[Octave-bug-tracker] [bug #51035] Matlab/Octave incompatiblity for querying compact/loose display status

[Mike Miller]

Follow-up Comment #3, bug #51035 (project octave):

I concur, the "Format" and "FormatSpacing" properties are still documented on
the official help for the format command under the section "Get Current
Format".

It is also worth noting that these two properties are *not* documented as part
of the Root object public property list at
https://mathworks.com/help/matlab/ref/root-properties.html.

IIRC one of the maintainers expressed an opinion that it makes no sense for
these properties, which are part of the format command, to coexist along with
graphics properties in the Root object, all of which have to do with figures
and graphical manipulation.

The Diary and DiaryFile properties were removed from Octave at the same time,
and it seems to me that those are similar. They are settings that have no
other way of being queried, but Matlab stuffs them in the Root object property
list because it seems to have no other place to put them. Octave's diary
command has output arguments similar to the syntax of the format command to
query these properties.

If you think it's important enough for Matlab compatibility that these legacy
Root properties be reintroduced in Octave 4.4, you could start a discussion on
the maintainers list. As it is the status of this bug will probably remain
"yes, it's a known intentional incompatibility and will remain that way".

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