class RDoc::RDoc

def remove_unparseable(files)
  files.reject do |file, *|
    file =~ /\.(?:class|eps|erb|scpt\.txt|svg|ttf|yml)$/i or
      (file =~ /tags$/i and
       /\A(\f\n[^,]+,\d+$|!_TAG_)/.match?(File.binread(file, 100)))
  end
end