.4dc
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.
425
total occurrences
86
since 2019 (20.2%)
2000–2023
years active
Case variants in archive: .4DC (406), .4dc (18), .4Dc (1) — aggregated above.
Attribution status
This extension is attributed to 4D as primary by 1 authoritative claim.
Authoritative sources: ✗ Linguist · no claim ✗ Pygments · no claim ✓ Wikidata · Q238349 ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.4dc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| 4D | wikidata | primary |
SWH-mined examples (0)
No archived examples for .4dc in our local mirror yet.