.xhtFrom 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.
Case variants in archive: .xht (240.1K), .xHt (1), .XHT (1) — aggregated above.
This extension is attributed to HTML — every claim across all sources (including secondary ones) points to a single language.
.xht among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| HTML | linguist | secondary |
.xht 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 |
|---|---|---|---|---|---|
| Extensible HyperText Markup Language Q166074 markup language which places HTML in XML form | technical standard; XML-based format | data:xml-like | application/xhtml+xml | — | Use as new PL ↗ |
| HyperText Markup Language Q62626012 file format | file format | — | text/html | — | Use as new PL ↗ |