therion [-q] [-L] [-l log-file]
	[-s source-file] [-p search-path]
	[-b|--bezier]
	[-d] [-x] [cfg-file]

therion [-h|--help]
        [-v|--version]
        [--print-encodings]
        [--print-environment]
        [--print-init-file]
        [--print-library-src]
        [--print-symbols]
        [--print-tex-encodings]
        [--print-xtherion-src]
        [--reproducible-output]
        [--generate-output-crc]
        [--verify-output-crc]