anchor.diff:  the YubiKey, further mode changes will have to be done with ykneomgr (for CCID mode) 
   or u2f-host (for U2F mode)
   
  +=== YubiKey 3 and above
  +
   *-S*'0605...'::
   
   set the scanmap to be used with the YubiKey. It must be 45 unique
  
positive.code: 
  *-t* text:: Program NFC NDEF text
  
  === YubiKey 3.0 and above
  
  *-m* mode::
  
  
negative.code: +
  Note that you must remove any whitespace present in these examples before using the values.
  
  === YubiKey 5 and above
  
  *-D*'0403...'::
  
  Set the deviceinfo to use with this YubiKey.
  
  === YubiKey 2.3 and above
  
  