Identifies the subsystem or feature that produced a notification.
Used to group related notifications and remove them selectively (for example,
when the underlying issue is resolved) without clearing unrelated entries.
Remarks
Currently only font-missed is defined. Additional sources may be added as
new notification producers are integrated.
Identifies the subsystem or feature that produced a notification.
Used to group related notifications and remove them selectively (for example, when the underlying issue is resolved) without clearing unrelated entries.