{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-09T19:40:58.710Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC1556",
  "document": {
    "abstract": "This document describes the format and syntax of the \"direction\" keyword to be used with bi-directional texts in MIME. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "authors": [
      {
        "name": "Hank H. Nussbacher"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "docId": "RFC1556",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "docLabel": "IETF RFC 1556",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "docNumber": "1556",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "docTitle": "Handling of Bi-directional Texts in MIME",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "doi": "10.17487/RFC1556",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "href": "https://doi.org/10.17487/RFC1556",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "keywords": [
      "Character Set"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.710Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "pages": "3",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "publicationDate": "1993-12-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.709Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "references": {
      "bibliographic": [
        "ISO.6429.1992",
        "ISO.8859-6.1988",
        "ISO.8859-8.1988",
        "RFC822",
        "RFC1521",
        "RFC1522",
        "orphan/RFC1556/h:de3792be"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=6 proseBlocks=9 skippedAnchorBlocks=8",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
        "updated": "2026-10-09T19:40:58.710Z",
        "version": "extractDocs.js@commit:83a3bfbb26ee"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc1556/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
      "updated": "2026-10-09T19:40:58.710Z",
      "version": "extractDocs.js@commit:83a3bfbb26ee"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
        "updated": "2026-10-09T19:40:58.710Z",
        "version": "extractDocs.js@commit:83a3bfbb26ee"
      },
      "errataExist": false,
      "errataExist$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/rfc1556/",
        "updated": "2026-10-09T19:40:58.710Z",
        "version": "extractDocs.js@commit:83a3bfbb26ee"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
        "updated": "2026-10-09T19:40:58.710Z",
        "version": "extractDocs.js@commit:83a3bfbb26ee"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
        "updated": "2026-10-09T19:40:58.710Z",
        "version": "extractDocs.js@commit:83a3bfbb26ee"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc1556/",
        "updated": "2026-10-09T19:40:58.710Z",
        "version": "extractDocs.js@commit:83a3bfbb26ee"
      }
    }
  }
}