Adding upstream version 0.5.1upstream/0.5.1

1 files changed, 6597 insertions, 0 deletions

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..79d6026
--- /dev/null
+++ b/main.c
@@ -0,0 +1,6597 @@
+/* $Id: main.c,v 1.242 2004/04/04 16:47:20 ukai Exp $ */
+#define MAINPROGRAM
+#include "fm.h"
+#include <signal.h>
+#include <setjmp.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#if defined(HAVE_WAITPID) || defined(HAVE_WAIT3)
+#include <sys/wait.h>
+#endif
+#include <time.h>
+#include "terms.h"
+#include "myctype.h"
+#include "regex.h"
+#ifdef USE_MOUSE
+#ifdef USE_GPM
+#include <gpm.h>
+#endif				/* USE_GPM */
+#if defined(USE_GPM) || defined(USE_SYSMOUSE)
+extern int do_getch();
+#define getch()	do_getch()
+#endif				/* defined(USE_GPM) || defined(USE_SYSMOUSE) */
+#endif
+
+#define DSTR_LEN	256
+
+Hist *LoadHist;
+Hist *SaveHist;
+Hist *URLHist;
+Hist *ShellHist;
+Hist *TextHist;
+
+typedef struct _Event {
+    int cmd;
+    void *data;
+    struct _Event *next;
+} Event;
+static Event *CurrentEvent = NULL;
+static Event *LastEvent = NULL;
+
+#ifdef USE_ALARM
+static AlarmEvent DefaultAlarm = {
+    0, AL_UNSET, FUNCNAME_nulcmd, NULL
+};
+static AlarmEvent *CurrentAlarm = &DefaultAlarm;
+static MySignalHandler SigAlarm(SIGNAL_ARG);
+#endif
+
+#ifdef SIGWINCH
+static int need_resize_screen = FALSE;
+static MySignalHandler resize_hook(SIGNAL_ARG);
+static MySignalHandler resize_handler(SIGNAL_ARG);
+static void resize_screen(void);
+#endif
+
+#ifdef SIGPIPE
+static MySignalHandler SigPipe(SIGNAL_ARG);
+#endif
+
+#ifdef USE_MARK
+static char *MarkString = NULL;
+#endif
+static char *SearchString = NULL;
+int (*searchRoutine) (Buffer *, char *);
+
+JMP_BUF IntReturn;
+
+static void delBuffer(Buffer *buf);
+static void cmd_loadfile(char *path);
+static void cmd_loadURL(char *url, ParsedURL *current, char *referer,
+			FormList *request);
+static void cmd_loadBuffer(Buffer *buf, int prop, int linkid);
+static void keyPressEventProc(int c);
+int show_params_p = 0;
+void show_params(FILE * fp);
+
+static char *getCurWord(Buffer *buf, int *spos, int *epos,
+			const char *badchars);
+
+static int display_ok = FALSE;
+static void do_dump(Buffer *);
+int prec_num = 0;
+int prev_key = -1;
+int on_target = 1;
+static int add_download_list = FALSE;
+
+void set_buffer_environ(Buffer *);
+static void save_buffer_position(Buffer *buf);
+
+static void _followForm(int);
+static void _goLine(char *);
+static void _newT(void);
+static void followTab(TabBuffer * tab);
+static void moveTab(TabBuffer * t, TabBuffer * t2, int right);
+static void _nextA(int);
+static void _prevA(int);
+static int check_target = TRUE;
+#define PREC_NUM (prec_num ? prec_num : 1)
+#define PREC_LIMIT 10000
+static int searchKeyNum(void);
+
+#define help() fusage(stdout, 0)
+#define usage() fusage(stderr, 1)
+
+static void
+fversion(FILE * f)
+{
+    fprintf(f, "w3m version %s, options %s\n", w3m_version,
+#if LANG == JA
+	    "lang=ja"
+#else
+	    "lang=en"
+#endif
+#ifdef USE_M17N
+	    ",m17n"
+#endif
+#ifdef USE_IMAGE
+	    ",image"
+#endif
+#ifdef USE_COLOR
+	    ",color"
+#ifdef USE_ANSI_COLOR
+	    ",ansi-color"
+#endif
+#endif
+#ifdef USE_MOUSE
+	    ",mouse"
+#ifdef USE_GPM
+	    ",gpm"
+#endif
+#ifdef USE_SYSMOUSE
+	    ",sysmouse"
+#endif
+#endif
+#ifdef USE_MENU
+	    ",menu"
+#endif
+#ifdef USE_COOKIE
+	    ",cookie"
+#endif
+#ifdef USE_SSL
+	    ",ssl"
+#ifdef USE_SSL_VERIFY
+	    ",ssl-verify"
+#endif
+#endif
+#ifdef USE_EXTERNAL_URI_LOADER
+	    ",external-uri-loader"
+#endif
+#ifdef USE_W3MMAILER
+	    ",w3mmailer"
+#endif
+#ifdef USE_NNTP
+	    ",nntp"
+#endif
+#ifdef USE_GOPHER
+	    ",gopher"
+#endif
+#ifdef INET6
+	    ",ipv6"
+#endif
+#ifdef USE_ALARM
+	    ",alarm"
+#endif
+#ifdef USE_MARK
+	    ",mark"
+#endif
+#ifdef USE_MIGEMO
+	    ",migemo"
+#endif
+	);
+}
+
+static void
+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");
+#ifndef DEBIAN			/* disabled by ukai: -s is used for squeeze multi lines */
+    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 frame\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, "    -pauth user:pass proxy authentication\n");
+    fprintf(f, "    -graph           use graphic character\n");
+    fprintf(f, "    -no-graph        don't use graphic character\n");
+#ifdef DEBIAN			/* replaced by ukai: 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 wrap search 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, "    -debug           DO NOT USE\n");
+    if (show_params_p)
+	show_params(f);
+    exit(err);
+}
+
+#ifdef USE_M17N
+#ifdef __EMX__
+static char *getCodePage(void);
+#endif
+#endif
+
+static GC_warn_proc orig_GC_warn_proc = NULL;
+#define GC_WARN_KEEP_MAX (20)
+
+static void
+wrap_GC_warn_proc(char *msg, GC_word arg)
+{
+    if (fmInitialized) {
+	/* *INDENT-OFF* */
+	static struct {
+	    char *msg;
+	    GC_word arg;
+	} msg_ring[GC_WARN_KEEP_MAX];
+	/* *INDENT-ON* */
+	static int i = 0;
+	static int n = 0;
+	static int lock = 0;
+	int j;
+
+	j = (i + n) % (sizeof(msg_ring) / sizeof(msg_ring[0]));
+	msg_ring[j].msg = msg;
+	msg_ring[j].arg = arg;
+
+	if (n < sizeof(msg_ring) / sizeof(msg_ring[0]))
+	    ++n;
+	else
+	    ++i;
+
+	if (!lock) {
+	    lock = 1;
+
+	    for (; n > 0; --n, ++i) {
+		i %= sizeof(msg_ring) / sizeof(msg_ring[0]);
+		disp_message_nsec(Sprintf
+				  (msg_ring[i].msg,
+				   (unsigned long)msg_ring[i].arg)->ptr, FALSE,
+				  1, TRUE, FALSE);
+	    }
+
+	    lock = 0;
+	}
+    }
+    else if (orig_GC_warn_proc)
+	orig_GC_warn_proc(msg, arg);
+    else
+	fprintf(stderr, msg, (unsigned long)arg);
+}
+
+#ifdef SIGCHLD
+static void
+sig_chld(int signo)
+{
+    int p_stat;
+#ifdef HAVE_WAITPID
+    pid_t pid;
+
+    while ((pid = waitpid(-1, &p_stat, WNOHANG)) > 0) {
+	;
+    }
+#elif HAVE_WAIT3
+    int pid;
+
+    while ((pid = wait3(&p_stat, WNOHANG, NULL)) > 0) {
+	;
+    }
+#else
+    wait(&p_stat);
+#endif
+    mySignal(SIGCHLD, sig_chld);
+    return;
+}
+#endif
+
+Str
+make_optional_header_string(char *s)
+{
+    char *p;
+    Str hs;
+
+    if (strchr(s, '\n') || strchr(s, '\r'))
+	return NULL;
+    for (p = s; *p && *p != ':'; p++) ;
+    if (*p != ':' || p == s)
+	return NULL;
+    hs = Strnew_size(strlen(s) + 3);
+    Strcopy_charp_n(hs, s, p - s);
+    if (!Strcasecmp_charp(hs, "content-type"))
+	override_content_type = TRUE;
+    Strcat_charp(hs, ": ");
+    if (*(++p)) {		/* not null header */
+	SKIP_BLANKS(p);		/* skip white spaces */
+	Strcat_charp(hs, p);
+    }
+    Strcat_charp(hs, "\r\n");
+    return hs;
+}
+
+int
+main(int argc, char **argv, char **envp)
+{
+    Buffer *newbuf = NULL;
+    char *p, c;
+    int i;
+    InputStream redin;
+    char *line_str = NULL;
+    char **load_argv;
+    FormList *request;
+    int load_argc = 0;
+    int load_bookmark = FALSE;
+    int visual_start = FALSE;
+    int open_new_tab = FALSE;
+    char search_header = FALSE;
+    char *default_type = NULL;
+    char *post_file = NULL;
+    Str err_msg;
+#ifdef USE_M17N
+    char *Locale = NULL;
+    wc_uint8 auto_detect;
+#ifdef __EMX__
+    wc_ces CodePage;
+#endif
+#endif
+    GC_init();
+    setlocale(LC_ALL, "");
+    bindtextdomain(PACKAGE, LOCALEDIR);
+    textdomain(PACKAGE);
+
+#ifndef HAVE_SYS_ERRLIST
+    prepare_sys_errlist();
+#endif				/* not HAVE_SYS_ERRLIST */
+
+    NO_proxy_domains = newTextList();
+    fileToDelete = newTextList();
+
+    load_argv = New_N(char *, argc - 1);
+    load_argc = 0;
+
+    CurrentDir = currentdir();
+    CurrentPid = (int)getpid();
+    BookmarkFile = NULL;
+    config_file = NULL;
+
+    /* argument search 1 */
+    for (i = 1; i < argc; i++) {
+	if (*argv[i] == '-') {
+	    if (!strcmp("-config", argv[i])) {
+		argv[i] = "-dummy";
+		if (++i >= argc)
+		    usage();
+		config_file = argv[i];
+		argv[i] = "-dummy";
+	    }
+	    else if (!strcmp("-h", argv[i]) || !strcmp("-help", argv[i]))
+		help();
+	    else if (!strcmp("-V", argv[i]) || !strcmp("-version", argv[i])) {
+		fversion(stdout);
+		exit(0);
+	    }
+	}
+    }
+
+#ifdef USE_M17N
+    if (non_null(Locale = getenv("LC_ALL")) ||
+	non_null(Locale = getenv("LC_CTYPE")) ||
+	non_null(Locale = getenv("LANG"))) {
+	DisplayCharset = wc_guess_locale_charset(Locale, DisplayCharset);
+	DocumentCharset = wc_guess_locale_charset(Locale, DocumentCharset);
+	SystemCharset = wc_guess_locale_charset(Locale, SystemCharset);
+    }
+#ifdef __EMX__
+    CodePage = wc_guess_charset(getCodePage(), 0);
+    if (CodePage)
+	DisplayCharset = DocumentCharset = SystemCharset = CodePage;
+#endif
+#endif
+
+    /* initializations */
+    init_rc();
+
+    LoadHist = newHist();
+    SaveHist = newHist();
+    ShellHist = newHist();
+    TextHist = newHist();
+    URLHist = newHist();
+
+#ifdef USE_M17N
+    if (FollowLocale && Locale) {
+	DisplayCharset = wc_guess_locale_charset(Locale, DisplayCharset);
+	SystemCharset = wc_guess_locale_charset(Locale, SystemCharset);
+    }
+    auto_detect = WcOption.auto_detect;
+#endif
+
+    if (!non_null(HTTP_proxy) &&
+	((p = getenv("HTTP_PROXY")) ||
+	 (p = getenv("http_proxy")) || (p = getenv("HTTP_proxy"))))
+	HTTP_proxy = p;
+#ifdef USE_SSL
+    if (!non_null(HTTPS_proxy) &&
+	((p = getenv("HTTPS_PROXY")) ||
+	 (p = getenv("https_proxy")) || (p = getenv("HTTPS_proxy"))))
+	HTTPS_proxy = p;
+    if (HTTPS_proxy == NULL && non_null(HTTP_proxy))
+	HTTPS_proxy = HTTP_proxy;
+#endif				/* USE_SSL */
+#ifdef USE_GOPHER
+    if (!non_null(GOPHER_proxy) &&
+	((p = getenv("GOPHER_PROXY")) ||
+	 (p = getenv("gopher_proxy")) || (p = getenv("GOPHER_proxy"))))
+	GOPHER_proxy = p;
+#endif				/* USE_GOPHER */
+    if (!non_null(FTP_proxy) &&
+	((p = getenv("FTP_PROXY")) ||
+	 (p = getenv("ftp_proxy")) || (p = getenv("FTP_proxy"))))
+	FTP_proxy = p;
+    if (!non_null(NO_proxy) &&
+	((p = getenv("NO_PROXY")) ||
+	 (p = getenv("no_proxy")) || (p = getenv("NO_proxy"))))
+	NO_proxy = p;
+#ifdef USE_NNTP
+    if (!non_null(NNTP_server) && (p = getenv("NNTPSERVER")) != NULL)
+	NNTP_server = p;
+    if (!non_null(NNTP_mode) && (p = getenv("NNTPMODE")) != NULL)
+	NNTP_mode = p;
+#endif
+
+    if (!non_null(Editor) && (p = getenv("EDITOR")) != NULL)
+	Editor = p;
+    if (!non_null(Mailer) && (p = getenv("MAILER")) != NULL)
+	Mailer = p;
+
+    /* argument search 2 */
+    i = 1;
+    while (i < argc) {
+	if (*argv[i] == '-') {
+	    if (!strcmp("-t", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		if (atoi(argv[i]) > 0)
+		    Tabstop = atoi(argv[i]);
+	    }
+	    else if (!strcmp("-r", argv[i]))
+		ShowEffect = FALSE;
+	    else if (!strcmp("-l", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		if (atoi(argv[i]) > 0)
+		    PagerMax = atoi(argv[i]);
+	    }
+#ifdef USE_M17N
+#ifndef DEBIAN			/* XXX: use -o kanjicode={S|J|E} */
+	    else if (!strcmp("-s", argv[i]))
+		DisplayCharset = WC_CES_SHIFT_JIS;
+	    else if (!strcmp("-j", argv[i]))
