##### 35.2.2.5 Identifying table cells with formats: an example

Suppose your DITA document contains a table with the following structure; Table 35-2 has these characteristics:

- multiple header rows
- a column-header cell that spans more than one column
- a row-header column whose cells span more than one row
- a column that has no header.

Table 35-2 Using paragraph formats to identify table cells (example)

| Configuration parameters | << Column-header rows have paragraph format CellHead except top row, which has CellHeadM.
Module | PID | Parameter description
Security | 001 | Administrator PIN | y | << Body cells have paragraph format CellBody, except cells in rightmost column, which have CellBodyN.
012 | Private key | y
Certificate | 002 | Authority certificate | n
011 | Manager certificate | n
009 | Server certificate | y
^^ Paragraph format is CategoryM for body cells in the first column = row headers.

To use paragraph formats to identify body cells according to their row headers and column headers, those header cells that span more than one row or column must contain an element that is assigned a paragraph format different from (or perhaps in addition to) the paragraph format assigned to elements used in ordinary row and column headers:

- Because it spans more than one column, the topmost column-header cell in Table 35-2 needs special identification, so a different paragraph format is used for that cell.
- All row-header cells span more than one row, so no individual row-header cell needs a format different from any other. However, collectively the row-header contents need an element that is assigned a paragraph format different from the format for column headers.
- The rightmost column in Table 35-2 has no header; a different paragraph format is used to identify the cells in this column, in order to give them the NoColID attribute.

You could specify the following attributes for Table 35-2:

    [Tables]
    UseTbHeaderCode=Yes
    TableHeaderCols=1
    ColIDs=Yes
    ColHead=col
    ColSpanIDs=Yes
    ColSpanHead=span
    RowIDs=Yes
    RowHead=row
    RowSpanIDs=Yes
    RowSpanHead=span

Because these settings specify enough information to associate every cell in the table with all applicable row and column headers, there is no need for the Scope attribute. However, using it does no harm, so Scope is included for purposes of illustration:

    [HTMLParaStyles]
    CellHead=Scope
    CellHeadM=Scope Span
    CategoryM=Scope Span
    CellBodyN=NoColID

    [StyleCellScope]
    CellHead=column
    CellHeadM=colgroup
    CategoryM=rowgroup

Because ColIDs take precedence over RowIDs, the top left cell gets id="col1". The cell to its right is in column 2; the cell below it is in row 2. Table 35-2 looks something like this (omitting display attributes) in DITA2Go-generated HTML:

    <table>
    <caption><p>Table 35-2: Server configuration</p></caption>
    <tr><th id="col1" scope="column" rowspan="2"><p>Module</p></th>
        <th id="span1" scope="colgroup" colspan="3">
            <p>Configuration parameters</p></th></tr>
    <tr><th id="col2" scope="column" headers="span1">
            <p>PID</p></th>
        <th id="span2" scope="column" colspan="2">
            <p>Parameter description</p></th></tr>
    <tr><th id="span3" scope="rowgroup" headers="col1" rowspan="2">
            <p>Security</p></th>
        <td id="row3" headers="col2 span1 span3"><p>001</p></td>
        <td headers="col2 row3 span1 span2 span3">
            <p>Administrator PIN</p></td>
        <td headers="row3 span1 span2 span3"><p>y</p></td></tr>
    <tr><td id="row4" headers="col2 span1 span3"><p>012</p></td>
        <td headers="col2 row4 span1 span2 span3"><p>Private key</p></td>
        <td headers="row4 span1 span2 span3"><p>y</p></td></tr>
    <tr><th id="span4" scope="rowgroup" headers="col1" rowspan="3">
            <p>Certificate</p></th>
        <td id="row5" headers="col2 span1 span4"><p>002</p></td>
        <td headers="col2 row5 span1 span2 span4">
            <p>Authority certificate</p></td>
        <td headers="row5 span1 span2 span4"><p>n</p></td></tr>
    <tr><td id="row6" headers="col2 span1 span4"><p>011</p></td>
        <td headers="col2 row6 span1 span2 span4">
            <p>Manager certificate</p></td>
        <td headers="row6 span1 span2 span4"><p>n</p></td></tr>
    <tr><td id="row7" headers="col2 span1 span4"><p>009</p></td>
        <td headers="col2 row7 span1 span2 span4">
            <p>Server certificate</p></td>
        <td headers="row7 span1 span2 span4"><p>y</p></td></tr>
    </table>

Previous Topic: 35.2.2.4 Specifying a different HTML table-cell tag

Next Topic: 35.2.3 Assigning table-cell attribute values with dedicated formats

Parent Topic: 35.2.2 Using paragraph formats for table-cell attributes

Sibling Topics:

35.2.2.1 Choosing how to use paragraph formats for WAI markup

35.2.2.2 Assigning WAI attributes to paragraph formats

35.2.2.3 Assigning values to WAI attributes

35.2.2.4 Specifying a different HTML table-cell tag

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