# .tc heading command

The .tc heading command substitutes
the heading text as the header for the table of contents pages.

**Synonyms:** .tch

## Syntax

```
.tc heading "{{text} {’options’}...}"
```

## Parameter(s)

| text | Text to display the header in the table of contents. | |
| --- | --- | --- |
| options | '' | Outputs a single quotation mark. |
| 'attr.name' | Inserts the value of attribute name. Processes any conversion codes, but not correlatives in the ADI. | |
| b | Inserts the attribute name causing the break if the b option has been specified with the roll-on command. | |
| c | Centers the output line. | |
| d | Retrieves the current date (dd mmm yyyy format). | |
| f{n} | Inserts the file name in a field of n spaces. | |
| j | Right-aligns the rest of the line. | |
| l | Issues a CR/LF. | |
| n | Prevents the pause at the end of each page (such as the nopage modifier). | |
| p | Retrieves the current page number, right-aligned in a field of four spaces. | |
| p{n} | Retrieves the page number, right-aligned in a field of n spaces. (Default n=4). | |
| r | Retrieves the Roman numeral page number. | |
| s | Toggles on italics mode. | |
| t | Retrieves the current time and date (hh:mm:ss dd mmm yyyy format). | |
| u | Toggles on underline mode. | |
| v | Toggles on boldface mode. | |
| xc | Used with the c option to center a segment. The xc delimits the end of the segment. | |
| xs | Toggles off italics mode. | |
| xu | Toggles off underline mode. | |
| xv | Toggles off boldface mode. | |

## Example(s)

```
.tc heading "’lc’The D3 Encyclopedia’l’"
```

## See also

- [Output processor commands](https://d3codex.com/output-processor/output-processor-commands/)
- [Output processor overview](https://d3codex.com/output-processor/output-processor-overview/)

---
Source: https://d3codex.com/output-processor/dot-tc-heading-command/ - part of the D3Codex reference.