of all available modules. {cmd} -n Start an HTTP server with the given hostname (default: localhost). {cmd} -p Start an HTTP server on the given port on the local machine. Port number 0 can be used to get an arbitrary unused port. {cmd} -b Start an HTTP server on an arbitrary unused port and open a web browser to interactively browse documentation. This option can be used in combination with -n and/or -p. {cmd} -w ... Write out the HTML documentation for a module to a file in the current directory. If contains a '{sep}', it is treated as a filename; if it names a directory, documentation is written for all the contents. )