U+20E0 Combining Enclosing Circle Backslash
U+20E0 was added in Unicode version 1.1 in 1993. It belongs to the block
This character is a Enclosing Mark and inherits its
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+20E0 prohibits a line break before it. The glyph can be confused with 2 other glyphs.
For a discussion about the origins of this specific design see this answer on history.stackexchange. It pinpoints it to a meeting in 1931 in the context of the Geneva Convention Concerning the Unification of Road Signs.
The Wikipedia has the following information about this codepoint:
The general prohibition sign, also known informally as the no symbol, 'do not' sign, circle-backslash symbol, nay, interdictory circle, prohibited symbol, don't do it symbol, or universal no, is a red circle with a 45-degree diagonal line inside the circle from upper-left to lower-right. It is typically overlaid on a pictogram to warn that an activity is not permitted, or has accompanying text to describe what is prohibited.
Representations
| System | Representation |
|---|---|
| Nº | 8416 |
| UTF-8 | E2 83 A0 |
| UTF-16 | 20 E0 |
| UTF-32 | 00 00 20 E0 |
| URL-Quoted | %E2%83%A0 |
| HTML hex reference | ⃠ |
| Wrong windows-1252 Mojibake | ◌⃠|
| Encoding: GB18030 (hex bytes) | 81 36 B8 33 |
Related Characters
Confusables
Elsewhere
Complete Record
| Property | Value |
|---|---|
| 1.1 (1993) | |
| COMBINING ENCLOSING CIRCLE BACKSLASH | |
| ENCLOSING CIRCLE SLASH | |
| Combining Diacritical Marks for Symbols | |
| Enclosing Mark | |
| Inherited | |
| Nonspacing Mark | |
| Not Reordered | |
| none | |
|
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|
| ✘︎ | |
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| ✘︎ | |
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| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✔︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
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|
| Extend | |
| ✘︎ | |
| ✔︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| 0 | |
| 0 | |
| 0 | |
| ✘︎ | |
| Extend | |
| — | |
| NA | |
| Other | |
| — | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| Yes | |
| Yes | |
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|
|
| Yes | |
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| Yes | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| Extend | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| Extend | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
| ✘︎ | |
|
|
|
| None | |
| neutral | |
| Not Applicable | |
| — | |
| No_Joining_Group | |
| Transparent | |
| Combining Mark | |
| none | |
| not a number | |
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| U |