# Structure Relationships

_Generated: 2026-06-15T11:24:25.606Z_

## Legend (Table 4 — Valid usage of structure types)

| Value | Valid usage relative to other standard structure types |
|-------|--------------------------------------------------------|
| ø | shall not occur |
| ø* | shall not occur unless the parent element is used as a grouping level element |
| 0..n | may be a child element with one or several occurrences, but is not required to be present |
| 1..n | shall be present as a child element with one or several occurrences |
| 0..1 | may occur, but not more than once |
| ‡ | for containment rules, refer to the respective structure element type’s description |
| [a] | for specific provisions when and how these structure elements or content can be contained inside a Ruby structure element, see ISO 32000-2:2020, 14.8.4.7.3 |
| [b] | for specific provisions when and how these structure elements or content can be contained inside a Warichu structure element, see ISO 32000-2:2020, 14.8.4.7.3 |

_Note:_ The dataset may use the Unicode empty set symbol (∅) in place of 'ø'.

## Annot

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `∅*` |
| `Part` | `∅*` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `∅*` |
| `BlockQuote` | `∅*` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `∅*` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `∅*` |
| `H` | `∅*` |
| `Title` | `∅*` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `∅*` |
| `Annot` | `0..n` |
| `Form` | `∅*` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `L` | `∅*` |
| `BibEntry` | `0..n` |
| `Table` | `∅*` |
| `Caption` | `∅*` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Art

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Title` | `0..n` |
| `Lbl` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Artifact` | `0..n` |

## Artifact

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `Warichu` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `LI` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `TR` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `THead` | `0..n` |
| `TBody` | `0..n` |
| `TFoot` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `LI` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `TR` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `THead` | `0..n` |
| `TBody` | `0..n` |
| `TFoot` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Aside

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Lbl` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## BibEntry

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `Div` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `Figure` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Part` | `‡` |
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## BlockQuote

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Lbl` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Caption

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `∅*` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..1` |
| `Sect` | `0..n` |
| `TOC` | `0..1` |
| `Aside` | `0..1` |
| `BlockQuote` | `0..1` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..1` |
| `Note` | `0..1` |
| `Code` | `0..1` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Form` | `0..1` |
| `FENote` | `∅*` |
| `Index` | `0..1` |
| `L` | `0..1` |
| `LBody` | `0..1` |
| `Table` | `0..1` |
| `Figure` | `0..1` |
| `Formula` | `0..1` |
| `Artifact` | `0..1` |

## Code

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `∅*` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `∅*` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Div

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `‡` |
| `DocumentFragment` | `‡` |
| `Part` | `‡` |
| `Art` | `‡` |
| `Div` | `‡` |
| `Sect` | `‡` |
| `TOC` | `‡` |
| `TOCI` | `‡` |
| `Aside` | `‡` |
| `BlockQuote` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `‡` |
| `P` | `‡` |
| `Note` | `‡` |
| `Code` | `‡` |
| `Hn` | `‡` |
| `H` | `‡` |
| `Title` | `‡` |
| `Sub` | `‡` |
| `Lbl` | `‡` |
| `Em` | `‡` |
| `Strong` | `‡` |
| `Span` | `‡` |
| `Quote` | `‡` |
| `Link` | `‡` |
| `Reference` | `‡` |
| `Annot` | `‡` |
| `Form` | `‡` |
| `Ruby` | `‡` |
| `RB` | `‡` |
| `RT` | `‡` |
| `RP` | `‡` |
| `Warichu` | `‡` |
| `WT` | `‡` |
| `WP` | `‡` |
| `FENote` | `‡` |
| `Index` | `‡` |
| `L` | `‡` |
| `LI` | `‡` |
| `LBody` | `‡` |
| `BibEntry` | `‡` |
| `Table` | `‡` |
| `TR` | `‡` |
| `TH` | `‡` |
| `TD` | `‡` |
| `THead` | `‡` |
| `TBody` | `‡` |
| `TFoot` | `‡` |
| `Caption` | `‡` |
| `Figure` | `‡` |
| `Formula` | `‡` |
| `Artifact` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LI` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Document

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Title` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `StructTreeRoot` | `1` |
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Artifact` | `0..n` |

## DocumentFragment

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Title` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Note` | `∅*` |
| `Code` | `∅*` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `FENote` | `∅*` |
| `Caption` | `∅*` |
| `Artifact` | `0..n` |

## Em

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## FENote

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `∅*` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `∅*` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Figure

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Sub` | `∅*` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `∅*` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Form

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `∅*` |
| `Div` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `∅*` |
| `Lbl` | `0..n` |
| `Reference` | `∅*` |
| `FENote` | `0..n` |
| `L` | `∅*` |
| `BibEntry` | `0..n` |
| `Table` | `∅*` |
| `Caption` | `0..1` |
| `Figure` | `∅*` |
| `Formula` | `∅*` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Formula

