is a variable defined in `
Its value is
If up-to-date files should be acknowledged automatically.
If t, they will be removed from the *cvs* buffer after every command.
If `delayed', they will be removed from the *cvs* buffer before every command.
If `status', they will only be removed after a `cvs-mode-status' command.
Else, they will never be automatically removed from the *cvs* buffer.
You can customize this variable.