[Octave-bug-tracker] [bug #54924] savefig should accept a vector of figure handles for Matlab compatibility

[Guillaume]

Follow-up Comment #6, bug #54924 (project octave):

Thanks Rik - you could have pushed the patch under your name as you did put a
lot more work into this than I did!

Concerning the "compact" argument, your changes makes sense. I wonder if we
could accept other format types (-v6, -v7, -hdf5) given they would work with
hgsave.m.
https://hg.savannah.gnu.org/hgweb/octave/file/940aabcd6fdb/scripts/plot/util/savefig.m#l74
e.g.:


    if (nargin == 3)
      fmt = varargin{3};
      if (strcmpi (fmt, "compact"))
        fmt = "-zip";
      endif
    endif


with the validation taking place in save.m.

Checking with matlab when the "compact" argument is used, the fig file
contains a variable named hgS_080000 so we should also change hgload.m to
reflect this:
https://hg.savannah.gnu.org/hgweb/octave/file/940aabcd6fdb/scripts/plot/util/hgload.m#l65


hgs = {"s_oct40", "hgS_050200", "hgS_070000", "hgS_080000"};


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