.duel
1 claimant
1 primary
0 secondary
unambiguous primary
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.
118
total files
1
first seen 2021–2025 (0.8%)
2015
median year (half its files since)
Case variants in archive: .duel (101), .DUEL (15), .Duel (2) — aggregated above.
Attribution status
This extension is attributed to duel as primary by 1 authoritative claim.
Authoritative sources: ✗ Linguist · no claim ✓ Pygments ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.duel among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| duel | pygments | primary |
SWH-mined examples (0)
No archived examples for .duel in our local mirror yet.