fusage(FILE * f, int err)
{
    fversion(f);
    /* FIXME: gettextize? */
    fprintf(f, "usage: w3m [options] [URL or filename]\noptions:\n");
    fprintf(f, "    -t tab           set tab width\n");
    fprintf(f, "    -r               ignore backspace effect\n");
    fprintf(f, "    -l line          # of preserved line (default 10000)\n");
#ifdef USE_M17N
    fprintf(f, "    -I charset       document charset\n");
    fprintf(f, "    -O charset       display/output charset\n");
#if 0				/* use -O{s|j|e} instead */
    fprintf(f, "    -e               EUC-JP\n");
    fprintf(f, "    -s               Shift_JIS\n");
    fprintf(f, "    -j               JIS\n");
#endif
#endif
    fprintf(f, "    -B               load bookmark\n");
    fprintf(f, "    -bookmark file   specify bookmark file\n");
    fprintf(f, "    -T type          specify content-type\n");
    fprintf(f, "    -m               internet message mode\n");
    fprintf(f, "    -v               visual startup mode\n");
#ifdef USE_COLOR
    fprintf(f, "    -M               monochrome display\n");
#endif				/* USE_COLOR */
    fprintf(f,
	    "    -N               open URL of command line on each new tab\n");
    fprintf(f, "    -F               automatically render frames\n");
    fprintf(f,
	    "    -cols width      specify column width (used with -dump)\n");
    fprintf(f,
	    "    -ppc count       specify the number of pixels per character (4.0...32.0)\n");
#ifdef USE_IMAGE
    fprintf(f,
	    "    -ppl count       specify the number of pixels per line (4.0...64.0)\n");
#endif
    fprintf(f, "    -dump            dump formatted page into stdout\n");
    fprintf(f,
	    "    -dump_head       dump response of HEAD request into stdout\n");
    fprintf(f, "    -dump_source     dump page source into stdout\n");
    fprintf(f, "    -dump_both       dump HEAD and source into stdout\n");
    fprintf(f,
	    "    -dump_extra      dump HEAD, source, and extra information into stdout\n");
    fprintf(f, "    -post file       use POST method with file content\n");
    fprintf(f, "    -header string   insert string as a header\n");
    fprintf(f, "    +<num>           goto <num> line\n");
    fprintf(f, "    -num             show line number\n");
    fprintf(f, "    -no-proxy        don't use proxy\n");
#ifdef INET6
    fprintf(f, "    -4               IPv4 only (-o dns_order=4)\n");
    fprintf(f, "    -6               IPv6 only (-o dns_order=6)\n");
#endif
#ifdef USE_MOUSE
    fprintf(f, "    -no-mouse        don't use mouse\n");
#endif				/* USE_MOUSE */
#ifdef USE_COOKIE
    fprintf(f,
	    "    -cookie          use cookie (-no-cookie: don't use cookie)\n");
#endif				/* USE_COOKIE */
    fprintf(f, "    -graph           use DEC special graphics for border of table and menu\n");
    fprintf(f, "    -no-graph        use ASCII character for border of table and menu\n");
#if 1				/* pager requires -s */
    fprintf(f, "    -s               squeeze multiple blank lines\n");
#else
    fprintf(f, "    -S               squeeze multiple blank lines\n");
#endif
    fprintf(f, "    -W               toggle search wrap mode\n");
    fprintf(f, "    -X               don't use termcap init/deinit\n");
    fprintf(f,
	    "    -title[=TERM]    set buffer name to terminal title string\n");
    fprintf(f, "    -o opt=value     assign value to config option\n");
    fprintf(f, "    -show-option     print all config options\n");
    fprintf(f, "    -config file     specify config file\n");
    fprintf(f, "    -help            print this usage message\n");
    fprintf(f, "    -version         print w3m version\n");
    fprintf(f, "    -reqlog          write request logfile\n");
    fprintf(f, "    -debug           DO NOT USE\n");
    if (show_params_p)
	show_params(f);
    exit(err);
}