{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-13T17:23:28.792Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC4645",
  "document": {
    "abstract": "This memo defined the initial contents of the IANA Language Subtag Registry for use in forming tags for the identification of languages. Since the contents of this memo only served as a starting point for the registry, its actual contents have been removed before publication to avoid confusion. This memo provides information for the Internet community.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "authors": [
      {
        "name": "Doug Ewell"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "docId": "RFC4645",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.791Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "docLabel": "IETF RFC 4645",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "docNumber": "4645",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "docTitle": "Initial Language Subtag Registry",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "doi": "10.17487/RFC4645",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "href": "https://doi.org/10.17487/RFC4645",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "keywords": [
      "IANA"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "pages": "7",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "publicationDate": "2006-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "references": {
      "bibliographic": [
        "ISO.15924.2004",
        "ISO.3166.1988",
        "ISO.639-1.2002",
        "ISO.639-2.1998",
        "RFC1766",
        "RFC3066",
        "orphan/RFC4645/h:a2b7e711",
        "orphan/RFC4645/h:8d9519d0"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=10 proseBlocks=11 skippedAnchorBlocks=9",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      },
      "normative": [
        "RFC4646"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc4645/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
      "updated": "2026-10-13T17:23:28.792Z",
      "version": "extractDocs.js@commit:996495349225"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4645/",
        "updated": "2026-10-13T17:23:28.792Z",
        "version": "extractDocs.js@commit:996495349225"
      }
    }
  }
}