It actually increases the zoom limits you can zoom with your mouse-wheel.
The buttons are no longer really needed and kept for now for legacy reasons and will be removed at some point in time.
Increases the game's zoom limits by the zoomlimitfactor player-setting. You need to set the increased limit in your player mod settings first, otherwise the mod will not do anything. The buttons remain for now for legacy reasons.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
It actually increases the zoom limits you can zoom with your mouse-wheel.
The buttons are no longer really needed and kept for now for legacy reasons and will be removed at some point in time.