.p4
1 claimant
1 primary
0 secondary
unambiguous primary
SWH popularity
From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
116.1K
total occurrences
35.1K
since 2019 (30.3%)
1999–2023
years active
Case variants in archive: .p4 (115.9K), .P4 (117) — aggregated above.
Attribution status
This extension is attributed to P4 as primary by 1 authoritative claim.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim △ Wikipedia · secondary
Claimants (2)
Languages that list
.p4 among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| P4 | linguist | primary |
| P4 | wikipedia | proposed |
SWH-mined examples (0)
No archived examples for .p4 in our local mirror yet.