+		DisplayCharset = WC_CES_ISO_2022_JP;
+	    else if (!strcmp("-e", argv[i]))
+		DisplayCharset = WC_CES_EUC_JP;
+#endif
+	    else if (!strncmp("-I", argv[i], 2)) {
+		if (argv[i][2] != '\0')
+		    p = argv[i] + 2;
+		else {
+		    if (++i >= argc)
+			usage();
+		    p = argv[i];
+		}
+		DocumentCharset = wc_guess_charset_short(p, DocumentCharset);
+		WcOption.auto_detect = WC_OPT_DETECT_OFF;
+		UseContentCharset = FALSE;
+	    }
+	    else if (!strncmp("-O", argv[i], 2)) {
+		if (argv[i][2] != '\0')
+		    p = argv[i] + 2;
+		else {
+		    if (++i >= argc)
+			usage();
+		    p = argv[i];
+		}
+		DisplayCharset = wc_guess_charset_short(p, DisplayCharset);
+	    }
+#endif
+	    else if (!strcmp("-graph", argv[i]))
+		UseGraphicChar = TRUE;
+	    else if (!strcmp("-no-graph", argv[i]))
+		UseGraphicChar = FALSE;
+	    else if (!strcmp("-T", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		DefaultType = default_type = argv[i];
+	    }
+	    else if (!strcmp("-m", argv[i]))
+		SearchHeader = search_header = TRUE;
+	    else if (!strcmp("-v", argv[i]))
+		visual_start = TRUE;
+	    else if (!strcmp("-N", argv[i]))
+		open_new_tab = TRUE;
+#ifdef USE_COLOR
+	    else if (!strcmp("-M", argv[i]))
+		useColor = FALSE;
+#endif				/* USE_COLOR */
+	    else if (!strcmp("-B", argv[i]))
+		load_bookmark = TRUE;
+	    else if (!strcmp("-bookmark", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		BookmarkFile = argv[i];
+		if (BookmarkFile[0] != '~' && BookmarkFile[0] != '/') {
+		    Str tmp = Strnew_charp(CurrentDir);
+		    if (Strlastchar(tmp) != '/')
+			Strcat_char(tmp, '/');
+		    Strcat_charp(tmp, BookmarkFile);
+		    BookmarkFile = cleanupName(tmp->ptr);
+		}
+	    }
+	    else if (!strcmp("-F", argv[i]))
+		RenderFrame = TRUE;
+	    else if (!strcmp("-W", argv[i])) {
+		if (WrapDefault)
+		    WrapDefault = FALSE;
+		else
+		    WrapDefault = TRUE;
+	    }
+	    else if (!strcmp("-dump", argv[i]))
+		w3m_dump = DUMP_BUFFER;
+	    else if (!strcmp("-dump_source", argv[i]))
+		w3m_dump = DUMP_SOURCE;
+	    else if (!strcmp("-dump_head", argv[i]))
+		w3m_dump = DUMP_HEAD;
+	    else if (!strcmp("-dump_both", argv[i]))
+		w3m_dump = (DUMP_HEAD | DUMP_SOURCE);
+	    else if (!strcmp("-dump_extra", argv[i]))
+		w3m_dump = (DUMP_HEAD | DUMP_SOURCE | DUMP_EXTRA);
+	    else if (!strcmp("-halfdump", argv[i]))
+		w3m_dump = DUMP_HALFDUMP;
+	    else if (!strcmp("-halfload", argv[i])) {
+		w3m_dump = 0;
+		w3m_halfload = TRUE;
+		DefaultType = default_type = "text/html";
+	    }
+	    else if (!strcmp("-backend", argv[i])) {
+		w3m_backend = TRUE;
+	    }
+	    else if (!strcmp("-backend_batch", argv[i])) {
+		w3m_backend = TRUE;
+		if (++i >= argc)
+		    usage();
+		if (!backend_batch_commands)
+		    backend_batch_commands = newTextList();
+		pushText(backend_batch_commands, argv[i]);
+	    }
+	    else if (!strcmp("-cols", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		COLS = atoi(argv[i]);
+	    }
+	    else if (!strcmp("-ppc", argv[i])) {
+		double ppc;
+		if (++i >= argc)
+		    usage();
+		ppc = atof(argv[i]);
+		if (ppc >= MINIMUM_PIXEL_PER_CHAR &&
+		    ppc <= MAXIMUM_PIXEL_PER_CHAR) {
+		    pixel_per_char = ppc;
+		    set_pixel_per_char = TRUE;
+		}
+	    }
+#ifdef USE_IMAGE
+	    else if (!strcmp("-ppl", argv[i])) {
+		double ppc;
+		if (++i >= argc)
+		    usage();
+		ppc = atof(argv[i]);
+		if (ppc >= MINIMUM_PIXEL_PER_CHAR &&
+		    ppc <= MAXIMUM_PIXEL_PER_CHAR * 2) {
+		    pixel_per_line = ppc;
+		    set_pixel_per_line = TRUE;
+		}
+	    }
+#endif
+	    else if (!strcmp("-num", argv[i]))
+		showLineNum = TRUE;
+	    else if (!strcmp("-no-proxy", argv[i]))
+		use_proxy = FALSE;
+#ifdef INET6
+	    else if (!strcmp("-4", argv[i]) || !strcmp("-6", argv[i]))
+		set_param_option(Sprintf("dns_order=%c", argv[i][1])->ptr);
+#endif
+	    else if (!strcmp("-post", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		post_file = argv[i];
+	    }
+	    else if (!strcmp("-header", argv[i])) {
+		Str hs;
+		if (++i >= argc)
+		    usage();
+		if ((hs = make_optional_header_string(argv[i])) != NULL) {
+		    if (header_string == NULL)
+			header_string = hs;
+		    else
+			Strcat(header_string, hs);
+		}
+		while (argv[i][0]) {
+		    argv[i][0] = '\0';
+		    argv[i]++;
+		}
+	    }
+#ifdef USE_MOUSE
+	    else if (!strcmp("-no-mouse", argv[i])) {
+		use_mouse = FALSE;
+	    }
+#endif				/* USE_MOUSE */
+#ifdef USE_COOKIE
+	    else if (!strcmp("-no-cookie", argv[i])) {
+		use_cookie = FALSE;
+		accept_cookie = FALSE;
+	    }
+	    else if (!strcmp("-cookie", argv[i])) {
+		use_cookie = TRUE;
+		accept_cookie = TRUE;
+	    }
+#endif				/* USE_COOKIE */
+	    else if (!strcmp("-pauth", argv[i])) {
+		if (++i >= argc)
+		    usage();
+		proxy_auth_cookie = Strnew_m_charp("Basic ",
+						   encodeB(argv[i])->ptr,
+						   NULL);
+		while (argv[i][0]) {
+		    argv[i][0] = '\0';
+		    argv[i]++;
+		}
+	    }
+#ifdef DEBIAN
+	    else if (!strcmp("-s", argv[i]))
+#else
+	    else if (!strcmp("-S", argv[i]))
+#endif
+		squeezeBlankLine = TRUE;
+	    else if (!strcmp("-X", argv[i]))
+		Do_not_use_ti_te = TRUE;
+	    else if (!strcmp("-title", argv[i]))
+		displayTitleTerm = getenv("TERM");
+	    else if (!strncmp("-title=", argv[i], 7))
+		displayTitleTerm = argv[i] + 7;
+	    else if (!strcmp("-o", argv[i]) ||
+		     !strcmp("-show-option", argv[i])) {
+		if (!strcmp("-show-option", argv[i]) || ++i >= argc ||
+		    !strcmp(argv[i], "?")) {
+		    show_params(stdout);
+		    exit(0);
+		}
+		if (!set_param_option(argv[i])) {
+		    /* option set failed */
+		    /* FIXME: gettextize? */
+		    fprintf(stderr, "%s: bad option\n", argv[i]);
+		    show_params_p = 1;
+		    usage();
+		}
+	    }
+	    else if (!strcmp("-dummy", argv[i])) {
+		/* do nothing */
+	    }
+	    else if (!strcmp("-debug", argv[i]))
+		w3m_debug = TRUE;
+	    else {
+		usage();
+	    }
+	}
+	else if (*argv[i] == '+') {
+	    line_str = argv[i] + 1;
+	}
+	else {
+	    load_argv[load_argc++] = argv[i];
+	}
+	i++;
+    }
+
+#ifdef	__WATT32__
+    if (w3m_debug)
+	dbug_init();
+    sock_init();
+#endif
+
+    FirstTab = NULL;
+    LastTab = NULL;
+    nTab = 0;
+    CurrentTab = NULL;
+    CurrentKey = -1;
+    if (BookmarkFile == NULL)
+	BookmarkFile = rcFile(BOOKMARK);
+
+    if (!isatty(1) && !w3m_dump) {
+	/* redirected output */
+	w3m_dump = DUMP_BUFFER;
+    }
+    if (w3m_dump) {
+	if (COLS == 0)
+	    COLS = 80;
+    }
+
+#ifdef USE_BINMODE_STREAM
+    setmode(fileno(stdout), O_BINARY);
+#endif
+    if (!w3m_dump && !w3m_backend) {
+	fmInit();
+#ifdef SIGWINCH
+	mySignal(SIGWINCH, resize_hook);
+#else				/* not SIGWINCH */
+	setlinescols();
+	setupscreen();
+#endif				/* not SIGWINCH */
+    }
+#ifdef USE_IMAGE
+    else if (w3m_halfdump && displayImage)
+	activeImage = TRUE;
+#endif
+
+    sync_with_option();
+#ifdef USE_COOKIE
+    initCookie();
+#endif				/* USE_COOKIE */
+#ifdef USE_HISTORY
+    if (UseHistory)
+	loadHistory(URLHist);
+#endif				/* not USE_HISTORY */
+
+#ifdef USE_M17N
+    wtf_init(DocumentCharset, DisplayCharset);
+    /*  if (w3m_dump)
+     *    WcOption.pre_conv = WC_TRUE; 
+     */
+#endif
+
+    if (w3m_backend)
+	backend();
+
+    if (w3m_dump)
+	mySignal(SIGINT, SIG_IGN);
+#ifdef SIGCHLD
+    mySignal(SIGCHLD, sig_chld);
+#endif
+#ifdef SIGPIPE
+    mySignal(SIGPIPE, SigPipe);
+#endif
+
+    orig_GC_warn_proc = GC_set_warn_proc(wrap_GC_warn_proc);
+    err_msg = Strnew();
+    if (load_argc == 0) {
+	/* no URL specified */
+	if (!isatty(0)) {
+	    redin = newFileStream(fdopen(dup(0), "rb"), (void (*)())pclose);
+	    newbuf = openGeneralPagerBuffer(redin);
+	    dup2(1, 0);
+	}
+	else if (load_bookmark) {
+	    newbuf = loadGeneralFile(BookmarkFile, NULL, NO_REFERER, 0, NULL);
+	    if (newbuf == NULL)
+		Strcat_charp(err_msg, "w3m: Can't load bookmark.\n");
+	}
+	else if (visual_start) {
+	    /* FIXME: gettextize? */
+	    Str s_page;
+	    s_page =
+		Strnew_charp
+		("<title>W3M startup page</title><center><b>Welcome to ");
+	    Strcat_charp(s_page, "<a href='http://w3m.sourceforge.net/'>");
+	    Strcat_m_charp(s_page,
+			   "w3m</a>!<p><p>This is w3m version ",
+			   w3m_version,
+			   "<br>Written by <a href='mailto:aito@fw.ipsj.or.jp'>Akinori Ito</a>",
+			   NULL);
+#ifdef DEBIAN
+	    Strcat_m_charp(s_page,
+			   "<p>Debian package is maintained by <a href='mailto:ukai@debian.or.jp'>Fumitoshi UKAI</a>.",
+			   "You can read <a href='file:///usr/share/doc/w3m/'>w3m documents on your local system</a>.",
+			   NULL);
+#endif				/* DEBIAN */
+	    newbuf = loadHTMLString(s_page);
+	    if (newbuf == NULL)
+		Strcat_charp(err_msg, "w3m: Can't load string.\n");
+	    else if (newbuf != NO_BUFFER)
+		newbuf->bufferprop |= (BP_INTERNAL | BP_NO_URL);
+	}
+	else if ((p = getenv("HTTP_HOME")) != NULL ||
+		 (p = getenv("WWW_HOME")) != NULL) {
+	    newbuf = loadGeneralFile(p, NULL, NO_REFERER, 0, NULL);
+	    if (newbuf == NULL)
+		Strcat(err_msg, Sprintf("w3m: Can't load %s.\n", p));
+	    else if (newbuf != NO_BUFFER)
+		pushHashHist(URLHist, parsedURL2Str(&newbuf->currentURL)->ptr);
+	}
+	else {
+	    if (fmInitialized)
+		fmTerm();
+	    usage();
+	}
+	if (newbuf == NULL) {
+	    if (fmInitialized)
+		fmTerm();
+	    if (err_msg->length)
+		fprintf(stderr, "%s", err_msg->ptr);
+	    w3m_exit(2);
+	}
+	i = -1;
+    }
+    else {
+	i = 0;
+    }
+    for (; i < load_argc; i++) {
+	if (i >= 0) {
+	    SearchHeader = search_header;
+	    DefaultType = default_type;
+	    if (w3m_dump == DUMP_HEAD) {
+		request = New(FormList);
+		request->method = FORM_METHOD_HEAD;
+		newbuf =
+		    loadGeneralFile(load_argv[i], NULL, NO_REFERER, 0,
+				    request);
+	    }
+	    else {
+		if (post_file && i == 0) {
+		    FILE *fp;
+		    Str body;
+		    if (!strcmp(post_file, "-"))
+			fp = stdin;
+		    else
+			fp = fopen(post_file, "r");
+		    if (fp == NULL) {
+			/* FIXME: gettextize? */
+			Strcat(err_msg,
+			       Sprintf("w3m: Can't open %s.\n", post_file));
+			continue;
+		    }
+		    body = Strfgetall(fp);
+		    if (fp != stdin)
+			fclose(fp);
+		    request =
+			newFormList(NULL, "post", NULL, NULL, NULL, NULL,
+				    NULL);
+		    request->body = body->ptr;
+		    request->boundary = NULL;
+		    request->length = body->length;
+		}
+		else {
+		    request = NULL;
+		}
+		newbuf =
+		    loadGeneralFile(load_argv[i], NULL, NO_REFERER, 0,
+				    request);
+	    }
+	    if (newbuf == NULL) {
+		/* FIXME: gettextize? */
+		Strcat(err_msg,
+		       Sprintf("w3m: Can't load %s.\n", load_argv[i]));
+		continue;
+	    }
+	    else if (newbuf == NO_BUFFER)
+		continue;
+	    switch (newbuf->real_scheme) {
+	    case SCM_MAILTO:
+		break;
+	    case SCM_LOCAL:
+	    case SCM_LOCAL_CGI:
+		unshiftHist(LoadHist, conv_from_system(load_argv[i]));
+	    default:
+		pushHashHist(URLHist, parsedURL2Str(&newbuf->currentURL)->ptr);
