------------------------------------------------------------------
Req  1.3:  Users shall be able to select a column in a VOTable
           for use in tasks that expect a list of values.
------------------------------------------------------------------
 
    This test is demonstrated by using the @-file syntax to auto-
matically extract the image access reference  column from  an SIA
result table.
 

Logical Path:  data$sia.xml
#      NPIX      MEAN    STDDEV       MIN       MAX
     262144     108.3     131.3       -1.    19936.
     262144     208.3     131.3       99.    20036.
     262144     308.3     131.3      199.    20136.
     262144     408.3     131.3      299.    20236.
     262144     508.3     131.3      399.    20336.
     262144     608.3     131.3      499.    20436.

HTTP URI:  http://iraf.noao.edu/votest//sia.xml
#      NPIX      MEAN    STDDEV       MIN       MAX
     262144     108.3     131.3       -1.    19936.
     262144     208.3     131.3       99.    20036.
     262144     308.3     131.3      199.    20136.
     262144     408.3     131.3      299.    20236.
     262144     508.3     131.3      399.    20336.
     262144     608.3     131.3      499.    20436.

File URI:  file:///iraf/iraf/vo/votest/data//sia.xml
#      NPIX      MEAN    STDDEV       MIN       MAX
     262144     108.3     131.3       -1.    19936.
     262144     208.3     131.3       99.    20036.
     262144     308.3     131.3      199.    20136.
     262144     408.3     131.3      299.    20236.
     262144     508.3     131.3      399.    20336.
     262144     608.3     131.3      499.    20436.

File URI:  file:///localhost/iraf/iraf/vo/votest/data//sia.xml
#      NPIX      MEAN    STDDEV       MIN       MAX
     262144     108.3     131.3       -1.    19936.
     262144     208.3     131.3       99.    20036.
     262144     308.3     131.3      199.    20136.
     262144     408.3     131.3      299.    20236.
     262144     508.3     131.3      399.    20336.
     262144     608.3     131.3      499.    20436.