This feature is not implemented in HDF5. This attribute should be ignored (and deleted as soon as possible).
This element is denigrated. Compression is one of the required filters
This option is not implemented.
This element is denigrated, compression filters are under RequiredFilters
Format of the data in this element is not defined.
This element needs to be refined to implement a structured pointer to a file+dataset+selection
This element is not specified yet in this schema.