Jan Dvorak wrote:
> It seems to me POVray doesn't close the file handle and tries to open a 
> new one. This fails because there cannot be two file handles to the same 
> file if one of them is a writable one.
> I've never seen the POVray code but if handle closing depends on a 
> garbage collector+destructor then this is certainly wrong. In this case 
> either force GC before opening a file or, if that fails, trace the 
> references to it (if you don't mind debugging yourself).
> You can use Sysinternals taskmanager to see if the image handle is still 
> open by POVray.


Thanks Jan.  What you're saying I suspect is right.  I think it's been 
fixed but I don't think the fixed-code hasn't been released.  That's 
what I'm really hoping for. :-)
Charles

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