class String
  SPECIAL_TEX_CHAR_TABLE = {
    "'" => "\\textquotesingle ",
    "\"" => "\\textquotedbl " # TODO: see which one works.. "\textquotedbl "
  }.freeze

  def tex_safe
    safe_string = self.dup
    SPECIAL_TEX_CHAR_TABLE.each_pair do |key, replacement|
      safe_string.gsub!(key,replacement)
    end
    safe_string
  end
end