2.5,
  2.5, 5.5,
  5.5, 7. ;

 V = 
  28.20222,
  28.36456,
  28.35381,
  28.2165,
  28.48889,
  28.31556 ;
}
</PRE>
The CF standard allows for axes in a file that may have discontiguous bounds (the upper bound of
one cell is not the same as the lower bound of the next cell). Ferret does not allow such an axis.
When such a file is read, we arbitrarily choose to use the lower bounds throughout, with the upper 
bound of the topmost cell to close the definition.  This way all axes have contiguous upper and 
lo