Mac 10.7.4 - Growl version 1.4 from Appstore
When I first installed growl I assigned cmd+delete as my 'Close all
notifications' shortcut. I've since then realized that this interferes with
the same shortcut in other applications so I want to remove it from growl.
When I click the little 'x' next to the shortcut in the Growl Preferences
it looks like it has been cleared, reverting to the 'Click to record
shortcut' text, which is retained even when I swap through other tabs in
the Growl Preferences.
However when I quit and restart growl it reverts back to cmd+delete. This
is quite annoying.
As a work-around I've had to give it some obscure shortcut since it seems
to be impossible to get growl to retain the cleared state for that shortcut.