IUP oddity

[David Given <dg@...>]

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I'm having some trouble with IUP 3.0RC3 on GTK.

When I run this:

- ---snip---
require "iuplua"

local d = iup.dialog
	{
		iup.tree
		{
			name = "tree",
			expand = "YES"
		}
	}
	
d:show()

print(iup.GetDialogChild(d, "tree"))

if (not iup.MainLoopLevel or iup.MainLoopLevel()==0) then
	iup.MainLoop()
end
- ---snip---

...I would *expect* to get a valid IUP handle printed to stdout, and see
a window containing an empty tree. What I *get* is 'nil' and a tree
containing a single node, labelled 'tree'.

This doesn't seem to correspond with what the documentation is telling
me --- can anyone enlighten?

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