Fullscreen issue with multiple monitors

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Fullscreen issues with multiple monitors
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If you have issues with fullscreen FSO running on the wrong monitor or running across both monitors, try setting this in the script/terminal/etc that you use to run FSO:

export SDL_VIDEO_FULLSCREEN_HEAD=0

where 0 is the number (as reported by xrandr) of the monitor that you want FSO to run fullscreen on.