+		break;
+	    }
+	}
+	else if (newbuf == NO_BUFFER)
+	    continue;
+	if (newbuf->pagerSource ||
+	    (newbuf->real_scheme == SCM_LOCAL && newbuf->header_source &&
+	     newbuf->currentURL.file && strcmp(newbuf->currentURL.file, "-")))
+	    newbuf->search_header = search_header;
+	if (CurrentTab == NULL) {
+	    FirstTab = LastTab = CurrentTab = newTab();
+	    nTab = 1;
+	    Firstbuf = Currentbuf = newbuf;
+	}
+	else if (open_new_tab) {
+	    _newT();
+	    Currentbuf->nextBuffer = newbuf;
+	    delBuffer(Currentbuf);
+	}
+	else {
+	    Currentbuf->nextBuffer = newbuf;
+	    Currentbuf = newbuf;
+	}
+	if (!w3m_dump || w3m_dump == DUMP_BUFFER) {
+	    if (Currentbuf->frameset != NULL && RenderFrame)
+		rFrame();
+	}
+	if (w3m_dump)
+	    do_dump(Currentbuf);
+	else {
+	    Currentbuf = newbuf;
+#ifdef USE_BUFINFO
+	    saveBufferInfo();
+#endif
+	}
+    }
+    if (w3m_dump) {
+	if (err_msg->length)
+	    fprintf(stderr, "%s", err_msg->ptr);
+#ifdef USE_COOKIE
+	save_cookies();
+#endif				/* USE_COOKIE */
+	w3m_exit(0);
+    }
+
+    if (add_download_list) {
+	add_download_list = FALSE;
+	CurrentTab = LastTab;
+	if (!FirstTab) {
+	    FirstTab = LastTab = CurrentTab = newTab();
+	    nTab = 1;
+	}
+	if (!Firstbuf || Firstbuf == NO_BUFFER) {
+	    Firstbuf = Currentbuf = newBuffer(INIT_BUFFER_WIDTH);
+	    Currentbuf->bufferprop = BP_INTERNAL | BP_NO_URL;
+	    Currentbuf->buffername = DOWNLOAD_LIST_TITLE;
+	}
+	else
+	    Currentbuf = Firstbuf;
+	ldDL();
+    }
+    else
+	CurrentTab = FirstTab;
+    if (!FirstTab || !Firstbuf || Firstbuf == NO_BUFFER) {
+	if (newbuf == NO_BUFFER) {
+	    if (fmInitialized)
+		/* FIXME: gettextize? */
+		inputChar("Hit any key to quit w3m:");
+	}
+	if (fmInitialized)
+	    fmTerm();
+	if (err_msg->length)
+	    fprintf(stderr, "%s", err_msg->ptr);
+	if (newbuf == NO_BUFFER) {
+#ifdef USE_COOKIE
+	    save_cookies();
+#endif				/* USE_COOKIE */
+	    if (!err_msg->length)
+		w3m_exit(0);
+	}
+	w3m_exit(2);
+    }
+    if (err_msg->length)
+	disp_message_nsec(err_msg->ptr, FALSE, 1, TRUE, FALSE);
+
+    SearchHeader = FALSE;
+    DefaultType = NULL;
+#ifdef USE_M17N
+    UseContentCharset = TRUE;
+    WcOption.auto_detect = auto_detect;
+#endif
+
+    Currentbuf = Firstbuf;
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    if (line_str) {
+	_goLine(line_str);
+    }
+    for (;;) {
+	if (add_download_list) {
+	    add_download_list = FALSE;
+	    ldDL();
+	}
+	if (Currentbuf->submit) {
+	    Anchor *a = Currentbuf->submit;
+	    Currentbuf->submit = NULL;
+	    gotoLine(Currentbuf, a->start.line);
+	    Currentbuf->pos = a->start.pos;
+	    _followForm(TRUE);
+	    continue;
+	}
+	/* event processing */
+	if (CurrentEvent) {
+	    CurrentKey = -1;
+	    CurrentKeyData = NULL;
+	    CurrentCmdData = (char *)CurrentEvent->data;
+	    w3mFuncList[CurrentEvent->cmd].func();
+	    CurrentCmdData = NULL;
+	    CurrentEvent = CurrentEvent->next;
+	    continue;
+	}
+	/* get keypress event */
+#ifdef USE_ALARM
+	if (Currentbuf->event) {
+	    if (Currentbuf->event->status != AL_UNSET) {
+		CurrentAlarm = Currentbuf->event;
+		if (CurrentAlarm->sec == 0) {	/* refresh (0sec) */
+		    Currentbuf->event = NULL;
+		    CurrentKey = -1;
+		    CurrentKeyData = NULL;
+		    CurrentCmdData = (char *)CurrentAlarm->data;
+		    w3mFuncList[CurrentAlarm->cmd].func();
+		    CurrentCmdData = NULL;
+		    continue;
+		}
+	    }
+	    else
+		Currentbuf->event = NULL;
+	}
+	if (!Currentbuf->event)
+	    CurrentAlarm = &DefaultAlarm;
+#endif
+#ifdef USE_MOUSE
+	mouse_action.in_action = FALSE;
+	if (use_mouse)
+	    mouse_active();
+#endif				/* USE_MOUSE */
+#ifdef USE_ALARM
+	if (CurrentAlarm->sec > 0) {
+	    mySignal(SIGALRM, SigAlarm);
+	    alarm(CurrentAlarm->sec);
+	}
+#endif
+#ifdef SIGWINCH
+	if (need_resize_screen) {
+	    need_resize_screen = FALSE;
+	    resize_screen();
+	}
+	mySignal(SIGWINCH, resize_handler);
+#endif
+#ifdef USE_IMAGE
+	if (activeImage && displayImage && Currentbuf->img &&
+	    !Currentbuf->image_loaded) {
+	    do {
+		loadImage(Currentbuf, IMG_FLAG_NEXT);
+	    } while (sleep_till_anykey(1, 0) <= 0);
+	}
+#endif
+	c = getch();
+#ifdef SIGWINCH
+	mySignal(SIGWINCH, resize_hook);
+#endif
+#ifdef USE_ALARM
+	if (CurrentAlarm->sec > 0) {
+	    alarm(0);
+	}
+#endif
+#ifdef USE_MOUSE
+	if (use_mouse)
+	    mouse_inactive();
+#endif				/* USE_MOUSE */
+	if (IS_ASCII(c)) {	/* Ascii */
+	    if (((prec_num && c == '0') || '1' <= c) && (c <= '9')) {
+		prec_num = prec_num * 10 + (int)(c - '0');
+		if (prec_num > PREC_LIMIT)
+		    prec_num = PREC_LIMIT;
+	    }
+	    else {
+		set_buffer_environ(Currentbuf);
+		save_buffer_position(Currentbuf);
+		keyPressEventProc((int)c);
+		prec_num = 0;
+	    }
+	}
+	prev_key = CurrentKey;
+	CurrentKey = -1;
+	CurrentKeyData = NULL;
+    }
+}
+
+static void
+keyPressEventProc(int c)
+{
+    CurrentKey = c;
+    w3mFuncList[(int)GlobalKeymap[c]].func();
+}
+
+void
+pushEvent(int cmd, void *data)
+{
+    Event *event;
+
+    event = New(Event);
+    event->cmd = cmd;
+    event->data = data;
+    event->next = NULL;
+    if (CurrentEvent)
+	LastEvent->next = event;
+    else
+	CurrentEvent = event;
+    LastEvent = event;
+}
+
+static void
+dump_source(Buffer *buf)
+{
+    FILE *f;
+    char c;
+    if (buf->sourcefile == NULL)
+	return;
+    f = fopen(buf->sourcefile, "r");
+    if (f == NULL)
+	return;
+    while (c = fgetc(f), !feof(f)) {
+	putchar(c);
+    }
+    fclose(f);
+}
+
+static void
+dump_head(Buffer *buf)
+{
+    TextListItem *ti;
+
+    if (buf->document_header == NULL) {
+	if (w3m_dump & DUMP_EXTRA)
+	    printf("\n");
+	return;
+    }
+    for (ti = buf->document_header->first; ti; ti = ti->next) {
+#ifdef USE_M17N
+	printf("%s",
+	       wc_conv_strict(ti->ptr, InnerCharset,
+			      buf->document_charset)->ptr);
+#else
+	printf("%s", ti->ptr);
+#endif
+    }
+    puts("");
+}
+
+static void
+dump_extra(Buffer *buf)
+{
+    printf("W3m-current-url: %s\n", parsedURL2Str(&buf->currentURL)->ptr);
+    if (buf->baseURL)
+	printf("W3m-base-url: %s\n", parsedURL2Str(buf->baseURL)->ptr);
+#ifdef USE_M17N
+    printf("W3m-document-charset: %s\n",
+	   wc_ces_to_charset(buf->document_charset));
+#endif
+#ifdef USE_SSL
+    if (buf->ssl_certificate) {
+	Str tmp = Strnew();
+	char *p;
+	for (p = buf->ssl_certificate; *p; p++) {
+	    Strcat_char(tmp, *p);
+	    if (*p == '\n') {
+		for (; *(p + 1) == '\n'; p++) ;
+		if (*(p + 1))
+		    Strcat_char(tmp, '\t');
+	    }
+	}
+	if (Strlastchar(tmp) != '\n')
+	    Strcat_char(tmp, '\n');
+	printf("W3m-ssl-certificate: %s", tmp->ptr);
+    }
+#endif
+}
+
+static void
+do_dump(Buffer *buf)
+{
+    MySignalHandler(*volatile prevtrap) (SIGNAL_ARG) = NULL;
+
+    prevtrap = mySignal(SIGINT, intTrap);
+    if (SETJMP(IntReturn) != 0) {
+	mySignal(SIGINT, prevtrap);
+	return;
+    }
+    if (w3m_dump & DUMP_EXTRA)
+	dump_extra(buf);
+    if (w3m_dump & DUMP_HEAD)
+	dump_head(buf);
+    if (w3m_dump & DUMP_SOURCE)
+	dump_source(buf);
+    if (w3m_dump == DUMP_BUFFER)
+	saveBuffer(buf, stdout, FALSE);
+    mySignal(SIGINT, prevtrap);
+}
+
+DEFUN(nulcmd, NOTHING NULL @@@, "Do nothing")
+{				/* do nothing */
+}
+
+#ifdef __EMX__
+DEFUN(pcmap, PCMAP, "pcmap")
+{
+    w3mFuncList[(int)PcKeymap[(int)getch()]].func();
+}
+#else				/* not __EMX__ */
+void
+pcmap(void)
+{
+}
+#endif
+
+static void
+escKeyProc(int c, int esc, unsigned char *map)
+{
+    if (CurrentKey >= 0 && CurrentKey & K_MULTI) {
+	unsigned char **mmap;
+	mmap = (unsigned char **)getKeyData(MULTI_KEY(CurrentKey));
+	if (!mmap)
+	    return;
+	switch (esc) {
+	case K_ESCD:
+	    map = mmap[3];
+	    break;
+	case K_ESCB:
+	    map = mmap[2];
+	    break;
+	case K_ESC:
+	    map = mmap[1];
+	    break;
+	default:
+	    map = mmap[0];
+	    break;
+	}
+	esc |= (CurrentKey & ~0xFFFF);
+    }
+    CurrentKey = esc | c;
+    w3mFuncList[(int)map[c]].func();
+}
+
+DEFUN(escmap, ESCMAP, "ESC map")
+{
+    char c;
+    c = getch();
+    if (IS_ASCII(c))
+	escKeyProc((int)c, K_ESC, EscKeymap);
+}
+
+DEFUN(escbmap, ESCBMAP, "ESC [ map")
+{
+    char c;
+    c = getch();
+    if (IS_DIGIT(c)) {
+	escdmap(c);
+	return;
+    }
+    if (IS_ASCII(c))
+	escKeyProc((int)c, K_ESCB, EscBKeymap);
+}
+
+void
+escdmap(char c)
+{
+    int d;
+    d = (int)c - (int)'0';
+    c = getch();
+    if (IS_DIGIT(c)) {
+	d = d * 10 + (int)c - (int)'0';
+	c = getch();
+    }
+    if (c == '~')
+	escKeyProc((int)d, K_ESCD, EscDKeymap);
+}
+
+DEFUN(multimap, MULTIMAP, "multimap")
+{
+    char c;
+    c = getch();
+    if (IS_ASCII(c)) {
+	CurrentKey = K_MULTI | (CurrentKey << 16) | c;
+	escKeyProc((int)c, 0, NULL);
+    }
+}
+
+void
+tmpClearBuffer(Buffer *buf)
+{
+    if (buf->pagerSource == NULL && writeBufferCache(buf) == 0) {
+	buf->firstLine = NULL;
+	buf->topLine = NULL;
+	buf->currentLine = NULL;
+	buf->lastLine = NULL;
+    }
+}
+
+static Str currentURL(void);
+
+#ifdef USE_BUFINFO
+void
+saveBufferInfo()
+{
+    FILE *fp;
+
+    if (w3m_dump)
+	return;
+    if ((fp = fopen(rcFile("bufinfo"), "w")) == NULL) {
+	return;
+    }
+    fprintf(fp, "%s\n", currentURL()->ptr);
+    fclose(fp);
+}
+#endif
+
+static void
+pushBuffer(Buffer *buf)
+{
+    Buffer *b;
+
+#ifdef USE_IMAGE
+    deleteImage(Currentbuf);
+#endif
+    if (clear_buffer)
+	tmpClearBuffer(Currentbuf);
+    if (Firstbuf == Currentbuf) {
+	buf->nextBuffer = Firstbuf;
+	Firstbuf = Currentbuf = buf;
+    }
+    else if ((b = prevBuffer(Firstbuf, Currentbuf)) != NULL) {
+	b->nextBuffer = buf;
+	buf->nextBuffer = Currentbuf;
+	Currentbuf = buf;
+    }
+#ifdef USE_BUFINFO
+    saveBufferInfo();
+#endif
+
+}
+
+static void
+delBuffer(Buffer *buf)
+{
+    if (buf == NULL)
+	return;
+    if (Currentbuf == buf)
+	Currentbuf = buf->nextBuffer;
+    Firstbuf = deleteBuffer(Firstbuf, buf);
+    if (!Currentbuf)
+	Currentbuf = Firstbuf;
+}
+
+static void
+repBuffer(Buffer *oldbuf, Buffer *buf)
+{
+    Firstbuf = replaceBuffer(Firstbuf, oldbuf, buf);
+    Currentbuf = buf;
+}
+
+
+MySignalHandler
+intTrap(SIGNAL_ARG)
+{				/* Interrupt catcher */
+    LONGJMP(IntReturn, 0);
+    SIGNAL_RETURN;
+}
+
+#ifdef SIGWINCH
+static MySignalHandler
+resize_hook(SIGNAL_ARG)
+{
+    need_resize_screen = TRUE;
+    mySignal(SIGWINCH, resize_hook);
+    SIGNAL_RETURN;
+}
+
+static MySignalHandler
+resize_handler(SIGNAL_ARG)
+{
+    resize_screen();
+    mySignal(SIGWINCH, resize_handler);
+    SIGNAL_RETURN;
+}
+
+static void
+resize_screen(void)
+{
+    setlinescols();
+    setupscreen();
+    if (CurrentTab)
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+#endif				/* SIGWINCH */
+
+#ifdef SIGPIPE
+static MySignalHandler
+SigPipe(SIGNAL_ARG)
+{
+#ifdef USE_MIGEMO
+    init_migemo();
+#endif
+    mySignal(SIGPIPE, SigPipe);
+    SIGNAL_RETURN;
+}
+#endif
+
+/* 
+ * Command functions: These functions are called with a keystroke.
