CJK Compatibility Ideographs Supplement
Unicode block (U+2F800-2FA1F)

CJK Compatibility Ideographs Supplement is a Unicode block containing Han characters used only for roundtrip compatibility mapping with planes 3, 4, 5, 6, 7, and 15 of CNS 11643-1992.
Begin with the source’s own compact description: “CJK Compatibility Ideographs Supplement” is unicode block (U+2F800-2FA1F). The dossier treats that line as a proposition to test through Compatibility, Ideographs and Supplement, not as a finished interpretation.
Why this record matters
The phrase “unicode block (U+2F800-2FA1F)” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 15, 2026. The linked authority identifier is Q2493862. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1992.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “CJK Compatibility Ideographs Supplement”, its source revision and the description used here.
- Expand the search: follow CJK Compatibility Ideographs Supplement primary sources, CJK Compatibility Ideographs Supplement archive and Compatibility research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “CJK Compatibility Ideographs Supplement”?
- What terminology or title could unlock a more precise catalogue search?
- Which cited source is closest to the event, object or claim?
Search terms from this dossier
This entry incorporates text from “CJK Compatibility Ideographs Supplement” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.