What happens if the land subject to a right of pre-emption is diminished by means other than the actions of the purchaser, or by the purchaser's actions for the public benefit?
In such a case, the pre-emptor has two options. They can purchase the land at its full price without making any claim for the diminution, or they can choose to leave the land to the purchaser. However, if the land has diminished due to the purchaser's actions, not for the public benefit, then the price at which the land is sold to the pre-emptor will be reduced by the amount of the diminution.