# File lib/pdf/reader/font.rb, line 62
    def to_utf8(params)
      raise UnsupportedFeatureError, "font encoding '#{encoding}' currently unsupported" if encoding.kind_of?(String)

      if params.class == String
        # translate the bytestram into a UTF-8 string.
        # If an encoding hasn't been specified, assume the text using this
        # font is in Adobe Standard Encoding.
        (encoding || PDF::Reader::Encoding.new(:StandardEncoding)).to_utf8(params, tounicode)
      elsif params.class == Array
        params.collect { |param| self.to_utf8(param) }
      else
        params
      end
    end