matrix_dataset::set_changed

Source: dataset/matrix/matrix_dataset__set_changed.pro

 matrix_dataset::set_changed
        Flag the dataset and its container as changed.

 Usage:
        dsref -> set_changed

 Keyword:
        clear   If set, then clear the changed flags of the dataset
                and its streams.

 History:
        Original: 21/6/01; SJT