{
  "schema": "vedokrok.public-item.v1",
  "release_id": "MHC-RPUB-20260920-75ad787a",
  "url": "/knowledge/keep-the-headers-attached-when-the-table-leaves-your-screen",
  "id": "MHC-D-RESEARCH-1109",
  "version": "0.1.0",
  "title": "Keep the headers attached when the table leaves your screen",
  "summary": "Bold text is not a relationship.",
  "kind": "protocol",
  "body": "Identify the row and column headers that give each value its meaning. Represent those associations semantically in the chosen format, and check the exported result separately. Keep complex headings only when the task genuinely needs them.",
  "limits": [
    "Complex tables may need a simpler alternative. A correct source document does not guarantee that an export preserves its structure."
  ],
  "topics": [
    "accessible-workflows-50"
  ],
  "intents": [],
  "source_ids": [
    "RS-4952EB9FEE9EB4C3"
  ],
  "evidence": [
    {
      "claim": "WAI table guidance uses semantic header and data-cell relationships so table structure is available beyond visual presentation.",
      "source_id": "RS-4952EB9FEE9EB4C3",
      "role": "supports",
      "note": "Complex tables and exports need format-specific verification; bold text is not a semantic header.",
      "locator": "Table structure and header associations."
    }
  ],
  "use_when": [
    "A table is readable visually but confusing with assistive technology or after export."
  ],
  "avoid_when": [
    "Complex tables may need a simpler alternative. A correct source document does not guarantee that an export preserves its structure."
  ],
  "example": "A status table must preserve both the business unit and reporting period for each value, not merely bold the top row.",
  "check": "Can a non-visual reader recover the relevant headers while moving through the table?",
  "steps": [
    "Name what a reader must know to interpret a data cell.",
    "Use appropriate header associations and a useful table description or caption.",
    "Inspect representative cells in the delivered format, including cells under grouped headings."
  ],
  "sources": [
    {
      "id": "RS-4952EB9FEE9EB4C3",
      "title": "Tables Tutorial",
      "url": "https://www.w3.org/WAI/tutorials/tables/"
    }
  ],
  "relations": [
    {
      "from": "MHC-D-RESEARCH-1109",
      "to": "MHC-D-RESEARCH-1102",
      "type": "useful_with",
      "url": "/knowledge/give-the-colour-a-second-way-to-speak"
    }
  ],
  "collections": [
    {
      "id": "RC-F151F4A278F577C4",
      "title": "Make the task usable across different ways of accessing it",
      "url": "/collections/make-the-task-usable-across-different-ways-of-accessing-it"
    }
  ]
}