added collision avoidance for extra_customize; it has been a FIXME for a while
added collision avoidance for extra_customize; it has been a FIXME for a while

ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env