| 版本 | 
最終碼位[a] | 
碼位數 | 
L2 ID | 
WG2 ID | 
文件
 | 
| 1.1 | 
U+FE20..FE23 | 
4 | 
 | 
 | 
(待考)
 | 
| 5.1 | 
U+FE24..FE26 | 
3 | 
L2/07-085R | 
N3222R (頁面存檔備份,存於互聯網檔案館) | 
Everson, Michael; Emmel, Stephen; Marjanen, Antti; Dunderberg, Ismo; Baines, John; Pedro, Susana; Emiliano, António, Proposal to add additional characters for Coptic and Latin in the UCS, 2007-03-15
 | 
| L2/07-150 | 
 | 
Whistler, Ken, G, WG2 Consent Docket, 2007-05-10
 | 
| 7.0 | 
U+FE27..FE2D | 
7 | 
L2/08-392 | 
 | 
Pentzlin, Karl, Proposal to encode a combining diacritical mark for Low German dialect writing, 2008-10-25
 | 
| L2/09-028 | 
N3571 (頁面存檔備份,存於互聯網檔案館) | 
Ruppel, Klaas; Aalto, Tero; Everson, Michael, Proposal to encode additional characters for the Uralic Phonetic Alphabet, 2009-01-27
 | 
| L2/09-281 | 
 | 
Anderson, Deborah, COMBINING TRIPLE INVERTED BREVE and other triple-length combining marks, 2009-08-06
 | 
| L2/10-353 | 
N3915 (頁面存檔備份,存於互聯網檔案館) | 
Pentzlin, Karl, Preliminary Proposal to enable the use of Combining Triple Diacritics in Plain Text, 2010-09-23
 | 
| L2/11-224 | 
N4078 (頁面存檔備份,存於互聯網檔案館) | 
Proposal to enable the use of Combining Triple Diacritics in Plain Text, 2011-05-22
 | 
| L2/11-296R | 
N4131 (頁面存檔備份,存於互聯網檔案館) | 
Everson, Michael, Proposal for encoding the Caucasian Albanian script in the SMP of the UCS, 2011-10-28
 | 
 | 
N4243 (頁面存檔備份,存於互聯網檔案館) | 
Everson, Michael; Gippert, Jost, Documentation for Two Characters FE2B and FE2C for Caucasian Albanian (N4131R), 2012-02-14
 | 
| L2/12-098 | 
N4254 (頁面存檔備份,存於互聯網檔案館) | 
M59.01 e, WG2 Resolutions, 2012-02-17
 | 
| L2/12-112 | 
 | 
Moore, Lisa, 131-C22, UTC #131 / L2 #228 Minutes, 2012-05-17
 | 
| 8.0 | 
U+FE2E..FE2F | 
2 | 
L2/13-164 | 
 | 
Cleminson, Ralph; Birnbaum, David, Feedback from Experts on Cyrillic proposals, 2013-07-25
 | 
| L2/13-139 | 
N4475 (頁面存檔備份,存於互聯網檔案館) | 
Andreev, Aleksandr; Shardt, Yuri; Simmons, Nikita, Proposal to Encode Combining Half Marks Used for Cyrillic Supralineation in Unicode, 2013-08-07
 | 
| 
 |