Stuttering is more common on Linux when playing in windowed mode,
regardless of how powerful the hardware is. This can occur even if
compositing is disabled in the window manager (as tested on KWin).
- Add section on input lag, containing project and hardware/OS
configuration recommendations.
- Remove outdated advice about graphics drivers on Linux.
- Mention that compositing can sometimes be disabled on Linux for
better performance.
- Wrap to 80 characters.