |
| 5.2 | U+2C70 | 1 | L2/07-334R2 | N3447 （页面存档备份，存于） | Priest, Lorna, , 2007-10-15  |
| 5.2 | U+2C70 | 1 | L2/07-345 |  | Moore, Lisa, , , 2007-10-25  |
| 5.2 | U+2C70 | 1 | L2/08-318 | N3453 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2008-08-13  |
| 5.2 | U+2C7E..2C7F | 2 | L2/03-190R |  | Constable, Peter, , 2003-06-08  |
| 5.2 | U+2C7E..2C7F | 2 | L2/07-334R2 | N3447 （页面存档备份，存于） | Priest, Lorna, , 2007-10-15  |
| 5.2 | U+2C7E..2C7F | 2 | L2/07-345 |  | Moore, Lisa, , , 2007-10-25  |
| 5.2 | U+2C7E..2C7F | 2 | L2/08-318 | N3453 (pdf, doc （页面存档备份，存于）) | Umamaheswaran, V. S., , , 2008-08-13  |
 ↑  建議的碼位和字符名稱可能與最終的結果不同。