Several of the command-line options can be used to elicit information about the initial state of FWEB.
‘-@’ displays information about the control codes. See -AT.
‘-D’ displays information about reserved words. See -D_.
‘-y’ displays default dynamic memory allocations. See -y.
‘-Z’ displays default values of style-file parameters. See -Z_.
The ‘-h’ option reminds one about these information options; it
also provides convenient access to the GNU info browser.
See -h.