# & function

The & function underlines the following
character. The character to be underlined must immediately follow
the & character. If the & character is followed by a space,
the & character itself is printed.

## Syntax

```
&x
```

## See also

- [Control functions](https://d3codex.com/runoff/control-functions/)

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Source: https://d3codex.com/runoff/ampersand-function/ - part of the D3Codex reference.