+ */
+
+#define MAX(a, b)  ((a) > (b) ? (a) : (b))
+#define MIN(a, b)  ((a) < (b) ? (a) : (b))
+
+static void
+nscroll(int n, int mode)
+{
+    Buffer *buf = Currentbuf;
+    Line *top = buf->topLine, *cur = buf->currentLine;
+    int lnum, tlnum, llnum, diff_n;
+
+    if (buf->firstLine == NULL)
+	return;
+    lnum = cur->linenumber;
+    buf->topLine = lineSkip(buf, top, n, FALSE);
+    if (buf->topLine == top) {
+	lnum += n;
+	if (lnum < buf->topLine->linenumber)
+	    lnum = buf->topLine->linenumber;
+	else if (lnum > buf->lastLine->linenumber)
+	    lnum = buf->lastLine->linenumber;
+    }
+    else {
+	tlnum = buf->topLine->linenumber;
+	llnum = buf->topLine->linenumber + buf->LINES - 1;
+	if (nextpage_topline)
+	    diff_n = 0;
+	else
+	    diff_n = n - (tlnum - top->linenumber);
+	if (lnum < tlnum)
+	    lnum = tlnum + diff_n;
+	if (lnum > llnum)
+	    lnum = llnum + diff_n;
+    }
+    gotoLine(buf, lnum);
+    arrangeLine(buf);
+    if (n > 0) {
+	if (buf->currentLine->bpos &&
+	    buf->currentLine->bwidth >= buf->currentColumn + buf->visualpos)
+	    cursorDown(buf, 1);
+	else {
+	    while (buf->currentLine->next && buf->currentLine->next->bpos &&
+		   buf->currentLine->bwidth + buf->currentLine->width <
+		   buf->currentColumn + buf->visualpos)
+		cursorDown0(buf, 1);
+	}
+    }
+    else {
+	if (buf->currentLine->bwidth + buf->currentLine->width <
+	    buf->currentColumn + buf->visualpos)
+	    cursorUp(buf, 1);
+	else {
+	    while (buf->currentLine->prev && buf->currentLine->bpos &&
+		   buf->currentLine->bwidth >=
+		   buf->currentColumn + buf->visualpos)
+		cursorUp0(buf, 1);
+	}
+    }
+    displayBuffer(buf, mode);
+}
+
+/* Move page forward */
+DEFUN(pgFore, NEXT_PAGE, "Move to next page")
+{
+    if (vi_prec_num)
+	nscroll(searchKeyNum() * (Currentbuf->LINES - 1), B_NORMAL);
+    else
+	nscroll(prec_num ? searchKeyNum() : searchKeyNum()
+		* (Currentbuf->LINES - 1), prec_num ? B_SCROLL : B_NORMAL);
+}
+
+/* Move page backward */
+DEFUN(pgBack, PREV_PAGE, "Move to previous page")
+{
+    if (vi_prec_num)
+	nscroll(-searchKeyNum() * (Currentbuf->LINES - 1), B_NORMAL);
+    else
+	nscroll(-(prec_num ? searchKeyNum() : searchKeyNum()
+		  * (Currentbuf->LINES - 1)), prec_num ? B_SCROLL : B_NORMAL);
+}
+
+/* 1 line up */
+DEFUN(lup1, UP, "Scroll up one line")
+{
+    nscroll(searchKeyNum(), B_SCROLL);
+}
+
+/* 1 line down */
+DEFUN(ldown1, DOWN, "Scroll down one line")
+{
+    nscroll(-searchKeyNum(), B_SCROLL);
+}
+
+/* move cursor position to the center of screen */
+DEFUN(ctrCsrV, CENTER_V, "Move to the center column")
+{
+    int offsety;
+    if (Currentbuf->firstLine == NULL)
+	return;
+    offsety = Currentbuf->LINES / 2 - Currentbuf->cursorY;
+    if (offsety != 0) {
+#if 0
+	Currentbuf->currentLine = lineSkip(Currentbuf,
+					   Currentbuf->currentLine, offsety,
+					   FALSE);
+#endif
+	Currentbuf->topLine =
+	    lineSkip(Currentbuf, Currentbuf->topLine, -offsety, FALSE);
+	arrangeLine(Currentbuf);
+	displayBuffer(Currentbuf, B_NORMAL);
+    }
+}
+
+DEFUN(ctrCsrH, CENTER_H, "Move to the center line")
+{
+    int offsetx;
+    if (Currentbuf->firstLine == NULL)
+	return;
+    offsetx = Currentbuf->cursorX - Currentbuf->COLS / 2;
+    if (offsetx != 0) {
+	columnSkip(Currentbuf, offsetx);
+	arrangeCursor(Currentbuf);
+	displayBuffer(Currentbuf, B_NORMAL);
+    }
+}
+
+/* Redraw screen */
+DEFUN(rdrwSc, REDRAW, "Redraw screen")
+{
+    clear();
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+static void
+clear_mark(Line *l)
+{
+    int pos;
+    if (!l)
+	return;
+    for (pos = 0; pos < l->size; pos++)
+	l->propBuf[pos] &= ~PE_MARK;
+}
+
+/* search by regular expression */
+static int
+srchcore(char *volatile str, int (*func) (Buffer *, char *))
+{
+    MySignalHandler(*prevtrap) ();
+    volatile int i, result = SR_NOTFOUND;
+
+    if (str != NULL && str != SearchString)
+	SearchString = str;
+    if (SearchString == NULL || *SearchString == '\0')
+	return SR_NOTFOUND;
+
+    str = conv_search_string(SearchString, DisplayCharset);
+    prevtrap = mySignal(SIGINT, intTrap);
+    crmode();
+    if (SETJMP(IntReturn) == 0) {
+	for (i = 0; i < PREC_NUM; i++) {
+	    result = func(Currentbuf, str);
+	    if (i < PREC_NUM - 1 && result & SR_FOUND)
+		clear_mark(Currentbuf->currentLine);
+	}
+    }
+    mySignal(SIGINT, prevtrap);
+    term_raw();
+    return result;
+}
+
+static void
+disp_srchresult(int result, char *prompt, char *str)
+{
+    if (str == NULL)
+	str = "";
+    if (result & SR_NOTFOUND)
+	disp_message(Sprintf("Not found: %s", str)->ptr, TRUE);
+    else if (result & SR_WRAPPED)
+	disp_message(Sprintf("Search wrapped: %s", str)->ptr, TRUE);
+    else if (show_srch_str)
+	disp_message(Sprintf("%s%s", prompt, str)->ptr, TRUE);
+}
+
+static int
+dispincsrch(int ch, Str buf, Lineprop *prop)
+{
+    static Buffer sbuf;
+    static Line *currentLine;
+    static int pos;
+    char *str;
+    int do_next_search = FALSE;
+
+    if (ch == 0 && buf == NULL) {
+	SAVE_BUFPOSITION(&sbuf);	/* search starting point */
+	currentLine = sbuf.currentLine;
+	pos = sbuf.pos;
+	return -1;
+    }
+
+    str = buf->ptr;
+    switch (ch) {
+    case 022:			/* C-r */
+	searchRoutine = backwardSearch;
+	do_next_search = TRUE;
+	break;
+    case 023:			/* C-s */
+	searchRoutine = forwardSearch;
+	do_next_search = TRUE;
+	break;
+
+#ifdef USE_MIGEMO
+    case 034:
+	migemo_active = -migemo_active;
+	goto done;
+#endif
+
+    default:
+	if (ch >= 0)
+	    return ch;		/* use InputKeymap */
+    }
+
+    if (do_next_search) {
+	if (*str) {
+	    if (searchRoutine == forwardSearch)
+		Currentbuf->pos += 1;
+	    SAVE_BUFPOSITION(&sbuf);
+	    if (srchcore(str, searchRoutine) == SR_NOTFOUND
+		&& searchRoutine == forwardSearch) {
+		Currentbuf->pos -= 1;
+		SAVE_BUFPOSITION(&sbuf);
+	    }
+	    arrangeCursor(Currentbuf);
+	    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	    clear_mark(Currentbuf->currentLine);
+	    return -1;
+	}
+	else
+	    return 020;		/* _prev completion for C-s C-s */
+    }
+    else if (*str) {
+	RESTORE_BUFPOSITION(&sbuf);
+	arrangeCursor(Currentbuf);
+	srchcore(str, searchRoutine);
+	arrangeCursor(Currentbuf);
+	currentLine = Currentbuf->currentLine;
+	pos = Currentbuf->pos;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    clear_mark(Currentbuf->currentLine);
+#ifdef USE_MIGEMO
+  done:
+    while (*str++ != '\0') {
+	if (migemo_active > 0)
+	    *prop++ |= PE_UNDER;
+	else
+	    *prop++ &= ~PE_UNDER;
+    }
+#endif
+    return -1;
+}
+
+void
+isrch(int (*func) (Buffer *, char *), char *prompt)
+{
+    char *str;
+    Buffer sbuf;
+    SAVE_BUFPOSITION(&sbuf);
+    dispincsrch(0, NULL, NULL);	/* initialize incremental search state */
+
+    searchRoutine = func;
+    str = inputLineHistSearch(prompt, NULL, IN_STRING, TextHist, dispincsrch);
+    if (str == NULL) {
+	RESTORE_BUFPOSITION(&sbuf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+srch(int (*func) (Buffer *, char *), char *prompt)
+{
+    char *str;
+    int result;
+    int disp = FALSE;
+    int pos;
+
+    str = searchKeyData();
+    if (str == NULL || *str == '\0') {
+	str = inputStrHist(prompt, NULL, TextHist);
+	if (str != NULL && *str == '\0')
+	    str = SearchString;
+	if (str == NULL) {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+	disp = TRUE;
+    }
+    pos = Currentbuf->pos;
+    if (func == forwardSearch)
+	Currentbuf->pos += 1;
+    result = srchcore(str, func);
+    if (result & SR_FOUND)
+	clear_mark(Currentbuf->currentLine);
+    else
+	Currentbuf->pos = pos;
+    displayBuffer(Currentbuf, B_NORMAL);
+    if (disp)
+	disp_srchresult(result, prompt, str);
+    searchRoutine = func;
+}
+
+/* Search regular expression forward */
+
+DEFUN(srchfor, SEARCH SEARCH_FORE WHEREIS, "Search forward")
+{
+    srch(forwardSearch, "Forward: ");
+}
+
+DEFUN(isrchfor, ISEARCH, "Incremental search forward")
+{
+    isrch(forwardSearch, "I-search: ");
+}
+
+/* Search regular expression backward */
+
+DEFUN(srchbak, SEARCH_BACK, "Search backward")
+{
+    srch(backwardSearch, "Backward: ");
+}
+
+DEFUN(isrchbak, ISEARCH_BACK, "Incremental search backward")
+{
+    isrch(backwardSearch, "I-search backward: ");
+}
+
+static void
+srch_nxtprv(int reverse)
+{
+    int result;
+    /* *INDENT-OFF* */
+    static int (*routine[2]) (Buffer *, char *) = {
+	forwardSearch, backwardSearch
+    };
+    /* *INDENT-ON* */
+
+    if (searchRoutine == NULL) {
+	/* FIXME: gettextize? */
+	disp_message("No previous regular expression", TRUE);
+	return;
+    }
+    if (reverse != 0)
+	reverse = 1;
+    if (searchRoutine == backwardSearch)
+	reverse ^= 1;
+    if (reverse == 0)
+	Currentbuf->pos += 1;
+    result = srchcore(SearchString, routine[reverse]);
+    if (result & SR_FOUND)
+	clear_mark(Currentbuf->currentLine);
+    displayBuffer(Currentbuf, B_NORMAL);
+    disp_srchresult(result, (reverse ? "Backward: " : "Forward: "),
+		    SearchString);
+}
+
+/* Search next matching */
+DEFUN(srchnxt, SEARCH_NEXT, "Search next regexp")
+{
+    srch_nxtprv(0);
+}
+
+/* Search previous matching */
+DEFUN(srchprv, SEARCH_PREV, "Search previous regexp")
+{
+    srch_nxtprv(1);
+}
+
+static void
+shiftvisualpos(Buffer *buf, int shift)
+{
+    Line *l = buf->currentLine;
+    buf->visualpos -= shift;
+    if (buf->visualpos - l->bwidth >= buf->COLS)
+	buf->visualpos = l->bwidth + buf->COLS - 1;
+    else if (buf->visualpos - l->bwidth < 0)
+	buf->visualpos = l->bwidth;
+    arrangeLine(buf);
+    if (buf->visualpos - l->bwidth == -shift && buf->cursorX == 0)
+	buf->visualpos = l->bwidth;
+}
+
+/* Shift screen left */
+DEFUN(shiftl, SHIFT_LEFT, "Shift screen left")
+{
+    int column;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    column = Currentbuf->currentColumn;
+    columnSkip(Currentbuf, searchKeyNum() * (-Currentbuf->COLS + 1) + 1);
+    shiftvisualpos(Currentbuf, Currentbuf->currentColumn - column);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* Shift screen right */
+DEFUN(shiftr, SHIFT_RIGHT, "Shift screen right")
+{
+    int column;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    column = Currentbuf->currentColumn;
+    columnSkip(Currentbuf, searchKeyNum() * (Currentbuf->COLS - 1) - 1);
+    shiftvisualpos(Currentbuf, Currentbuf->currentColumn - column);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(col1R, RIGHT, "Shift screen one column right")
+{
+    Buffer *buf = Currentbuf;
+    Line *l = buf->currentLine;
+    int j, column, n = searchKeyNum();
