# File lib/spreadsheet/format.rb, line 306
   def align=(location = nil)
      return if location.nil?
      return if location.kind_of?(Fixnum)
      location.downcase!

      case location
      when 'left'
        @text_h_align = 1
      when 'center', 'centre'
        @text_h_align = 2
      when 'right'
        @text_h_align = 3
      when 'fill'
        @text_h_align = 4 
      when 'justify'
        @text_h_align = 5 
      when 'merge'
        @text_h_align = 6
      when 'top'
        @text_v_align = 0
      when 'vcentre', 'vcenter'
        @text_v_align = 1
      when 'bottom'
        @text_v_align = 2
      when 'vjustify'
        @text_v_align = 3
      end
   end