umbra - luxembourg/muxcode-clm GitHub Wiki
UMBRA
The UMBRA flag is used to denote an object which is in the umbra. They will see the room's UMBRADESC if it is present and will not see or be seen by those not set UMBRA.
UMBRA
The UMBRA flag is used to denote an object which is in the umbra. They will see the room's UMBRADESC if it is present and will not see or be seen by those not set UMBRA.