Proviso in the case of infants, etc

The time during which any person, otherwise capable of resisting any claim to any of the matters before mentioned, has been or is an infant, idiot, non compos mentis or tenant for life, or during which any action or suit has been pending, and which has been diligently prosecuted until abated by the death of any party or parties thereto, shall be excluded in the computation of the periods hereinbefore mentioned, except only in cases where the right or claim is hereby declared to be absolute and indefeasible. 7