title He atom at high densities 
c
c commands controlling continuum =========
laser 2
ionization -3
c
c commands for density & abundances =========
hden 18
set eden 18
element helium abundance -1
init file "hheonly.ini"
c
c commands controlling geometry  =========
stop zone 1
set dr -10 
c
c other commands for details     =========
atom he-like resolved levels 10
atom he-like collapsed levels 20
case b // no photoionization
// >>chng 03 feb 28, raise temperature to get He ionized
constant temper 20000 K
iterate
c
c commands controlling output    =========
print he-like departure helium 
normalise to "He 1" 4471
print line faint -2
save overview "limit_lte_he1_coll.ovr"
save performance "limit_lte_he1_coll.per"
c
c commands giving the monitors    =========
monitor he-like excited helium departures 1 
c limit_lte_he1_coll.in 
c class limit 
c ========================================
c 

test whether he-like ion populations go to lte in high density limit.
The level populations should be in LTE, and the departure coefficients
should be unity.