# Underline
## `underline`
Underlines text.
# Example
```example
This is #underline[important].
```
## Parameters
### stroke
How to [stroke] the line.
If set to `{auto}`, takes on the text's color and a thickness defined in
the current font.
### offset
The position of the line relative to the baseline, read from the font
tables if `{auto}`.
### extent
The amount by which to extend the line beyond (or within if negative)
the content.
### evade
Whether the line skips sections in which it would collide with the
glyphs.
### background
Whether the line is placed behind the content it underlines.
### body *(required)*
The content to underline.
## Returns
- content