+
+    if (l == NULL)
+	return;
+    for (j = 0; j < n; j++) {
+	column = buf->currentColumn;
+	columnSkip(Currentbuf, 1);
+	if (column == buf->currentColumn)
+	    break;
+	shiftvisualpos(Currentbuf, 1);
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(col1L, LEFT, "Shift screen one column")
+{
+    Buffer *buf = Currentbuf;
+    Line *l = buf->currentLine;
+    int j, n = searchKeyNum();
+
+    if (l == NULL)
+	return;
+    for (j = 0; j < n; j++) {
+	if (buf->currentColumn == 0)
+	    break;
+	columnSkip(Currentbuf, -1);
+	shiftvisualpos(Currentbuf, -1);
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(setEnv, SETENV, "Set environment variable")
+{
+    char *env;
+    char *var, *value;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    env = searchKeyData();
+    if (env == NULL || *env == '\0' || strchr(env, '=') == NULL) {
+	if (env != NULL && *env != '\0')
+	    env = Sprintf("%s=", env)->ptr;
+	env = inputStrHist("Set environ: ", env, TextHist);
+	if (env == NULL || *env == '\0') {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    if ((value = strchr(env, '=')) != NULL && value > env) {
+	var = allocStr(env, value - env);
+	value++;
+	set_environ(var, value);
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(pipeBuf, PIPE_BUF, "Send rendered document to pipe")
+{
+    Buffer *buf;
+    char *cmd, *tmpf;
+    FILE *f;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    cmd = searchKeyData();
+    if (cmd == NULL || *cmd == '\0') {
+	/* FIXME: gettextize? */
+	cmd = inputLineHist("Pipe buffer to: ", "", IN_COMMAND, ShellHist);
+    }
+    if (cmd != NULL)
+	cmd = conv_to_system(cmd);
+    if (cmd == NULL || *cmd == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    tmpf = tmpfname(TMPF_DFL, NULL)->ptr;
+    f = fopen(tmpf, "w");
+    if (f == NULL) {
+	/* FIXME: gettextize? */
+	disp_message(Sprintf("Can't save buffer to %s", cmd)->ptr, TRUE);
+	return;
+    }
+    saveBuffer(Currentbuf, f, TRUE);
+    fclose(f);
+    buf = getpipe(myExtCommand(cmd, shell_quote(tmpf), TRUE)->ptr);
+    if (buf == NULL) {
+	disp_message("Execution failed", TRUE);
+	return;
+    }
+    else {
+	buf->filename = cmd;
+	buf->buffername = Sprintf("%s %s", PIPEBUFFERNAME,
+				  conv_from_system(cmd))->ptr;
+	buf->bufferprop |= (BP_INTERNAL | BP_NO_URL);
+	if (buf->type == NULL)
+	    buf->type = "text/plain";
+	pushBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Execute shell command and read output ac pipe. */
+DEFUN(pipesh, PIPE_SHELL, "Execute shell command and browse")
+{
+    Buffer *buf;
+    char *cmd;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    cmd = searchKeyData();
+    if (cmd == NULL || *cmd == '\0') {
+	cmd = inputLineHist("(read shell[pipe])!", "", IN_COMMAND, ShellHist);
+    }
+    if (cmd != NULL)
+	cmd = conv_to_system(cmd);
+    if (cmd == NULL || *cmd == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    buf = getpipe(cmd);
+    if (buf == NULL) {
+	disp_message("Execution failed", TRUE);
+	return;
+    }
+    else {
+	buf->bufferprop |= (BP_INTERNAL | BP_NO_URL);
+	if (buf->type == NULL)
+	    buf->type = "text/plain";
+	pushBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Execute shell command and load entire output to buffer */
+DEFUN(readsh, READ_SHELL, "Execute shell command and load")
+{
+    Buffer *buf;
+    MySignalHandler(*prevtrap) ();
+    char *cmd;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    cmd = searchKeyData();
+    if (cmd == NULL || *cmd == '\0') {
+	cmd = inputLineHist("(read shell)!", "", IN_COMMAND, ShellHist);
+    }
+    if (cmd != NULL)
+	cmd = conv_to_system(cmd);
+    if (cmd == NULL || *cmd == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    prevtrap = mySignal(SIGINT, intTrap);
+    crmode();
+    buf = getshell(cmd);
+    mySignal(SIGINT, prevtrap);
+    term_raw();
+    if (buf == NULL) {
+	/* FIXME: gettextize? */
+	disp_message("Execution failed", TRUE);
+	return;
+    }
+    else {
+	buf->bufferprop |= (BP_INTERNAL | BP_NO_URL);
+	if (buf->type == NULL)
+	    buf->type = "text/plain";
+	pushBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Execute shell command */
+DEFUN(execsh, EXEC_SHELL SHELL, "Execute shell command")
+{
+    char *cmd;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    cmd = searchKeyData();
+    if (cmd == NULL || *cmd == '\0') {
+	cmd = inputLineHist("(exec shell)!", "", IN_COMMAND, ShellHist);
+    }
+    if (cmd != NULL)
+	cmd = conv_to_system(cmd);
+    if (cmd != NULL && *cmd != '\0') {
+	fmTerm();
+	printf("\n");
+	system(cmd);
+	/* FIXME: gettextize? */
+	printf("\n[Hit any key]");
+	fflush(stdout);
+	fmInit();
+	getch();
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Load file */
+DEFUN(ldfile, LOAD, "Load local file")
+{
+    char *fn;
+
+    fn = searchKeyData();
+    if (fn == NULL || *fn == '\0') {
+	/* FIXME: gettextize? */
+	fn = inputFilenameHist("(Load)Filename? ", NULL, LoadHist);
+    }
+    if (fn != NULL)
+	fn = conv_to_system(fn);
+    if (fn == NULL || *fn == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    cmd_loadfile(fn);
+}
+
+/* Load help file */
+DEFUN(ldhelp, HELP, "View help")
+{
+#ifdef USE_HELP_CGI
+    char *lang;
+    int n;
+    Str tmp;
+
+    lang = AcceptLang;
+    n = strcspn(lang, ";, \t");
+    tmp = Sprintf("file:///$LIB/" HELP_CGI CGI_EXTENSION "?version=%s&lang=%s",
+		  Str_form_quote(Strnew_charp(w3m_version))->ptr,
+		  Str_form_quote(Strnew_charp_n(lang, n))->ptr);
+    cmd_loadURL(tmp->ptr, NULL, NO_REFERER, NULL);
+#else
+    cmd_loadURL(helpFile(HELP_FILE), NULL, NO_REFERER, NULL);
+#endif
+}
+
+static void
+cmd_loadfile(char *fn)
+{
+    Buffer *buf;
+
+    buf = loadGeneralFile(file_to_url(fn), NULL, NO_REFERER, 0, NULL);
+    if (buf == NULL) {
+	/* FIXME: gettextize? */
+	char *emsg = Sprintf("%s not found", conv_from_system(fn))->ptr;
+	disp_err_message(emsg, FALSE);
+    }
+    else if (buf != NO_BUFFER) {
+	pushBuffer(buf);
+	if (RenderFrame && Currentbuf->frameset != NULL)
+	    rFrame();
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* Move cursor left */
+static void
+_movL(int n)
+{
+    int i, m = searchKeyNum();
+    if (Currentbuf->firstLine == NULL)
+	return;
+    for (i = 0; i < m; i++)
+	cursorLeft(Currentbuf, n);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(movL, MOVE_LEFT,
+      "Move cursor left (a half screen shift at the left edge)")
+{
+    _movL(Currentbuf->COLS / 2);
+}
+
+DEFUN(movL1, MOVE_LEFT1, "Move cursor left (1 columns shift at the left edge)")
+{
+    _movL(1);
+}
+
+/* Move cursor downward */
+static void
+_movD(int n)
+{
+    int i, m = searchKeyNum();
+    if (Currentbuf->firstLine == NULL)
+	return;
+    for (i = 0; i < m; i++)
+	cursorDown(Currentbuf, n);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(movD, MOVE_DOWN,
+      "Move cursor down (a half screen scroll at the end of screen)")
+{
+    _movD((Currentbuf->LINES + 1) / 2);
+}
+
+DEFUN(movD1, MOVE_DOWN1,
+      "Move cursor down (1 line scroll at the end of screen)")
+{
+    _movD(1);
+}
+
+/* move cursor upward */
+static void
+_movU(int n)
+{
+    int i, m = searchKeyNum();
+    if (Currentbuf->firstLine == NULL)
+	return;
+    for (i = 0; i < m; i++)
+	cursorUp(Currentbuf, n);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(movU, MOVE_UP,
+      "Move cursor up (a half screen scroll at the top of screen)")
+{
+    _movU((Currentbuf->LINES + 1) / 2);
+}
+
+DEFUN(movU1, MOVE_UP1, "Move cursor up (1 line scrol at the top of screen)")
+{
+    _movU(1);
+}
+
+/* Move cursor right */
+static void
+_movR(int n)
+{
+    int i, m = searchKeyNum();
+    if (Currentbuf->firstLine == NULL)
+	return;
+    for (i = 0; i < m; i++)
+	cursorRight(Currentbuf, n);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+DEFUN(movR, MOVE_RIGHT,
+      "Move cursor right (a half screen shift at the right edge)")
+{
+    _movR(Currentbuf->COLS / 2);
+}
+
+DEFUN(movR1, MOVE_RIGHT1,
+      "Move cursor right (1 columns shift at the right edge)")
+{
+    _movR(1);
+}
+
+/* movLW, movRW */
+/* 
+ * From: Takashi Nishimoto <g96p0935@mse.waseda.ac.jp> Date: Mon, 14 Jun
+ * 1999 09:29:56 +0900 
+ */
+#define IS_WORD_CHAR(c,p) (IS_ALNUM(c) && CharType(p) == PC_ASCII)
+
+static int
+prev_nonnull_line(Line *line)
+{
+    Line *l;
+
+    for (l = line; l != NULL && l->len == 0; l = l->prev) ;
+    if (l == NULL || l->len == 0)
+	return -1;
+
+    Currentbuf->currentLine = l;
+    if (l != line)
+	Currentbuf->pos = Currentbuf->currentLine->len;
+    return 0;
+}
+
+DEFUN(movLW, PREV_WORD, "Move to previous word")
+{
+    char *lb;
+    Lineprop *pb;
+    Line *pline;
+    int ppos;
+    int i, n = searchKeyNum();
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+
+    for (i = 0; i < n; i++) {
+	pline = Currentbuf->currentLine;
+	ppos = Currentbuf->pos;
+
+	if (prev_nonnull_line(Currentbuf->currentLine) < 0)
+	    goto end;
+
+	while (1) {
+	    lb = Currentbuf->currentLine->lineBuf;
+	    pb = Currentbuf->currentLine->propBuf;
+	    while (Currentbuf->pos > 0 &&
+		   !IS_WORD_CHAR(lb[Currentbuf->pos - 1],
+				 pb[Currentbuf->pos - 1])) {
+		Currentbuf->pos--;
+	    }
+	    if (Currentbuf->pos > 0)
+		break;
+	    if (prev_nonnull_line(Currentbuf->currentLine->prev) < 0) {
+		Currentbuf->currentLine = pline;
+		Currentbuf->pos = ppos;
+		goto end;
+	    }
+	    Currentbuf->pos = Currentbuf->currentLine->len;
+	}
+
+	lb = Currentbuf->currentLine->lineBuf;
+	pb = Currentbuf->currentLine->propBuf;
+	while (Currentbuf->pos > 0 &&
+	       IS_WORD_CHAR(lb[Currentbuf->pos - 1],
+			    pb[Currentbuf->pos - 1])) {
+	    Currentbuf->pos--;
+	}
+    }
+  end:
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+static int
+next_nonnull_line(Line *line)
+{
+    Line *l;
+
+    for (l = line; l != NULL && l->len == 0; l = l->next) ;
+
+    if (l == NULL || l->len == 0)
+	return -1;
+
+    Currentbuf->currentLine = l;
+    if (l != line)
+	Currentbuf->pos = 0;
+    return 0;
+}
+
+DEFUN(movRW, NEXT_WORD, "Move to next word")
+{
+    char *lb;
+    Lineprop *pb;
+    Line *pline;
+    int ppos;
+    int i, n = searchKeyNum();
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+
+    for (i = 0; i < n; i++) {
+	pline = Currentbuf->currentLine;
+	ppos = Currentbuf->pos;
+
+	if (next_nonnull_line(Currentbuf->currentLine) < 0)
+	    goto end;
+
+	lb = Currentbuf->currentLine->lineBuf;
+	pb = Currentbuf->currentLine->propBuf;
+
+	while (lb[Currentbuf->pos] &&
+	       IS_WORD_CHAR(lb[Currentbuf->pos], pb[Currentbuf->pos]))
