---
Appearance
---, a string of three hyphen-minus characters, may refer to:
- Em dash (—) (as an approximation, or e.g. in TeX syntax)
- Horizontal rule (thematic break) in some markup languages (e.g. Markdown)
- Document separator in YAML
- 'O' letter in Morse code
See also
[edit]Look up --- in Wiktionary, the free dictionary.