Tiny update: ".hidden" tag added for convenience​

Very tiny feature announcement - you can now add the ".hidden" tag to any entity to prevent it from showing in the preview theme.  This can be useful if you want to hide things until a specific rule triggers (or make things go away).

For example, let's say you have a manifest like this:

ITEM1.item.hidden.level=2.current_location=LOCATION1
ITEM2.item.hidden.level=2.current_location=LOCATION1
ITEM3.item.hidden.level=3.current_location=LOCATION1
LOCATION1.location
WIZARD.character.current_location=LOCATION1
PLAYER.current_location=LOCATION1

Now lets say you want all level 2 items to show up when you talk to the wizard.  You can do that in a rule like this:

ON: WIZARD
DO: (*.item.hidden.level=2).-hidden