​ | ​ | | ​ | ​ | '\u200b' | zero width space | →​← |
​ | ​ | | ​ | ​ | '\u200b' | zero width space | →​← maps to ​ |
​ | ​ | | ​ | ​ | '\u200b' | zero width space | →​← maps to ​ |
​ | ​ | | ​ | ​ | '\u200b' | zero width space | →​← maps to ​ |
  |   | |   |   | '\u00a0' | non-breaking space | → ←normally code as html4 |
   |    | |    |    | '\u205f''\u200a' | thick space | →  ← |
  |   | |   |   | '\u2009' | thin space | → ←normally use html4   |
  |   | |   |   | '\u200a' | hair space | → ← |
​ | ​ | | ​ | ​ | '\u200b' | zero width space | →​← |
  |   | |   |   | '\u2004' | three-per-em space | → ← |
  |   | |   |   | '\u2005' | four-per-em space | → ← |
|   | |   |   | '\u2003' | em space | → ← |
|   | |   |   | '\u2002' | en space | → ← |
  |   | |   |   | '\u200a' | hair space | → ← |
| | |   |   | '\u00a0' | non-breaking space | → ← |
  |   | |   |   | '\u2007' | figure space | → ← |
  |   | |   |   | '\u2008' | punctuation space | → ← |
|   | |   |   | '\u2009' | thin space | → ← |