Combining Diacritical Marks for Symbols

Combining Diacritical Marks for Symbols
Range U+20D0..U+20FF
(48 code points)
Plane BMP
Scripts Inherited
Assigned 33 code points
Unused 15 reserved code points
Unicode version history
1.0.0 18 (+18)
3.0 20 (+2)
3.2 27 (+7)
4.1 28 (+1)
5.0 32 (+4)
5.1 33 (+1)
Note: [1][2]

Combining Diacritical Marks for Symbols is a Unicode block containing arrows, dots, enclosures, and overlays for modifying symbol characters.

Block

Combining Diacritical Marks for Symbols[1][2]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+20Dx  ⃐  ⃑  ⃒  ⃓  ⃔  ⃕  ⃖  ⃗  ⃘  ⃙  ⃚  ⃛  ⃜  ⃝  ⃞  ⃟
U+20Ex  ⃠  ⃡  ⃢  ⃣  ⃤  ⃥  ⃦  ⃧  ⃨  ⃩  ⃪  ⃫  ⃬  ⃭  ⃮  ⃯
U+20Fx  ⃰
Notes
1.^ As of Unicode version 10.0
2.^ Grey areas indicate non-assigned code points

History

The following Unicode-related documents record the purpose and process of defining specific characters in the Combining Diacritical Marks for Symbols block:

Version Final code points[lower-alpha 1] Count L2 ID WG2 ID Document
1.0.0 U+20D0..20E1 18 (to be determined)
3.0 U+20E2..20E3 2 L2/97-206 N1668R Proposal to encode two symbols, 1998-02-13 
3.2 U+20E4 1 L2/98-056 McGowan, Rick; Sampson, Geoffrey (1998-02-23), Triangular Overlay Character 
L2/99-021 N1941 McGowan, Rick (1998-12-07), Request for Addition of Triangular Overlay Character 
L2/99-077.1 N1975 Irish Comments on SC 2 N 3210, 1999-01-20 
L2/99-096 N2004 "M36.19", Resolutions of SC2/WG2 meeting 36 in Fukuoka, March 9-15, 1999, 1999-03-18 
U+20E5..20E8 4 L2/00-119[lower-alpha 2] N2191R Whistler, Ken; Freytag, Asmus (2000-04-19), Encoding Additional Mathematical Symbols in Unicode 
U+20E9..20EA 2 L2/01-142[lower-alpha 2] N2336 Beeton, Barbara; Freytag, Asmus; Ion, Patrick (2001-04-02), Additional Mathematical Symbols 
L2/01-156 N2356 Freytag, Asmus (2001-04-03), Additional Mathematical Characters (Draft 10) 
L2/01-344 N2353 Umamaheswaran, V. S. (2001-09-09), Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001 
4.1 U+20EB 1 L2/03-194 N2590 Freytag, Asmus (2003-06-09), Additional Mathematical and Letterlike Characters 
L2/03-390 N2654R Umamaheswaran, V. S. (2003-10-23), "M44.5 g", Resolutions of WG 2 Meeting 44, Mountain View, CA, USA, 2003-10-20/23 
5.0 U+20EC..20EF 4 L2/04-406 Freytag, Asmus; Sargent, Murray; Beeton, Barbara; Carlisle, David (2004-11-15), Progress report on Mathematical Symbols 
L2/04-410 Freytag, Asmus (2004-11-18), Twenty six mathematical characters 
5.1 U+20F0 1 L2/07-011R N3198R Freytag, Asmus; Beeton, Barbara; Ion, Patrick; Sargent, Murray; Carlisle, David; Pournader, Roozbeh (2007-01-15), 29 Additional Mathematical and Symbol Characters 
  1. ↑ Proposed code points and characters names may differ from final code points and names
  2. 1 2 Refer to the history section of the Miscellaneous Mathematical Symbols-B block for additional math-related documents

See also

References

  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.
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