[Octave-bug-tracker] [bug #50483] legend hide fails for gnuplot since v4.0.3

[Dan Sebald]

Follow-up Comment #4, bug #50483 (project octave):

This patch fixes the issue for the test script.

Did it break because something was changed about how legend visibility works
(that's my recollection)?  There is this test:


       && any (strcmp (get (hlgnd.children, "visible"), "on")))


but then later nothing loops through the various children.  Individually
controlling key entries doesn't suit gnuplot, so any visible means all visible
in the key.  That's probably an OK trade off, otherwise it would mean Octave
script code to construct the whole legend/key.

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