riot/riot

## **IMPORTANT: for all the pull requests use the `dev` branch**

### Answer the following depending on the type of change you want to merge

#### Code

1. Have you added test(s) for your patch? If not, why not?

2. Can you provide an example of your patch in use?

Post the link using one of our bug report templates:

- [Bug Report Template](https://riot.js.org/examples/plunker/?app=bug-reporter) on plnkr (preferred)
- [Bug Report Template](https://codesandbox.io/s/riot-js-9-bug-template-forked-ffm7jf?file=/index.html) on codesandbox

3. Is this a breaking change?

#### Content

Provide a short description about what you have changed: