.csdef

1 claimant 0 primary 1 secondary secondary-only

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.

19.3K
total occurrences
786
since 2019 (4.1%)
2009–2022
years active

Attribution status

This extension is attributed to xml — every claim across all sources (including secondary ones) points to a single language.

Authoritative sources: △ Linguist · secondary ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (1)

Languages that list .csdef among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
xmllinguistsecondary

Wikidata says… (1)

File formats, image formats, audio codecs and other non-PL entities that claim .csdef 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.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
Azure Service Definition schema Q105850325
file format
file formattext/xmlUse as new PL ↗

SWH-mined examples (0)

No archived examples for .csdef in our local mirror yet.

Need an archived example for this extension?
No verbatim file with extension .csdef in our local SWH mirror yet. Submit a sample-mining request and a maintainer will run swh_extension_mining.py against the live archive for this extension; samples land here once the run completes.
(or open the pre-filled issue directly)