[Octave-bug-tracker] [bug #42490] helpdlg does not return a proper graphics handle

[Pantxo Diribarne]

Follow-up Comment #11, bug #42490 (project octave):

@Dan: As for the "demo msgbox" clearing the first figure and removing the
second, indeed "demo" behaves weirdly here. Usually "demo" closes all figures
but one and uses the latter for graphics. Here the first figure is cleared
when it should be closed.

Also the behavior you describe for 


>> h1 = msgbox("Msg 1", "title 1", "none", "modal"); h2 = msgbox("Msg 2",
"title 2", "none", "modal");


is expected and is how Matlab handles modal dialogs: the latest created modal
dialog takes precedence. See the Matlab documentation for msgbox and bug
#54720 for details. 

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