The credits string to display in the About panel.
- macOS 10.13+
The value of this key is an
NSAttributed displayed in the info area of the panel. If not specified, AppKit then looks for a file named “Credits.html”, “Credits.rtf”, and “Credits.rtfd”, in that order, in the bundle returned by the
NSBundle class method main. The first file found is used. If none is found, the info area is left blank.