poly~/numbox bug? when creating voice

Hi,

I don't remember having read something about it and moreover I can't
seem to find something in the archives. Sorry if it has been
discussed already.

There seem to be a bug with [poly~] when creating voices. Here's the
patch I use for tests. If I create voices with numberbox it works
great. The problem occurs when creating voices while the patch of at
least one voice is opened.

Can someone reproduce this:

- close all voices patchs, then use number box to change the number
of voices.

result: no problem. Number of voice is changed and everything work as
normal.

- Open any voice patch (open $1 message), then change the number of
voices.

Expected behaviour : voices patchs close and that's it. I can still
use my mouse.

Behaviour : voices patchs close, but bye bye mouse's cursor. The
mouse still works, since I can blindly select another window for
instance, but I can't see the cursor anymore. NB. I just noticed that
trying to click on the Max menubar seem to make the cursor visible
again.

PPC G5 2*2.3, and PPC G4 466, 10.4.6, Max 4.5.7

Julien.

Here's a patch for test

---Parent patch---

--- poly patch 'psub'---
#P window setfont "Sans Serif" 9.;
#P window linecount 1;
#N out 1;
#P newobj 87 175 33 196617 out 1;
#N in 1;
#P newobj 85 92 25 196617 in 1;
#P window clipboard copycount 2;
-------------