COVER, DIM, UNCOVER
"cover" doesn't act as a toggle: to uncover a lantern after it has been covered, you have to "uncover" it. "dim" is a synonym for "cover".
At the moment, both "cover" and "uncover" require an argument - the name of the light source you want to cover or uncover.
Generated on Fri Nov 27 18:32:45 2020