2 <!-- Remove control characters except \t\n\r -->
3 <transform rule="[\x00-\x08\x0B\x0C\x0E-\x1F\x7F] Any-Remove"/>
5 <transform rule="[:Punctuation:] Remove"/>
6 <transform rule="NFD"/>
7 <transform rule="[:Nonspacing Mark:] Remove"/>
8 <transform rule="NFC"/>