U+20E0 Combining Enclosing Circle Backslash
U+20E0 was added in Unicode version 1.1 in 1993. It belongs to the block Combining Diacritical Marks for Symbols in the Basic Multilingual Plane.
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 (click value to copy) |
|---|---|
| Nº | |
| UTF-8 | |
| UTF-16 | |
| UTF-32 | |
| URL-Quoted | |
| HTML hex reference | |
| Wrong windows-1252 Mojibake | |
| Encoding: GB18030 (hex bytes) | |
| RFC 5137 | |
Bash and Zsh inside echo -e | |
| C and C++ | |
| C# | |
| CSS | |
| Excel | |
| Go | |
| JavaScript | |
| Modern JavaScript since ES6 | |
| JSON | |
| Java | |
| Lua | |
| Matlab | |
| Perl | |
| PHP | |
| PostgreSQL | |
| PowerShell | |
| Python | |
| Ruby | |
| Rust | |
| Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.) | |
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 | |
| Combining Enclosing Circle Backslash | |
| ✘ | |
| Combining Enclosing Circle Backslash | |
| Combining Enclosing Circle Backslash | |
| ✘ | |
| Combining Enclosing Circle Backslash | |
| Combining Enclosing Circle Backslash | |
| Combining Enclosing Circle Backslash | |
| Combining Enclosing Circle Backslash | |
| Combining Enclosing Circle Backslash | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Combining Enclosing Circle Backslash | |
| Extend | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| 0 | |
| 0 | |
| 0 | |
| ✘ | |
| Extend | |
| — | |
| NA | |
| Other | |
| — | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Yes | |
| Yes | |
| Combining Enclosing Circle Backslash | |
| Yes | |
| Combining Enclosing Circle Backslash | |
| Yes | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Extend | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Extend | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Combining Enclosing Circle Backslash | |
| None | |
| neutral | |
| Not Applicable | |
| — | |
| No_Joining_Group | |
| Transparent | |
| Combining Mark | |
| none | |
| not a number | |
| Combining Enclosing Circle Backslash | |
| U |