+	    Currentbuf->pos++;
+
+	while (1) {
+	    while (lb[Currentbuf->pos] &&
+		   !IS_WORD_CHAR(lb[Currentbuf->pos], pb[Currentbuf->pos]))
+		Currentbuf->pos++;
+	    if (lb[Currentbuf->pos])
+		break;
+	    if (next_nonnull_line(Currentbuf->currentLine->next) < 0) {
+		Currentbuf->currentLine = pline;
+		Currentbuf->pos = ppos;
+		goto end;
+	    }
+	    Currentbuf->pos = 0;
+	    lb = Currentbuf->currentLine->lineBuf;
+	    pb = Currentbuf->currentLine->propBuf;
+	}
+    }
+  end:
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+static void
+_quitfm(int confirm)
+{
+    char *ans = "y";
+
+    if (checkDownloadList())
+	/* FIXME: gettextize? */
+	ans = inputChar("Download process retains. "
+			"Do you want to exit w3m? (y/n)");
+    else if (confirm)
+	/* FIXME: gettextize? */
+	ans = inputChar("Do you want to exit w3m? (y/n)");
+    if (!(ans && TOLOWER(*ans) == 'y')) {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+
+    term_title("");		/* XXX */
+#ifdef USE_IMAGE
+    if (activeImage)
+	termImage();
+#endif
+    fmTerm();
+#ifdef USE_COOKIE
+    save_cookies();
+#endif				/* USE_COOKIE */
+#ifdef USE_HISTORY
+    if (UseHistory && SaveURLHist)
+	saveHistory(URLHist, URLHistSize);
+#endif				/* USE_HISTORY */
+    w3m_exit(0);
+}
+
+/* Quit */
+DEFUN(quitfm, ABORT EXIT, "Quit w3m without confirmation")
+{
+    _quitfm(FALSE);
+}
+
+/* Question and Quit */
+DEFUN(qquitfm, QUIT, "Quit w3m")
+{
+    _quitfm(confirm_on_quit);
+}
+
+/* Select buffer */
+DEFUN(selBuf, SELECT, "Go to buffer selection panel")
+{
+    Buffer *buf;
+    int ok;
+    char cmd;
+
+    ok = FALSE;
+    do {
+	buf = selectBuffer(Firstbuf, Currentbuf, &cmd);
+	switch (cmd) {
+	case 'B':
+	    ok = TRUE;
+	    break;
+	case '\n':
+	case ' ':
+	    Currentbuf = buf;
+	    ok = TRUE;
+	    break;
+	case 'D':
+	    delBuffer(buf);
+	    if (Firstbuf == NULL) {
+		/* No more buffer */
+		Firstbuf = nullBuffer();
+		Currentbuf = Firstbuf;
+	    }
+	    break;
+	case 'q':
+	    qquitfm();
+	    break;
+	case 'Q':
+	    quitfm();
+	    break;
+	}
+    } while (!ok);
+
+    for (buf = Firstbuf; buf != NULL; buf = buf->nextBuffer) {
+	if (buf == Currentbuf)
+	    continue;
+#ifdef USE_IMAGE
+	deleteImage(buf);
+#endif
+	if (clear_buffer)
+	    tmpClearBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Suspend (on BSD), or run interactive shell (on SysV) */
+DEFUN(susp, INTERRUPT SUSPEND, "Stop loading document")
+{
+#ifndef SIGSTOP
+    char *shell;
+#endif				/* not SIGSTOP */
+    move(LASTLINE, 0);
+    clrtoeolx();
+    refresh();
+    fmTerm();
+#ifndef SIGSTOP
+    shell = getenv("SHELL");
+    if (shell == NULL)
+	shell = "/bin/sh";
+    system(shell);
+#else				/* SIGSTOP */
+    kill((pid_t) 0, SIGSTOP);
+#endif				/* SIGSTOP */
+    fmInit();
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Go to specified line */
+static void
+_goLine(char *l)
+{
+    if (l == NULL || *l == '\0' || Currentbuf->currentLine == NULL) {
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	return;
+    }
+    Currentbuf->pos = 0;
+    if (((*l == '^') || (*l == '$')) && prec_num) {
+	gotoRealLine(Currentbuf, prec_num);
+    }
+    else if (*l == '^') {
+	Currentbuf->topLine = Currentbuf->currentLine = Currentbuf->firstLine;
+    }
+    else if (*l == '$') {
+	Currentbuf->topLine =
+	    lineSkip(Currentbuf, Currentbuf->lastLine,
+		     -(Currentbuf->LINES + 1) / 2, TRUE);
+	Currentbuf->currentLine = Currentbuf->lastLine;
+    }
+    else
+	gotoRealLine(Currentbuf, atoi(l));
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(goLine, GOTO_LINE, "Go to specified line")
+{
+
+    char *str = searchKeyData();
+    if (prec_num)
+	_goLine("^");
+    else if (str)
+	_goLine(str);
+    else
+	/* FIXME: gettextize? */
+	_goLine(inputStr("Goto line: ", ""));
+}
+
+
+DEFUN(goLineF, BEGIN, "Go to the first line")
+{
+    _goLine("^");
+}
+
+DEFUN(goLineL, END, "Go to the last line")
+{
+    _goLine("$");
+}
+
+/* Go to the beginning of the line */
+DEFUN(linbeg, LINE_BEGIN, "Go to the beginning of line")
+{
+    if (Currentbuf->firstLine == NULL)
+	return;
+    while (Currentbuf->currentLine->prev && Currentbuf->currentLine->bpos)
+	cursorUp0(Currentbuf, 1);
+    Currentbuf->pos = 0;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* Go to the bottom of the line */
+DEFUN(linend, LINE_END, "Go to the end of line")
+{
+    if (Currentbuf->firstLine == NULL)
+	return;
+    while (Currentbuf->currentLine->next
+	   && Currentbuf->currentLine->next->bpos)
+	cursorDown0(Currentbuf, 1);
+    Currentbuf->pos = Currentbuf->currentLine->len - 1;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+static int
+cur_real_linenumber(Buffer *buf)
+{
+    Line *l, *cur = buf->currentLine;
+    int n;
+
+    if (!cur)
+	return 1;
+    n = cur->real_linenumber ? cur->real_linenumber : 1;
+    for (l = buf->firstLine; l && l != cur && l->real_linenumber == 0; l = l->next) {	/* header */
+	if (l->bpos == 0)
+	    n++;
+    }
+    return n;
+}
+
+/* Run editor on the current buffer */
+DEFUN(editBf, EDIT, "Edit current document")
+{
+    char *fn = Currentbuf->filename;
+    Str cmd;
+
+    if (fn == NULL || Currentbuf->pagerSource != NULL ||	/* Behaving as a pager */
+	(Currentbuf->type == NULL && Currentbuf->edit == NULL) ||	/* Reading shell */
+	Currentbuf->real_scheme != SCM_LOCAL || !strcmp(Currentbuf->currentURL.file, "-") ||	/* file is std input  */
+	Currentbuf->bufferprop & BP_FRAME) {	/* Frame */
+	disp_err_message("Can't edit other than local file", TRUE);
+	return;
+    }
+    if (Currentbuf->edit)
+	cmd = unquote_mailcap(Currentbuf->edit, Currentbuf->real_type, fn,
+			      checkHeader(Currentbuf, "Content-Type:"), NULL);
+    else
+	cmd = myEditor(Editor, shell_quote(fn),
+		       cur_real_linenumber(Currentbuf));
+    fmTerm();
+    system(cmd->ptr);
+    fmInit();
+
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    reload();
+}
+
+/* Run editor on the current screen */
+DEFUN(editScr, EDIT_SCREEN, "Edit currently rendered document")
+{
+    char *tmpf;
+    FILE *f;
+
+    tmpf = tmpfname(TMPF_DFL, NULL)->ptr;
+    f = fopen(tmpf, "w");
+    if (f == NULL) {
+	/* FIXME: gettextize? */
+	disp_err_message(Sprintf("Can't open %s", tmpf)->ptr, TRUE);
+	return;
+    }
+    saveBuffer(Currentbuf, f, TRUE);
+    fclose(f);
+    fmTerm();
+    system(myEditor(Editor, shell_quote(tmpf),
+		    cur_real_linenumber(Currentbuf))->ptr);
+    fmInit();
+    unlink(tmpf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+#ifdef USE_MARK
+
+/* Set / unset mark */
+DEFUN(_mark, MARK, "Set/unset mark")
+{
+    Line *l;
+    if (!use_mark)
+	return;
+    if (Currentbuf->firstLine == NULL)
+	return;
+    l = Currentbuf->currentLine;
+    l->propBuf[Currentbuf->pos] ^= PE_MARK;
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* Go to next mark */
+DEFUN(nextMk, NEXT_MARK, "Move to next word")
+{
+    Line *l;
+    int i;
+
+    if (!use_mark)
+	return;
+    if (Currentbuf->firstLine == NULL)
+	return;
+    i = Currentbuf->pos + 1;
+    l = Currentbuf->currentLine;
+    if (i >= l->len) {
+	i = 0;
+	l = l->next;
+    }
+    while (l != NULL) {
+	for (; i < l->len; i++) {
+	    if (l->propBuf[i] & PE_MARK) {
+		Currentbuf->currentLine = l;
+		Currentbuf->pos = i;
+		arrangeCursor(Currentbuf);
+		displayBuffer(Currentbuf, B_NORMAL);
+		return;
+	    }
+	}
+	l = l->next;
+	i = 0;
+    }
+    /* FIXME: gettextize? */
+    disp_message("No mark exist after here", TRUE);
+}
+
+/* Go to previous mark */
+DEFUN(prevMk, PREV_MARK, "Move to previous mark")
+{
+    Line *l;
+    int i;
+
+    if (!use_mark)
+	return;
+    if (Currentbuf->firstLine == NULL)
+	return;
+    i = Currentbuf->pos - 1;
+    l = Currentbuf->currentLine;
+    if (i < 0) {
+	l = l->prev;
+	if (l != NULL)
+	    i = l->len - 1;
+    }
+    while (l != NULL) {
+	for (; i >= 0; i--) {
+	    if (l->propBuf[i] & PE_MARK) {
+		Currentbuf->currentLine = l;
+		Currentbuf->pos = i;
+		arrangeCursor(Currentbuf);
+		displayBuffer(Currentbuf, B_NORMAL);
+		return;
+	    }
+	}
+	l = l->prev;
+	if (l != NULL)
+	    i = l->len - 1;
+    }
+    /* FIXME: gettextize? */
+    disp_message("No mark exist before here", TRUE);
+}
+
+/* Mark place to which the regular expression matches */
+DEFUN(reMark, REG_MARK, "Set mark using regexp")
+{
+    Line *l;
+    char *str;
+    char *p, *p1, *p2;
+
+    if (!use_mark)
+	return;
+    str = searchKeyData();
+    if (str == NULL || *str == '\0') {
+	str = inputStrHist("(Mark)Regexp: ", MarkString, TextHist);
+	if (str == NULL || *str == '\0') {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    str = conv_search_string(str, DisplayCharset);
+    if ((str = regexCompile(str, 1)) != NULL) {
+	disp_message(str, TRUE);
+	return;
+    }
+    MarkString = str;
+    for (l = Currentbuf->firstLine; l != NULL; l = l->next) {
+	p = l->lineBuf;
+	for (;;) {
+	    if (regexMatch(p, &l->lineBuf[l->len] - p, p == l->lineBuf) == 1) {
+		matchedPosition(&p1, &p2);
+		l->propBuf[p1 - l->lineBuf] |= PE_MARK;
+		p = p2;
+	    }
+	    else
+		break;
+	}
+    }
+
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+#endif				/* USE_MARK */
+
+static Buffer *
+loadNormalBuf(Buffer *buf, int renderframe)
+{
+    pushBuffer(buf);
+    if (renderframe && RenderFrame && Currentbuf->frameset != NULL)
+	rFrame();
+    return buf;
+}
+
+static Buffer *
+loadLink(char *url, char *target, char *referer, FormList *request)
+{
+    Buffer *buf, *nfbuf;
+    union frameset_element *f_element = NULL;
+    int flag = 0;
+    ParsedURL *base, pu;
+
+    message(Sprintf("loading %s", url)->ptr, 0, 0);
+    refresh();
+
+    base = baseURL(Currentbuf);
+    if (base == NULL ||
+	base->scheme == SCM_LOCAL || base->scheme == SCM_LOCAL_CGI)
+	referer = NO_REFERER;
+    if (referer == NULL)
+	referer = parsedURL2Str(&Currentbuf->currentURL)->ptr;
+    buf = loadGeneralFile(url, baseURL(Currentbuf), referer, flag, request);
+    if (buf == NULL) {
+	char *emsg = Sprintf("Can't load %s", url)->ptr;
+	disp_err_message(emsg, FALSE);
+	return NULL;
+    }
+
+    parseURL2(url, &pu, base);
+    pushHashHist(URLHist, parsedURL2Str(&pu)->ptr);
+
+    if (buf == NO_BUFFER) {
+	return NULL;
+    }
+    if (!on_target)		/* open link as an indivisual page */
+	return loadNormalBuf(buf, TRUE);
+
+    if (do_download)		/* download (thus no need to render frame) */
+	return loadNormalBuf(buf, FALSE);
+
+    if (target == NULL ||	/* no target specified (that means this page is not a frame page) */
