anchor.diff:  ----------------------------------------
   
   Yes.  The length can be adjusted using the `-l` parameter, or by entering
  -+!length=_value_+ at the "Enter code:" prompt.  The length is encoded as part
  ++!length=_value_+ at the “Enter code:” prompt.  The length is encoded as part
   of the reminder, but it does not cause the generated password to be any
   different other than in length.  That is, truncating a 16-character password to
   8 characters is exactly the same as generating an 8-character password with the
  
positive.code: ------------------------------------------------------
  
  Yes.  The flags parameter can be adjusted on the command line with -f, or by
  entering +!flags=_value_+ at the "Enter code:" prompt.  When the flags are set
  to 0, all characters from hex 20 to hex 7E are included.  The different bits
  mean:
  
  
negative.code: ----------------------------------------------------------
  
  There is a version field that can be incremented to produce a completely
  different password.  Use `-v` or enter +!version=_value_+ at the “Enter code:”
  prompt.  The default version is 0, and values up to 2^32^-1 are accepted.  The
  version is encoded as part of the reminder.
  
  