+ "usage: halibut [options] files",
+ "options: --text[=filename] generate plain text output",
+ " --html[=filename] generate XHTML output",
+ " --winhelp[=filename] generate Windows Help output",
+ " --man[=filename] generate man page output",
+ " --info[=filename] generate GNU info output",
+ " --ps[=filename] generate PostScript output",
+ " --pdf[=filename] generate PDF output",
+ " -Cfoo:bar:baz append \\cfg{foo}{bar}{baz} to input",
+ " --precise report column numbers in error messages",
+ " --help display this text",
+ " --version display version number",
+ " --licence display licence text",