> and no script window appears.  Debugging a bit, the fundamental
> problem appears to be that the window handles returned by  wd'qpx'
> are negative.  For example:
> 
>          1 {:: , wdforms ''
>       -1054277158

It may not have anything to do with the problem at hand, but I just wanted
to point out that handles (not just window handles, but also file handles,
object handles and so on) in Windows are unsigned numbers. So they can be
negative if they are interpreted as signed numbers while their most
significant bit is 1, but in reality that bit has no special meaning. It
just happens to be one of the bits composing the handle (32 bits for x86 and
64 bits for x64).
-- Stefano

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