trisquel-icecat/icecat/extensions/universalchardet/tests/bug811363-invalid-5.text

Isolated surrogates: <20><><EFBFBD> <20><><EFBFBD>
Surrogate pairs: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>