Version markers in MyST

The MyST forms of the specimens on Version markers, each rendered live by this page’s own Markdown parser.

Added, changed, deprecated and removed

Version markers

```{versionadded} 1.4 Collapsible boxes.
```

```{versionchanged} 1.5 Boxes can start folded.
```

```{deprecated} 2.0 Use a dropdown instead.
```

```{versionremoved} 3.0
Collapsible boxes are gone.
```

Added in version 1.4: Collapsible boxes.

Changed in version 1.5: Boxes can start folded.

Deprecated since version 2.0: Use a dropdown instead.

Removed in version 3.0: Collapsible boxes are gone.

The hyphenated spellings

Hyphenated version markers

```{version-added} 1.4
```

```{version-changed} 1.5
```

```{version-deprecated} 2.0
```

```{version-removed} 3.0
```

Added in version 1.4.

Changed in version 1.5.

Deprecated since version 2.0.

Removed in version 3.0.