# File lib/nanoc/helpers/text.rb, line 21
    def excerptize(string, params={})
      # Initialize params
      params[:length]   ||= 25
      params[:omission] ||= '...'

      # Get excerpt
      length = params[:length] - params[:omission].length
      length = 0 if length < 0
      (string.length > params[:length] ? string[0...length] + params[:omission] : string)
    end