tests: Add ability to test different expected outputs based on Python version. Similar to the previous change, there was also a change in what gets escaped by `urllib.parse.quote` (as in: the tilde sign ('~') stopped being escaped). So now we need to be able to test different outputs in the tests, yay again.

---
title: Plugin Components
---

Once you've [created a plugin][1], you need to make it provide new _components_.

{% for comp in family.children -%}
* [{{comp.title}}]({{comp.url}})
{% endfor %}

[1]: {{apiurl('plugins')}}