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `Div` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `∅*` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## H

### Children

| Child | Cardinality |
|-------|-------------|
| `Sect` | `0..1` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..1` |
| `DocumentFragment` | `0..1` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..1` |
| `Sect` | `0..1` |
| `Aside` | `0..1` |
| `BlockQuote` | `0..1` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Index` | `0..n` |
| `LBody` | `0..1` |
| `TH` | `0..1` |
| `TD` | `0..1` |
| `Caption` | `0..1` |
| `Figure` | `0..1` |
| `Formula` | `0..1` |
| `Artifact` | `0..1` |

## Hn

### Children

| Child | Cardinality |
|-------|-------------|
| `Sect` | `0..1` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Index

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## L

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `L` | `0..n` |
| `LI` | `0..n` |
| `Caption` | `0..1` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Form` | `∅*` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Lbl

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `LI` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## LBody

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `LI` | `0..n` |
| `Artifact` | `0..n` |

## LI

### Children

| Child | Cardinality |
|-------|-------------|
| `Div` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Lbl` | `0..n` |
| `LBody` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `L` | `0..n` |
| `Artifact` | `0..n` |

## Link

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `∅*` |
| `Part` | `∅*` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `∅*` |
| `BlockQuote` | `∅*` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `∅*` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `∅*` |
| `H` | `∅*` |
| `Title` | `∅*` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `∅*` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `L` | `∅*` |
| `BibEntry` | `0..n` |
| `Table` | `∅*` |
| `Caption` | `∅*` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## NonStruct

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `‡` |
| `DocumentFragment` | `‡` |
| `Part` | `‡` |
| `Art` | `‡` |
| `Div` | `‡` |
| `Sect` | `‡` |
| `TOC` | `‡` |
| `TOCI` | `‡` |
| `Aside` | `‡` |
| `BlockQuote` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `‡` |
| `P` | `‡` |
| `Note` | `‡` |
| `Code` | `‡` |
| `Hn` | `‡` |
| `H` | `‡` |
| `Title` | `‡` |
| `Sub` | `‡` |
| `Lbl` | `‡` |
| `Em` | `‡` |
| `Strong` | `‡` |
| `Span` | `‡` |
| `Quote` | `‡` |
| `Link` | `‡` |
| `Reference` | `‡` |
| `Annot` | `‡` |
| `Form` | `‡` |
| `Ruby` | `‡` |
| `RB` | `‡` |
| `RT` | `‡` |
| `RP` | `‡` |
| `Warichu` | `‡` |
| `WT` | `‡` |
| `WP` | `‡` |
| `FENote` | `‡` |
| `Index` | `‡` |
| `L` | `‡` |
| `LI` | `‡` |
| `LBody` | `‡` |
| `BibEntry` | `‡` |
| `Table` | `‡` |
| `TR` | `‡` |
| `TH` | `‡` |
| `TD` | `‡` |
| `THead` | `‡` |
| `TBody` | `‡` |
| `TFoot` | `‡` |
| `Caption` | `‡` |
| `Figure` | `‡` |
| `Formula` | `‡` |
| `Artifact` | `‡` |
| `content item` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `Warichu` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `LI` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `TR` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `THead` | `0..n` |
| `TBody` | `0..n` |
| `TFoot` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Note

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `∅*` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## P

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Part

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `‡` |
| `DocumentFragment` | `‡` |
| `Part` | `‡` |
| `Art` | `‡` |
| `Div` | `‡` |
| `Sect` | `‡` |
| `TOC` | `‡` |
| `TOCI` | `‡` |
| `Aside` | `‡` |
| `BlockQuote` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `‡` |
| `P` | `‡` |
| `Note` | `‡` |
| `Code` | `‡` |
| `Hn` | `‡` |
| `H` | `‡` |
| `Title` | `‡` |
| `Sub` | `‡` |
| `Lbl` | `‡` |
| `Link` | `‡` |
| `Reference` | `‡` |
| `Annot` | `‡` |
| `Form` | `‡` |
| `FENote` | `‡` |
| `Index` | `‡` |
| `L` | `‡` |
| `BibEntry` | `‡` |
| `Table` | `‡` |
| `Caption` | `‡` |
| `Figure` | `‡` |
| `Formula` | `‡` |
| `Artifact` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Form` | `∅*` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Private

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `Warichu` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `LI` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `TR` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `THead` | `0..n` |
| `TBody` | `0..n` |
| `TFoot` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `Warichu` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `LI` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `TR` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `THead` | `0..n` |
| `TBody` | `0..n` |
| `TFoot` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Quote

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## RB

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Ruby` | `[a]` |
| `Artifact` | `0..n` |

## Reference

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Part` | `‡` |
| `Div` | `‡` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `∅*` |
| `Form` | `∅*` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## RP

