man: drop the mention of xbacklight
xbacklight uses exactly the same thing randr does to set the brightness, and this mention of its ability to set the hardware brightness is incorrect.
Signed-off-by: Tycho Andersen tycho@tycho.ws
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xbacklight uses exactly the same thing randr does to set the brightness, and this mention of its ability to set the hardware brightness is incorrect.
Signed-off-by: Tycho Andersen tycho@tycho.ws