[Octave-bug-tracker] [bug #56167] non-existent cell indexing 'C{}' should produce an error

[Guillaume]

Follow-up Comment #14, bug #56167 (project octave):

x() returns x for built-in arrays objects but in recent Matlab versions there
is now a warning discouraging its use:


>> x = {1, 2; 3, 4}
x =
  2x2 cell array
    {[1]}    {[2]}
    {[3]}    {[4]}
>> x()
Warning: A value of class "cell" was indexed with no subscripts specified.
Currently the result of this operation is
the indexed value itself, but in a future release, it will be an error. 
ans =
  2x2 cell array
    {[1]}    {[2]}
    {[3]}    {[4]}


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