[Octave-bug-tracker] [bug #49980] plotyy fails after previous plot

[Pantxo Diribarne]

Follow-up Comment #4, bug #49980 (project octave):

My approach in general (see annotation.m for figure listeners) is something
like this:


hax = axes ();
ht = text ();
update_txt = @(h, d, htxt) set (htxt, "string", disp (get (h, "color")));
lsn = {update_txt, ht};
addlistener (hax, "color", lsn)
del_lsn = @() dellistener (hax, "color", lsn);
addlistener (ht, "beingdeleted", del_lsn)



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