/usr/bin/ttfdeflang version [unknown] calling Getopt::Std::getopts (version 1.15 [paranoid]),
running under Perl version 5.44.0.

Usage: ttfdeflang [-OPTIONS [-MORE_OPTIONS]] [--] [PROGRAM_ARG1 ...]

The following single-character options are accepted:
	With arguments: -d -n
	Boolean (without arguments): -h

Options may be merged together.  -- stops processing of options.
Space is not required between options and their arguments.

For more details run
    perldoc -F /usr/bin/ttfdeflang
  [Now continuing due to backward compatibility and excessive paranoia.
   See 'perldoc Getopt::Std' about $Getopt::Std::STANDARD_HELP_VERSION.]
Usage:
      ttfdeflang -d lang infile.ttf outfile.ttf
    Creates a font with the given language id as being default.

Options:
      -d lang   Language id to use as default