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Ruby` | `[a]` |
| `Artifact` | `0..n` |

## RT

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Ruby` | `[a]` |
| `Artifact` | `0..n` |

## Ruby

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `RB` | `[a]` |
| `RT` | `[a]` |
| `RP` | `[a]` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Sect

### Children

| Child | Cardinality |
|-------|-------------|
| `DocumentFragment` | `0..n` |
| `Part` | `0..n` |
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Title` | `0..n` |
| `Lbl` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..1` |
| `H` | `0..1` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Artifact` | `0..n` |

## Span

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Strong

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Sub` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `BibEntry` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## StructTreeRoot

### Children

| Child | Cardinality |
|-------|-------------|
| `Document` | `1` |

### Parents

_None_

## Sub

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Part` | `‡` |
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `RB` | `0..n` |
| `RT` | `0..n` |
| `RP` | `0..n` |
| `WT` | `0..n` |
| `WP` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `∅*` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## Table

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `TR` | `0..n` |
| `THead` | `0..1` |
| `TBody` | `0..n` |
| `TFoot` | `0..1` |
| `Caption` | `0..1` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Form` | `∅*` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## TBody

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `TR` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Table` | `0..n` |
| `Artifact` | `0..n` |

## TD

### Children

| Child | Cardinality |
|-------|-------------|
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `TR` | `0..n` |
| `Artifact` | `0..n` |

## TFoot

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `TR` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Table` | `0..1` |
| `Artifact` | `0..n` |

## TH

### Children

| Child | Cardinality |
|-------|-------------|
| `Art` | `0..n` |
| `Div` | `0..n` |
| `Sect` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..1` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `Index` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `TR` | `0..n` |
| `Artifact` | `0..n` |

## THead

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `TR` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Table` | `0..1` |
| `Artifact` | `0..n` |

## Title

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `Div` | `0..n` |
| `Aside` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Ruby` | `0..n` |
| `Warichu` | `0..n` |
| `FENote` | `0..n` |
| `L` | `0..n` |
| `BibEntry` | `0..n` |
| `Table` | `0..n` |
| `Caption` | `0..1` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Link` | `∅*` |
| `Annot` | `∅*` |
| `Artifact` | `0..n` |

## TOC

### Children

| Child | Cardinality |
|-------|-------------|
| `Part` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Caption` | `0..1` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Document` | `0..n` |
| `DocumentFragment` | `0..n` |
| `Part` | `‡` |
| `Div` | `‡` |
| `Art` | `0..n` |
| `Sect` | `0..n` |
| `TOC` | `0..n` |
| `TOCI` | `0..n` |
| `Aside` | `0..n` |
| `BlockQuote` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Artifact` | `0..n` |

## TOCI

### Children

| Child | Cardinality |
|-------|-------------|
| `Div` | `0..n` |
| `TOC` | `0..n` |
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `P` | `0..n` |
| `Lbl` | `0..n` |
| `Reference` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Part` | `‡` |
| `Div` | `‡` |
| `TOC` | `0..n` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Artifact` | `0..n` |

## TR

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Artifact` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Table` | `0..n` |
| `THead` | `0..n` |
| `TBody` | `0..n` |
| `TFoot` | `0..n` |
| `Artifact` | `0..n` |

## Warichu

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `WT` | `[b]` |
| `WP` | `[b]` |
| `content item` | `0..n` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Title` | `0..n` |
| `Sub` | `0..n` |
| `P` | `0..n` |
| `Note` | `0..n` |
| `Code` | `0..n` |
| `Hn` | `0..n` |
| `H` | `0..n` |
| `Lbl` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Annot` | `0..n` |
| `FENote` | `0..n` |
| `LBody` | `0..n` |
| `TH` | `0..n` |
| `TD` | `0..n` |
| `Caption` | `0..n` |
| `Figure` | `0..n` |
| `Formula` | `0..n` |
| `Artifact` | `0..n` |

## WP

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Warichu` | `[b]` |
| `Artifact` | `0..n` |

## WT

### Children

| Child | Cardinality |
|-------|-------------|
| `NonStruct` | `0..n` |
| `Private` | `0..n` |
| `Sub` | `0..n` |
| `Em` | `0..n` |
| `Strong` | `0..n` |
| `Span` | `0..n` |
| `Quote` | `0..n` |
| `Link` | `0..n` |
| `Reference` | `0..n` |
| `Annot` | `0..n` |
| `Form` | `0..n` |
| `Artifact` | `0..n` |
| `content item` | `‡` |

### Parents

| Parent | Cardinality |
|--------|-------------|
| `Div` | `‡` |
| `NonStruct` | `‡` |
| `Private` | `0..n` |
| `Warichu` | `[b]` |
| `Artifact` | `0..n` |