required_argument  334 maint/gnulib/lib/argp-parse.c                           : required_argument)
required_argument   27 maint/gnulib/tests/test-getopt_long.h     { "prune",    required_argument, NULL, 'p' },
required_argument   28 maint/gnulib/tests/test-getopt_long.h     { "quetsche", required_argument, &q_seen, 1 },