As far as I can tell, the official documentation of the special Anvil html attributes is incomplete. For instance, the anvil-if-slot-empty attribute shown in the following example is not documented there: Hand-drawn web apps
As far as I can tell, the official documentation of the special Anvil html attributes is incomplete. For instance, the anvil-if-slot-empty attribute shown in the following example is not documented there: Hand-drawn web apps