{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-13T19:00:41.247Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC5645",
  "document": {
    "abstract": "This memo defines the procedure used to update the IANA Language Subtag Registry, in conjunction with the publication of RFC 5646, for use in forming tags for identifying languages. This memo provides information for the Internet community.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "authors": [
      {
        "name": "Doug Ewell"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docId": "RFC5645",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docLabel": "IETF RFC 5645",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docNumber": "5645",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docTitle": "Update to the Language Subtag Registry",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "doi": "10.17487/RFC5645",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "href": "https://doi.org/10.17487/RFC5645",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "keywords": [
      "Language Tags"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Language Tags",
        "Language Tagging",
        "Ltru",
        "Registry"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T19:00:41.247Z",
      "version": "extractDocs.js@commit:8ad844f404e0"
    },
    "pages": "13",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publicationDate": "2009-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "references": {
      "bibliographic": [
        "ISO.15924.2004",
        "ISO.3166-1.2006",
        "ISO.639-1.2002",
        "ISO.639-2.1998",
        "RFC1766",
        "RFC3066",
        "RFC4645",
        "RFC4646",
        "orphan/RFC5645/h:18815611"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=19 proseBlocks=20 skippedAnchorBlocks=18",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "normative": [
        "ISO.639-3.2007",
        "ISO.639-5.2008",
        "RFC5646",
        "ISO.639.2009",
        "ISO.639-5"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc5645/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
      "updated": "2026-10-13T18:22:38.598Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5645/",
        "updated": "2026-10-13T18:22:38.598Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    }
  }
}