+	!strcmp(target, "_top") ||	/* this link is specified to be opened as an indivisual * page */
+	!(Currentbuf->bufferprop & BP_FRAME)	/* This page is not a frame page */
+	) {
+	return loadNormalBuf(buf, TRUE);
+    }
+    nfbuf = Currentbuf->linkBuffer[LB_N_FRAME];
+    if (nfbuf == NULL) {
+	/* original page (that contains <frameset> tag) doesn't exist */
+	return loadNormalBuf(buf, TRUE);
+    }
+
+    f_element = search_frame(nfbuf->frameset, target);
+    if (f_element == NULL) {
+	/* specified target doesn't exist in this frameset */
+	return loadNormalBuf(buf, TRUE);
+    }
+
+    /* frame page */
+
+    /* stack current frameset */
+    pushFrameTree(&(nfbuf->frameQ), copyFrameSet(nfbuf->frameset), Currentbuf);
+    /* delete frame view buffer */
+    delBuffer(Currentbuf);
+    Currentbuf = nfbuf;
+    /* nfbuf->frameset = copyFrameSet(nfbuf->frameset); */
+    resetFrameElement(f_element, buf, referer, request);
+    discardBuffer(buf);
+    rFrame();
+    {
+	Anchor *al = NULL;
+	char *label = pu.label;
+
+	if (label && f_element->element->attr == F_BODY) {
+	    al = searchAnchor(f_element->body->nameList, label);
+	}
+	if (!al) {
+	    label = Strnew_m_charp("_", target, NULL)->ptr;
+	    al = searchURLLabel(Currentbuf, label);
+	}
+	if (al) {
+	    gotoLine(Currentbuf, al->start.line);
+	    if (label_topline)
+		Currentbuf->topLine = lineSkip(Currentbuf, Currentbuf->topLine,
+					       Currentbuf->currentLine->
+					       linenumber -
+					       Currentbuf->topLine->linenumber,
+					       FALSE);
+	    Currentbuf->pos = al->start.pos;
+	    arrangeCursor(Currentbuf);
+	}
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+    return buf;
+}
+
+static void
+gotoLabel(char *label)
+{
+    Buffer *buf;
+    Anchor *al;
+    int i;
+
+    al = searchURLLabel(Currentbuf, label);
+    if (al == NULL) {
+	/* FIXME: gettextize? */
+	disp_message(Sprintf("%s is not found", label)->ptr, TRUE);
+	return;
+    }
+    buf = newBuffer(Currentbuf->width);
+    copyBuffer(buf, Currentbuf);
+    for (i = 0; i < MAX_LB; i++)
+	buf->linkBuffer[i] = NULL;
+    buf->currentURL.label = allocStr(label, -1);
+    pushHashHist(URLHist, parsedURL2Str(&buf->currentURL)->ptr);
+    (*buf->clone)++;
+    pushBuffer(buf);
+    gotoLine(Currentbuf, al->start.line);
+    if (label_topline)
+	Currentbuf->topLine = lineSkip(Currentbuf, Currentbuf->topLine,
+				       Currentbuf->currentLine->linenumber
+				       - Currentbuf->topLine->linenumber,
+				       FALSE);
+    Currentbuf->pos = al->start.pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    return;
+}
+
+/* follow HREF link */
+DEFUN(followA, GOTO_LINK, "Go to current link")
+{
+    Line *l;
+    Anchor *a;
+    ParsedURL u;
+#ifdef USE_IMAGE
+    int x = 0, y = 0, map = 0;
+#endif
+    char *url;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    l = Currentbuf->currentLine;
+
+#ifdef USE_IMAGE
+    a = retrieveCurrentImg(Currentbuf);
+    if (a && a->image && a->image->map) {
+	_followForm(FALSE);
+	return;
+    }
+    if (a && a->image && a->image->ismap) {
+	getMapXY(Currentbuf, a, &x, &y);
+	map = 1;
+    }
+#else
+    a = retrieveCurrentMap(Currentbuf);
+    if (a) {
+	_followForm(FALSE);
+	return;
+    }
+#endif
+    a = retrieveCurrentAnchor(Currentbuf);
+    if (a == NULL) {
+	_followForm(FALSE);
+	return;
+    }
+    if (*a->url == '#') {	/* index within this buffer */
+	gotoLabel(a->url + 1);
+	return;
+    }
+    parseURL2(a->url, &u, baseURL(Currentbuf));
+    if (Strcmp(parsedURL2Str(&u), parsedURL2Str(&Currentbuf->currentURL)) == 0) {
+	/* index within this buffer */
+	if (u.label) {
+	    gotoLabel(u.label);
+	    return;
+	}
+    }
+    if (!strncasecmp(a->url, "mailto:", 7)
+#ifdef USE_W3MMAILER
+	&& non_null(Mailer) && strchr(a->url, '?') == NULL
+#endif
+	) {
+	/* invoke external mailer */
+	Str to = Strnew_charp(a->url + 7);
+#ifndef USE_W3MMAILER
+	char *pos;
+	if (!non_null(Mailer)) {
+	    /* FIXME: gettextize? */
+	    disp_err_message("no mailer is specified", TRUE);
+	    return;
+	}
+	if ((pos = strchr(to->ptr, '?')) != NULL)
+	    Strtruncate(to, pos - to->ptr);
+#endif
+	fmTerm();
+	system(myExtCommand(Mailer, shell_quote(file_unquote(to->ptr)),
+			    FALSE)->ptr);
+	fmInit();
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	pushHashHist(URLHist, a->url);
+	return;
+    }
+#if 0
+    else if (!strncasecmp(a->url, "news:", 5) && strchr(a->url, '@') == NULL) {
+	/* news:newsgroup is not supported */
+	/* FIXME: gettextize? */
+	disp_err_message("news:newsgroup_name is not supported", TRUE);
+	return;
+    }
+#endif				/* USE_NNTP */
+    url = a->url;
+#ifdef USE_IMAGE
+    if (map)
+	url = Sprintf("%s?%d,%d", a->url, x, y)->ptr;
+#endif
+
+    if (check_target && open_tab_blank && a->target &&
+	(!strcasecmp(a->target, "_new") || !strcasecmp(a->target, "_blank"))) {
+	Buffer *buf;
+
+	_newT();
+	buf = Currentbuf;
+	loadLink(url, a->target, a->referer, NULL);
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	return;
+    }
+    loadLink(url, a->target, a->referer, NULL);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* follow HREF link in the buffer */
+void
+bufferA(void)
+{
+    on_target = FALSE;
+    followA();
+    on_target = TRUE;
+}
+
+/* view inline image */
+DEFUN(followI, VIEW_IMAGE, "View image")
+{
+    Line *l;
+    Anchor *a;
+    Buffer *buf;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    l = Currentbuf->currentLine;
+
+    a = retrieveCurrentImg(Currentbuf);
+    if (a == NULL)
+	return;
+    /* FIXME: gettextize? */
+    message(Sprintf("loading %s", a->url)->ptr, 0, 0);
+    refresh();
+    buf = loadGeneralFile(a->url, baseURL(Currentbuf), NULL, 0, NULL);
+    if (buf == NULL) {
+	/* FIXME: gettextize? */
+	char *emsg = Sprintf("Can't load %s", a->url)->ptr;
+	disp_err_message(emsg, FALSE);
+    }
+    else if (buf != NO_BUFFER) {
+	pushBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+static FormItemList *
+save_submit_formlist(FormItemList *src)
+{
+    FormList *list;
+    FormList *srclist;
+    FormItemList *srcitem;
+    FormItemList *item;
+    FormItemList *ret = NULL;
+#ifdef MENU_SELECT
+    FormSelectOptionItem *opt;
+    FormSelectOptionItem *curopt;
+    FormSelectOptionItem *srcopt;
+#endif				/* MENU_SELECT */
+
+    if (src == NULL)
+	return NULL;
+    srclist = src->parent;
+    list = New(FormList);
+    list->method = srclist->method;
+    list->action = Strdup(srclist->action);
+#ifdef USE_M17N
+    list->charset = srclist->charset;
+#endif
+    list->enctype = srclist->enctype;
+    list->nitems = srclist->nitems;
+    list->body = srclist->body;
+    list->boundary = srclist->boundary;
+    list->length = srclist->length;
+
+    for (srcitem = srclist->item; srcitem; srcitem = srcitem->next) {
+	item = New(FormItemList);
+	item->type = srcitem->type;
+	item->name = Strdup(srcitem->name);
+	item->value = Strdup(srcitem->value);
+	item->checked = srcitem->checked;
+	item->accept = srcitem->accept;
+	item->size = srcitem->size;
+	item->rows = srcitem->rows;
+	item->maxlength = srcitem->maxlength;
+	item->readonly = srcitem->readonly;
+#ifdef MENU_SELECT
+	opt = curopt = NULL;
+	for (srcopt = srcitem->select_option; srcopt; srcopt = srcopt->next) {
+	    if (!srcopt->checked)
+		continue;
+	    opt = New(FormSelectOptionItem);
+	    opt->value = Strdup(srcopt->value);
+	    opt->label = Strdup(srcopt->label);
+	    opt->checked = srcopt->checked;
+	    if (item->select_option == NULL) {
+		item->select_option = curopt = opt;
+	    }
+	    else {
+		curopt->next = opt;
+		curopt = curopt->next;
+	    }
+	}
+	item->select_option = opt;
+	if (srcitem->label)
+	    item->label = Strdup(srcitem->label);
+#endif				/* MENU_SELECT */
+	item->parent = list;
+	item->next = NULL;
+
+	if (list->lastitem == NULL) {
+	    list->item = list->lastitem = item;
+	}
+	else {
+	    list->lastitem->next = item;
+	    list->lastitem = item;
+	}
+
+	if (srcitem == src)
+	    ret = item;
+    }
+
+    return ret;
+}
+
+#ifdef USE_M17N
+static Str
+conv_form_encoding(Str val, FormItemList *fi, Buffer *buf)
+{
+    wc_ces charset = SystemCharset;
+
+    if (fi->parent->charset)
+	charset = fi->parent->charset;
+    else if (buf->document_charset && buf->document_charset != WC_CES_US_ASCII)
+	charset = buf->document_charset;
+    return wc_Str_conv_strict(val, InnerCharset, charset);
+}
+#else
+#define conv_form_encoding(val, fi, buf) (val)
+#endif
+
+static void
+query_from_followform(Str *query, FormItemList *fi, int multipart)
+{
+    FormItemList *f2;
+    FILE *body = NULL;
+
+    if (multipart) {
+	*query = tmpfname(TMPF_DFL, NULL);
+	body = fopen((*query)->ptr, "w");
+	if (body == NULL) {
+	    return;
+	}
+	fi->parent->body = (*query)->ptr;
+	fi->parent->boundary =
+	    Sprintf("------------------------------%d%ld%ld%ld", CurrentPid,
+		    fi->parent, fi->parent->body, fi->parent->boundary)->ptr;
+    }
+    *query = Strnew();
+    for (f2 = fi->parent->item; f2; f2 = f2->next) {
+	if (f2->name == NULL)
+	    continue;
+	/* <ISINDEX> is translated into single text form */
+	if (f2->name->length == 0 &&
+	    (multipart || f2->type != FORM_INPUT_TEXT))
+	    continue;
+	switch (f2->type) {
+	case FORM_INPUT_RESET:
+	    /* do nothing */
+	    continue;
+	case FORM_INPUT_SUBMIT:
+	case FORM_INPUT_IMAGE:
+	    if (f2 != fi || f2->value == NULL)
+		continue;
+	    break;
+	case FORM_INPUT_RADIO:
+	case FORM_INPUT_CHECKBOX:
+	    if (!f2->checked)
+		continue;
+	}
+	if (multipart) {
+	    if (f2->type == FORM_INPUT_IMAGE) {
+		int x = 0, y = 0;
+#ifdef USE_IMAGE
+		getMapXY(Currentbuf, retrieveCurrentImg(Currentbuf), &x, &y);
+#endif
+		*query = Strdup(conv_form_encoding(f2->name, fi, Currentbuf));
+		Strcat_charp(*query, ".x");
+		form_write_data(body, fi->parent->boundary, (*query)->ptr,
+				Sprintf("%d", x)->ptr);
+		*query = Strdup(conv_form_encoding(f2->name, fi, Currentbuf));
+		Strcat_charp(*query, ".y");
+		form_write_data(body, fi->parent->boundary, (*query)->ptr,
+				Sprintf("%d", y)->ptr);
+	    }
+	    else if (f2->name && f2->name->length > 0 && f2->value != NULL) {
+		/* not IMAGE */
+		*query = conv_form_encoding(f2->value, fi, Currentbuf);
+		if (f2->type == FORM_INPUT_FILE)
+		    form_write_from_file(body, fi->parent->boundary,
+					 conv_form_encoding(f2->name, fi,
+							    Currentbuf)->ptr,
+					 (*query)->ptr,
+					 Str_conv_to_system(f2->value)->ptr);
+		else
+		    form_write_data(body, fi->parent->boundary,
