Khmer (Unicode block)

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(128 code points)
Major alphabetsCambodian
Assigned114 code points
Unused14 reserved code points
2 deprecated
Unicode version history
3.0103 (+103)
4.0114 (+11)
Note: [1][2]

Khmer is a Unicode block containing characters for writing the Khmer, or Cambodian, language. For details of the characters, see Khmer alphabet – Unicode.


Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+17Bx  KIV 
U+17Dx  ្ 
1.^ As of Unicode version 12.0
2.^ Grey areas indicate non-assigned code points
3.^ U+17A3 and U+17A4 are deprecated as of Unicode versions 4.0 and 5.2 respectively


The following Unicode-related documents record the purpose and process of defining specific characters in the Khmer block:

Version Final code points[a] Count L2 ID WG2 ID Document
3.0 U+1780..17DC, 17E0..17E9 103 L2/97-040 N1524 Everson, Michael (1997-01-22), Proposal for encoding the Khmer script in ISO 10646
L2/97-194 Bauhahn, Maurice (1997-07-30), Proposal for Encoding of the Khmer Script
L2/97-255R Aliprand, Joan (1997-12-03), "Khmer [L2/194]", Approved Minutes - UTC #73 & L2 #170 joint meeting, Palo Alto, CA - August 4-5, 1997
L2/98-039 Aliprand, Joan; Winkler, Arnold (1998-02-24), "3.A.2. Khmer", Preliminary Minutes - UTC #74 & L2 #171, Mountain View, CA - December 5, 1997
L2/98-101 N1729 Ad-hoc report on Burmese and Khmer, 1998-03-18
L2/98-175 N1779 Text for PDAM registration and consideration ballot for ISO 10646-1 Amendment 25 - Khmer, 1998-05-11
N1825 Paterson, Bruce (1998-05-11), PDAM25 - Khmer cover sheet
N1825.1 Paterson, Bruce (1998-05-11), PDAM25 - Khmer full text
L2/98-158 Aliprand, Joan; Winkler, Arnold (1998-05-26), "Khmer", Draft Minutes - UTC #76 & NCITS Subgroup L2 #173 joint meeting, Tredyffrin, Pennsylvania, April 20-22, 1998
L2/98-286 N1703 Umamaheswaran, V. S.; Ksar, Mike (1998-07-02), "8.17", Unconfirmed Meeting Minutes, WG 2 Meeting #34, Redmond, WA, USA; 1998-03-16--20
L2/98-324 N1901 ISO/IEC 10646-1/FPDAM 25, AMENDMENT 25: Khmer, 1998-10-23
L2/98-341 Disposition of comments report on SC2 N3105, ISO 10646 Amd. 25: Khmer, 1998-10-23
N1911 Paterson, Bruce; Everson, Michael (1998-10-23), Text of FPDAM 25 - Khmer - SC2 N3201
L2/99-010 N1903 (pdf, html, doc) Umamaheswaran, V. S. (1998-12-30), "6.7.8", Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25
L2/99-128 Paterson, Bruce (1999-04-14), Text for FDAM ballot ISO/IEC 10646 FDAM #25 - Khmer
L2/99-232 N2003 Umamaheswaran, V. S. (1999-08-03), "6.2.8 FPDAM25 – Khmer script", Minutes of WG 2 meeting 36, Fukuoka, Japan, 1999-03-09--15
L2/00-009 N2149 Sato, T. K. (2000-01-05), Khmer Up-Date
L2/00-056 N2164 Sato, T. K. (2000-02-23), AMD-25 (Khmer) correction request
L2/00-109 Suignard, Michel (2000-04-06), Corrections to Khmer character tables in 10646 and Unicode
L2/00-234 N2203 (rtf, txt) Umamaheswaran, V. S. (2000-07-21), "8.1", Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24
L2/00-338 N2274 Working Draft of Tables & Character Names for Editorial correction to Khmer for 10646-1:2000, 2000-09-19
L2/01-307 Whistler, Ken (2001-08-06), Serious bug in Khmer, Myanmar combining classes
L2/01-308 Hosken, Martin; Whistler, Ken (2001-08-08), Serious bug in Khmer, Myanmar combining classes
L2/01-310 McGowan, Rick; Whistler, Ken (2001-08-12), Khmer issues on the Horizon
L2/01-372 N2380 Cambodian official objection to the existing Khmer block in UCS, 2001-10-08
L2/01-382 N2385 Bauhahn, Maurice; Everson, Michael (2001-10-11), Response to Cambodian official objection to Khmer block (N2380)
L2/01-421 N2380R Cambodian official objection to the existing Khmer block in UCS, 2001-10-14
L2/01-394 Phu, Leewood (2001-10-17), Letter from Cambodia to JTC 1 Chairman Regarding Khmer Character Encoding in ISO/IEC 10646
L2/01-443 N2406 Response to WG2 Document N2385, 2001-10-11, 2001-11-04
L2/01-476 Karlsson, Kent (2001-12-19), Ordering rules for Khmer
L2/02-016 Whistler, Ken (2002-01-14), Character Properties for repetition marks
L2/02-017 Whistler, Ken (2002-01-14), Character Properties for avagrahas, etc.
L2/02-073 Davis, Mark (2002-02-08), Cambodian
L2/02-097 Chea, Sok Huor; Lao, Kim Leang; Harada, Shiro; Klein, Norbert (2002-02-13), Proposal to deprecate Khmer characters
L2/02-131 N2412 Everson, Michael (2002-03-31), On the suitability of the COENG encoding model for Khmer
L2/02-154 N2403 Umamaheswaran, V. S. (2002-04-22), "5.1", Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2001-10-15/19
L2/02-196 N2458 Harada, Shiro (2002-05-03), On the Unsuitability of "COENG encoding model" for Khmer
L2/02-211 N2459 Cambodian stance regarding Khmer code table in Unicode 3.2, 2002-05-14
N2459R Revised Cambodian stance regarding Khmer code table in Unicode, 2002-05-20
L2/02-166R2 Moore, Lisa (2002-08-09), "Consensus 91-C5", UTC #91 Minutes, Leave the ROBAT as it is in the standard today (do not deprecate) and document its use appropriately.
L2/02-070 Moore, Lisa (2002-08-26), "Consensus 90-C1, Consensus 90-C2, and Motion 90-M9", Minutes for UTC #90
L2/03-430 Davis, Mark (2003-11-10), Problem with Khmer / ZWJ / ZWNJ
L2/10-416R Moore, Lisa (2010-11-09), "Properties of Two Khmer Characters (B.10.3) [U+17B4 and U+17B5]", UTC #125 / L2 #222 Minutes
4.0 U+17DD, 17F0..17F9 11 L2/02-083 Nelson, Paul (2001-12-02), Response and Proposal for Khmer Encoding
L2/02-100 Chea, Sok Huor; Lao, Kim Leang; Harada, Shiro; Klein, Norbert (2002-02-13), Proposal to add missing Khmer characters
L2/02-070 Moore, Lisa (2002-08-26), "Consensus 90-C23", Minutes for UTC #90
L2/16-163 Pournader, Roozbeh (2015-05-12), Additions to Indic Syllabic Category for Myanmar and Khmer
  1. ^ Proposed code points and characters names may differ from final code points and names

See also[edit]


  1. ^ "Unicode character database". The Unicode Standard. Retrieved 2016-07-09.
  2. ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2016-07-09.