# File lib/spreadsheet/worksheet.rb, line 32
    def initialize opts={}
      @default_format = nil
      @selected = opts[:selected]
      @dimensions = [0,0,0,0]
      @name = opts[:name] || 'Worksheet'
      @workbook = opts[:workbook]
      @rows = []
      @columns = []
      @links = {}
      @merged_cells = []
      @protected = false
      @password_hash = 0
    end