Bảng mã ký tự hay dùng :))) trong html

  | shortcut  | html          | entity   | desc                       |
  | :-------- | :------       | :-----   | :------                    |
  | :nb       | ` `      |     | no break space             |
  | :a        | `&`       | &    | ampersand                  |
  | :c        | `©`      | ©   | copyright mark             |
  | :r        | `®`       | ®    | registration mark          |
  | :t        | `™`     | ™  | trademark                  |
  | :m        | `—`     | —  | m-dash                     |
  | :n        | `–`     | –  | n-dash                     |
  | :s        | `§`      | §   | section                    |
  | :'        | `'`       | '    | apostraphe                 |
  | :h        | `‐`    | ‐  | hyphen                     |
  | :v        | `|`      | |   | vertical bar               |
  | :b        | `•`      | •   | bullet point               |
  | :at       | `@`    | @    | at symbol                  |
  | :e        | `…`    | … | ellipses                   |
  | :in       | `∞`     | ∞  | infinity symbol            |
  | :ch       | `✓` | ✓ | checkmark                  |
  | :d        | `†`    | † | dagger                     |
  | :dd       | `‡`   | ‡| double dagger              |
  | :lt       | `<`        | <     | less than                  |
  | :gt       | `>`        | >     | greater than               |
  | :ls       | `‘`     | ‘  | left single quote          |
  | :rs       | `’`     | ’  | right single quote         |
  | :lq       | `“`     | “  | left double quote          |
  | :rq       | `”`     | ”  | right double quote         |
  | :\        | `‹`    | ‹ | left single angle bracket  |
  | :/        | `›`    | › | right single angle bracket |
  | :\\\\     | `«`     | «  | left double angle bracket  |
  | ://       | `»`     | »  | right double angle bracket |
  | :12       | `½`    | ½ | fractions                  |

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