what is the matter with gsn_csm.ncl

hi NCL usrs
 I found a mistake in gsn_csm.ncl in version 6.1 and 5.1
the sample test ncl script is shown and only loaded two ncl script.

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
begin
end
There are many mistakes as shown below. How could I fix this problem?
thank you .

error message is here.
copyright (C) 1995-2012 - All Rights Reserved
 University Corporation for Atmospheric Research
 NCAR Command Language Version 6.1.0-beta
 The use of this software is governed by a License Agreement.
 See http://www.ncl.ucar.edu/ for more details.
fatal:syntax error: line 962 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl before or near \n
    set_attr(tires,axis_res,"")
-------------------------------^

^Mfatal:syntax error: possibly an undefined procedure
^Mfatal:syntax error: line 968 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl before or near \n
          set_attr(tires,axis_res,axis_string)
----------------------------------------------^

^Mfatal:syntax error: possibly an undefined procedure
^Mfatal:syntax error: line 974 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl before or near \n
        set_attr(tires,axis_res,axis_string)
--------------------------------------------^

^Mfatal:syntax error: possibly an undefined procedure
^Mfatal:syntax error: line 979 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl before or near \n
  attsetvalues_check(plot,tires)
--------------------------------^

^Mfatal:syntax error: possibly an undefined procedure
^Mfatal:Syntax Error in block, block not executed
^Mfatal:error at line 981 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl

^Mfatal:syntax error: line 1888 in file
$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl before or near ; Set some
text resources.

-- 
TANG Jie
Email: totangjie@gmail.com
Tel: 0086-2154896104
Shanghai Typhoon Institute,China

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Received on Thu Jul 26 02:13:19 2012