# File lib/rdoc/rdoc.rb, line 410
  def remove_unparseable files
    files.reject do |file|
      file =~ /\.(?:class|eps|erb|scpt\.txt|ttf|yml)$/i or
        (file =~ /tags$/i and
         open(file, 'rb') { |io|
           io.read(100) =~ /\A(\f\n[^,]+,\d+$|!_TAG_)/
         })
    end
  end