multiple warnings from gsn_csm_xy with colour filled areas (gsnXYFillColors)

Hi,

while making intensive usage of gsn_csm_xy with color filled areas
between adjacent curves (gsnXYFillColors) I got a plethora of warnings
as the following:

warning:VarVarWrite: rhs has no dimension name or coordinate variable,
deleting name of lhs dimension number (0) and destroying coordinate var,
  use "(/../)" if this is not desired outcome
warning:Execute: Error occurred at or near line 2642 in file
[...]
warning:Execute: Error occurred at or near line 2671 in file
[...]
warning:Execute: Error occurred at or near line 2650 in file
[...]
warning:Execute: Error occurred at or near line 2642 in file
[...]
warning:Execute: Error occurred at or near line 2663 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl

I tracked the lines to function fill_bw_xy
lines 2642--2643
               first(0) = x(bpt)
               first(1) = y2(bpt)
lines 2650--2651
                 first(0) = x(bpt-1)
                 first(1) = y1(bpt-1)
lines 2663--2664
               last(0) = x(ept)
               last(1) = y2(ept)
lines 2671--2672
                 last(0) = x(ept+1)
                 last(1) = y1(ept+1)

A quick inspection of the rest of the function showed no reason for
these variables should carry any meta-data, so I suggest these lines to
be replaced by:
lines 2642--2643
               first = (/x(bpt),y2(bpt)/)
lines 2650--2651
                 first = (/x(bpt-1),y1(bpt-1)/)
lines 2663--2664
               last = (/x(ept),y2(ept)/)
lines 2671--2672
                 last = (/x(ept+1),y1(ept+1)/)

Would it be possible to include this small change in future model versions?

Thanks in advance,
Álvaro.

-- 
Álvaro M. Valdebenito B., Dr. rer. nat.       alvaro.valdebenito@met.no
Air Pollution Section/Research Department     Tel. +47-2296 3397
Norwegian Meteorological Institute            http:\\www.met.no
P.O. Box 43 Blindern, 0313 Oslo, NORWAY       http:\\www.emep.int/CWF
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