.n
4 claimants
3 primary
1 secondary
shared primary (3)
SWH popularity
Distinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.
252.0K
total files
34.9K
first seen 2021–2025 (13.9%)
2014
median year (half its files since)
Case variants in archive: .n (249.0K), .N (2.9K) — aggregated above.
Attribution status
This extension is attributed to Ezhil; Neko; Nemerle as primary by 4 authoritative claims.
Claimants (7)
Languages that list
.n among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Ezhil | pygments | primary |
| Neko | wikidata | primary |
| Nemerle | linguist | primary |
| Nemerle | pygments | primary |
| Roff | linguist | secondary |
| Ezhil | wikipedia | proposed |
| Nemerle | wikipedia | proposed |
Wikidata says… (3)
File formats, image formats, audio codecs and other non-PL
entities that claim
.n on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| Ezhil file format Q129167658 file format | file format | — | text/x-ezhil | — | Use as new PL ↗ |
| Neko bytecode Q105866967 file format | file format | — | — | — | Use as new PL ↗ |
| Nemerle source code file Q126951686 file format | file format | — | text/x-nemerle | — | Use as new PL ↗ |
Disambiguation rules (2)
Linguist heuristics that decide, by content, which language a
.n file actually is.| Rule | Predicts | Kind | Predicates (truncated) | Measured on SWH |
|---|---|---|---|---|
h/linguist/.n/0 | Roff | predicates | [{"kind": "any", "regexes": ["^[.']"]}] | |
h/linguist/.n/1 | Nemerle | predicates | [{"kind": "any", "regexes": ["^(module|namespace|using)\\s"]}] |
SWH-mined examples (0)
No archived examples for .n in our local mirror yet.