7.30. Subtract Layer Mask from Selection
The command converts
the layer mask of the active layer into a selection, which is subtracted
from the selection that is already active in the image. White areas of
the layer mask are selected, black areas are not selected, and gray
areas are converted into feathered selections. The layer mask itself is
not modified by this command.
7.30.1. Activating the Command
7.30.2. Illustration of Subtract Layer Mask from Selection