[bug #45833] support load/save of classdef objects

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Follow-up Comment #105, bug #45833 (group octave):=0A=0AHey Evan, glad to s=
ee you take it up. I'd started out, but haven't been able=0Ato spend time o=
n it (won't be able to do so for another month or two). See bug=0A#68251. I=
'd put up an initial patch that takes care of format detection over=0Athere=
.=0A=0AThe bulk of the MAT-file load/save logic is pretty straightforward a=
nd can be=0Atranslated from the Python code. The main challenge is supporti=
ng the latest=0AHDF5 API and compatibility with Octave's native HDF5 format=
. Some of the key=0Amethods already exist in "ls-hdf5" and supporting libra=
ries IIRC, so it would=0Abe easier to just extend them.=0A=0AMy thinking th=
en was to create wrappers around some HDF5 methods to support=0Athe new API=
 with backwards compatibility, making it easy to maintain should=0Athe HDF5=
 API change significantly. But I haven't worked on it further so its a=0Acl=
ean slate as of now.=0A=0A=0A    __________________________________________=
_____________=0A=0AReply to this item at:=0A=0A  <https://savannah.gnu.org/=
bugs/?45833>=0A=0A_______________________________________________=0AMessage=
 sent via Savannah=0Ahttps://savannah.gnu.org/=0A
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