{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "description": "The markdown block (content). Reads: the first row of `source`, when the Markdown is not written inline. Shape: one row with a text `column` of Markdown.",
  "properties": {
    "markdown": {
      "additionalProperties": false,
      "properties": {
        "column": {
          "description": "The column of that row holding the Markdown.",
          "pattern": "^[a-z][a-z0-9_]{0,62}$",
          "type": "string"
        },
        "id": {
          "description": "The block's id: its Markdown anchor and its actions' route (`/act/<id>/<action>`). Default `<type>-<n>`, n counting blocks of this type depth-first from 1.",
          "pattern": "^[a-z][a-z0-9-]{1,38}$",
          "type": "string"
        },
        "source": {
          "description": "The source whose first row holds the Markdown; with `column`.",
          "pattern": "^[a-z][a-z0-9_]{0,62}$",
          "type": "string"
        },
        "text": {
          "description": "The Markdown; or `source` and `column`.",
          "maxLength": 65536,
          "minLength": 1,
          "type": "string"
        }
      },
      "type": "object"
    }
  },
  "required": [
    "markdown"
  ],
  "title": "markdown",
  "type": "object"
}