Add documentation for DAMAGE extension
Based on https://gitlab.freedesktop.org/xorg/proto/xorgproto/-/blob/master/damageproto.txt
Signed-off-by: Alan Coopersmith alan.coopersmith@oracle.com
Based on https://gitlab.freedesktop.org/xorg/proto/xorgproto/-/blob/master/damageproto.txt
Signed-off-by: Alan Coopersmith alan.coopersmith@oracle.com