This is the Unicode character INTERLINEAR ANNOTATION ANCHOR, code point U+FFF9 (decimal 65529) in the Specials block, added in Unicode 3.0. In HTML write , and in UTF-8 it is the 3 bytes EF BF B9.
Codes
| Where | How to write it |
|---|---|
| Code point | U+FFF9 |
| Decimal | 65529 |
| UTF-8 bytes | EF BF B9 |
| UTF-16 (big-endian) | FFF9 |
| UTF-32 | 0000FFF9 |
| HTML decimal |  |
| HTML hex |  |
| CSS | \FFF9 |
| JavaScript | \uFFF9 |
| JSON | \uFFF9 |
| Python | \uFFF9 |
| Python by name | \N{INTERLINEAR ANNOTATION ANCHOR} |
| Java, C# | \uFFF9 |
| Rust, Swift | \u{FFF9} |
| Go, C, C++ | \uFFF9 |
| URL (percent-encoded) | %EF%BF%B9 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | INTERLINEAR ANNOTATION ANCHOR |
| Code point | U+FFF9 (decimal 65529) |
| Block | Specials (U+FFF0–U+FFFF) |
| General category | Cf: Format character |
| Script | Common |
| Bidirectional class | ON: Other neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.0 |
Nearby in Specials
- U+FFFA Interlinear Annotation Separator
- U+FFFB Interlinear Annotation Terminator
-  U+FFFC Object Replacement Character
- � U+FFFD Replacement Character
All 5 characters: Specials.
Official reference
Questions people ask
- What is the HTML code for INTERLINEAR ANNOTATION ANCHOR?
- Use  (decimal) or  (hex).
- What is the UTF-8 encoding of U+FFF9?
- EF BF B9 (hex), 3 bytes. In a URL it is %EF%BF%B9.
- How do I write U+FFF9 in JavaScript or Python?
- JavaScript: \uFFF9. Python: \uFFF9.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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