d1.gif:
=======
declare -x delta="l0.5"
declare -x dir="q"
declare -x ignoreeof="0"
declare -x pic="0"
declare -x pre_smooth="0"
declare -x px="cnx"
declare -x range="13"
declare -x smooth_flt="b4.flx"
st49 2 1 qst4 pictures/m_var/zero_l.rdh pictures/m_var/zero_r.rdh dr
qsplit dr dx
qnorm dx.000 dc 13