Re: allocating displays under emu

[rob@plan9.bell-labs.com]

Emu is an emulator for a real operating system.  The system assumes it
has a frame buffer, and emu emulates this by allocating a window.  All
the associated allocation is done when the first attach is made to the draw
device.  If you delete the window, it is analogous to unplugging the frame
buffer; Inferno will not be able to attach to another.

The intention is to create multiple Inferno windows within the single
window emu allocates.

-rob

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