Example Showdown Derby component.
<Head:>
<view name="d-showdown:includes"></view>
<Body:>
<view name="d-showdown" text={{_page.text}} html={{_page.markdown}} options="{{ { } }}"></view>
model.set("_page.text", "__Hello World__");
See the derby-examples repo for an example using real-time data subscriptions to power multi-player markdown editing.