+				    conv_form_encoding(f2->name, fi,
+						       Currentbuf)->ptr,
+				    (*query)->ptr);
+	    }
+	}
+	else {
+	    /* not multipart */
+	    if (f2->type == FORM_INPUT_IMAGE) {
+		int x = 0, y = 0;
+#ifdef USE_IMAGE
+		getMapXY(Currentbuf, retrieveCurrentImg(Currentbuf), &x, &y);
+#endif
+		Strcat(*query,
+		       Str_form_quote(conv_form_encoding
+				      (f2->name, fi, Currentbuf)));
+		Strcat(*query, Sprintf(".x=%d&", x));
+		Strcat(*query,
+		       Str_form_quote(conv_form_encoding
+				      (f2->name, fi, Currentbuf)));
+		Strcat(*query, Sprintf(".y=%d", y));
+	    }
+	    else {
+		/* not IMAGE */
+		if (f2->name && f2->name->length > 0) {
+		    Strcat(*query,
+			   Str_form_quote(conv_form_encoding
+					  (f2->name, fi, Currentbuf)));
+		    Strcat_char(*query, '=');
+		}
+		if (f2->value != NULL) {
+		    if (fi->parent->method == FORM_METHOD_INTERNAL)
+			Strcat(*query, Str_form_quote(f2->value));
+		    else {
+			Strcat(*query,
+			       Str_form_quote(conv_form_encoding
+					      (f2->value, fi, Currentbuf)));
+		    }
+		}
+	    }
+	    if (f2->next)
+		Strcat_char(*query, '&');
+	}
+    }
+    if (multipart) {
+	fprintf(body, "--%s--\r\n", fi->parent->boundary);
+	fclose(body);
+    }
+    else {
+	/* remove trailing & */
+	while (Strlastchar(*query) == '&')
+	    Strshrink(*query, 1);
+    }
+}
+
+/* submit form */
+DEFUN(submitForm, SUBMIT, "Submit form")
+{
+    _followForm(TRUE);
+}
+
+/* process form */
+void
+followForm(void)
+{
+    _followForm(FALSE);
+}
+
+static void
+_followForm(int submit)
+{
+    Line *l;
+    Anchor *a, *a2;
+    char *p;
+    FormItemList *fi, *f2;
+    Str tmp, tmp2;
+    int multipart = 0, i;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    l = Currentbuf->currentLine;
+
+    a = retrieveCurrentForm(Currentbuf);
+    if (a == NULL)
+	return;
+    fi = (FormItemList *)a->url;
+    switch (fi->type) {
+    case FORM_INPUT_TEXT:
+	if (submit)
+	    goto do_submit;
+	if (fi->readonly)
+	    /* FIXME: gettextize? */
+	    disp_message_nsec("Read only field!", FALSE, 1, TRUE, FALSE);
+	/* FIXME: gettextize? */
+	p = inputStrHist("TEXT:", fi->value ? fi->value->ptr : NULL, TextHist);
+	if (p == NULL || fi->readonly)
+	    break;
+	fi->value = Strnew_charp(p);
+	formUpdateBuffer(a, Currentbuf, fi);
+	if (fi->accept || fi->parent->nitems == 1)
+	    goto do_submit;
+	break;
+    case FORM_INPUT_FILE:
+	if (submit)
+	    goto do_submit;
+	if (fi->readonly)
+	    /* FIXME: gettextize? */
+	    disp_message_nsec("Read only field!", FALSE, 1, TRUE, FALSE);
+	/* FIXME: gettextize? */
+	p = inputFilenameHist("Filename:", fi->value ? fi->value->ptr : NULL,
+			      NULL);
+	if (p == NULL || fi->readonly)
+	    break;
+	fi->value = Strnew_charp(p);
+	formUpdateBuffer(a, Currentbuf, fi);
+	if (fi->accept || fi->parent->nitems == 1)
+	    goto do_submit;
+	break;
+    case FORM_INPUT_PASSWORD:
+	if (submit)
+	    goto do_submit;
+	if (fi->readonly) {
+	    /* FIXME: gettextize? */
+	    disp_message_nsec("Read only field!", FALSE, 1, TRUE, FALSE);
+	    break;
+	}
+	/* FIXME: gettextize? */
+	p = inputLine("Password:", fi->value ? fi->value->ptr : NULL,
+		      IN_PASSWORD);
+	if (p == NULL)
+	    break;
+	fi->value = Strnew_charp(p);
+	formUpdateBuffer(a, Currentbuf, fi);
+	if (fi->accept)
+	    goto do_submit;
+	break;
+    case FORM_TEXTAREA:
+	if (submit)
+	    goto do_submit;
+	if (fi->readonly)
+	    /* FIXME: gettextize? */
+	    disp_message_nsec("Read only field!", FALSE, 1, TRUE, FALSE);
+	input_textarea(fi);
+	formUpdateBuffer(a, Currentbuf, fi);
+	break;
+    case FORM_INPUT_RADIO:
+	if (submit)
+	    goto do_submit;
+	if (fi->readonly) {
+	    /* FIXME: gettextize? */
+	    disp_message_nsec("Read only field!", FALSE, 1, TRUE, FALSE);
+	    break;
+	}
+	formRecheckRadio(a, Currentbuf, fi);
+	break;
+    case FORM_INPUT_CHECKBOX:
+	if (submit)
+	    goto do_submit;
+	if (fi->readonly) {
+	    /* FIXME: gettextize? */
+	    disp_message_nsec("Read only field!", FALSE, 1, TRUE, FALSE);
+	    break;
+	}
+	fi->checked = !fi->checked;
+	formUpdateBuffer(a, Currentbuf, fi);
+	break;
+#ifdef MENU_SELECT
+    case FORM_SELECT:
+	if (submit)
+	    goto do_submit;
+	if (!formChooseOptionByMenu(fi,
+				    Currentbuf->cursorX - Currentbuf->pos +
+				    a->start.pos + Currentbuf->rootX,
+				    Currentbuf->cursorY + Currentbuf->rootY))
+	    break;
+	formUpdateBuffer(a, Currentbuf, fi);
+	if (fi->parent->nitems == 1)
+	    goto do_submit;
+	break;
+#endif				/* MENU_SELECT */
+    case FORM_INPUT_IMAGE:
+    case FORM_INPUT_SUBMIT:
+    case FORM_INPUT_BUTTON:
+      do_submit:
+	tmp = Strnew();
+	tmp2 = Strnew();
+	multipart = (fi->parent->method == FORM_METHOD_POST &&
+		     fi->parent->enctype == FORM_ENCTYPE_MULTIPART);
+	query_from_followform(&tmp, fi, multipart);
+
+	tmp2 = Strdup(fi->parent->action);
+	if (!Strcmp_charp(tmp2, "!CURRENT_URL!")) {
+	    /* It means "current URL" */
+	    tmp2 = parsedURL2Str(&Currentbuf->currentURL);
+	    if ((p = strchr(tmp2->ptr, '?')) != NULL)
+		Strshrink(tmp2, (tmp2->ptr + tmp2->length) - p);
+	}
+
+	if (fi->parent->method == FORM_METHOD_GET) {
+	    if ((p = strchr(tmp2->ptr, '?')) != NULL)
+		Strshrink(tmp2, (tmp2->ptr + tmp2->length) - p);
+	    Strcat_charp(tmp2, "?");
+	    Strcat(tmp2, tmp);
+	    loadLink(tmp2->ptr, a->target, NULL, NULL);
+	}
+	else if (fi->parent->method == FORM_METHOD_POST) {
+	    Buffer *buf;
+	    if (multipart) {
+		struct stat st;
+		stat(fi->parent->body, &st);
+		fi->parent->length = st.st_size;
+	    }
+	    else {
+		fi->parent->body = tmp->ptr;
+		fi->parent->length = tmp->length;
+	    }
+	    buf = loadLink(tmp2->ptr, a->target, NULL, fi->parent);
+	    if (multipart) {
+		unlink(fi->parent->body);
+	    }
+	    if (buf && !(buf->bufferprop & BP_REDIRECTED)) {	/* buf must be Currentbuf */
+		/* BP_REDIRECTED means that the buffer is obtained through
+		 * Location: header. In this case, buf->form_submit must not be set
+		 * because the page is not loaded by POST method but GET method.
+		 */
+		buf->form_submit = save_submit_formlist(fi);
+	    }
+	}
+	else if ((fi->parent->method == FORM_METHOD_INTERNAL && (!Strcmp_charp(fi->parent->action, "map") || !Strcmp_charp(fi->parent->action, "none"))) || Currentbuf->bufferprop & BP_INTERNAL) {	/* internal */
+	    do_internal(tmp2->ptr, tmp->ptr);
+	}
+	else {
+	    disp_err_message("Can't send form because of illegal method.",
+			     FALSE);
+	}
+	break;
+    case FORM_INPUT_RESET:
+	for (i = 0; i < Currentbuf->formitem->nanchor; i++) {
+	    a2 = &Currentbuf->formitem->anchors[i];
+	    f2 = (FormItemList *)a2->url;
+	    if (f2->parent == fi->parent &&
+		f2->name && f2->value &&
+		f2->type != FORM_INPUT_SUBMIT &&
+		f2->type != FORM_INPUT_HIDDEN &&
+		f2->type != FORM_INPUT_RESET) {
+		f2->value = f2->init_value;
+		f2->checked = f2->init_checked;
+#ifdef MENU_SELECT
+		f2->label = f2->init_label;
+		f2->selected = f2->init_selected;
+#endif				/* MENU_SELECT */
+		formUpdateBuffer(a2, Currentbuf, f2);
+	    }
+	}
+	break;
+    case FORM_INPUT_HIDDEN:
+    default:
+	break;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* go to the top anchor */
+DEFUN(topA, LINK_BEGIN, "Go to the first link")
+{
+    HmarkerList *hl = Currentbuf->hmarklist;
+    BufferPoint *po;
+    Anchor *an;
+    int hseq = 0;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (!hl || hl->nmark == 0)
+	return;
+
+    if (prec_num > hl->nmark)
+	hseq = hl->nmark - 1;
+    else if (prec_num > 0)
+	hseq = prec_num - 1;
+    do {
+	if (hseq >= hl->nmark)
+	    return;
+	po = hl->marks + hseq;
+	an = retrieveAnchor(Currentbuf->href, po->line, po->pos);
+	if (an == NULL)
+	    an = retrieveAnchor(Currentbuf->formitem, po->line, po->pos);
+	hseq++;
+    } while (an == NULL);
+
+    gotoLine(Currentbuf, po->line);
+    Currentbuf->pos = po->pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* go to the last anchor */
+DEFUN(lastA, LINK_END, "Go to the last link")
+{
+    HmarkerList *hl = Currentbuf->hmarklist;
+    BufferPoint *po;
+    Anchor *an;
+    int hseq;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (!hl || hl->nmark == 0)
+	return;
+
+    if (prec_num >= hl->nmark)
+	hseq = 0;
+    else if (prec_num > 0)
+	hseq = hl->nmark - prec_num;
+    else
+	hseq = hl->nmark - 1;
+    do {
+	if (hseq < 0)
+	    return;
+	po = hl->marks + hseq;
+	an = retrieveAnchor(Currentbuf->href, po->line, po->pos);
+	if (an == NULL)
+	    an = retrieveAnchor(Currentbuf->formitem, po->line, po->pos);
+	hseq--;
+    } while (an == NULL);
+
+    gotoLine(Currentbuf, po->line);
+    Currentbuf->pos = po->pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* go to the next anchor */
+DEFUN(nextA, NEXT_LINK, "Move to next link")
+{
+    _nextA(FALSE);
+}
+
+/* go to the previous anchor */
+DEFUN(prevA, PREV_LINK, "Move to previous link")
+{
+    _prevA(FALSE);
+}
+
+/* go to the next visited anchor */
+DEFUN(nextVA, NEXT_VISITED, "Move to next visited link")
+{
+    _nextA(TRUE);
+}
+
+/* go to the previous visited anchor */
+DEFUN(prevVA, PREV_VISITED, "Move to previous visited link")
+{
+    _prevA(TRUE);
+}
+
+/* go to the next [visited] anchor */
+static void
+_nextA(int visited)
+{
+    HmarkerList *hl = Currentbuf->hmarklist;
+    BufferPoint *po;
+    Anchor *an, *pan;
+    int i, x, y, n = searchKeyNum();
+    ParsedURL url;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (!hl || hl->nmark == 0)
+	return;
+
+    an = retrieveCurrentAnchor(Currentbuf);
+    if (visited != TRUE && an == NULL)
+	an = retrieveCurrentForm(Currentbuf);
+
+    y = Currentbuf->currentLine->linenumber;
+    x = Currentbuf->pos;
+
+    if (visited == TRUE) {
+	n = hl->nmark;
+    }
+
+    for (i = 0; i < n; i++) {
+	pan = an;
+	if (an && an->hseq >= 0) {
+	    int hseq = an->hseq + 1;
+	    do {
+		if (hseq >= hl->nmark) {
+		    if (visited == TRUE)
+			return;
+		    an = pan;
+		    goto _end;
+		}
+		po = &hl->marks[hseq];
+		an = retrieveAnchor(Currentbuf->href, po->line, po->pos);
+		if (visited != TRUE && an == NULL)
+		    an = retrieveAnchor(Currentbuf->formitem, po->line,
+					po->pos);
+		hseq++;
+		if (visited == TRUE && an) {
+		    parseURL2(an->url, &url, baseURL(Currentbuf));
+		    if (getHashHist(URLHist, parsedURL2Str(&url)->ptr)) {
+			goto _end;
+		    }
+		}
+	    } while (an == NULL || an == pan);
+	}
+	else {
+	    an = closest_next_anchor(Currentbuf->href, NULL, x, y);
+	    if (visited != TRUE)
+		an = closest_next_anchor(Currentbuf->formitem, an, x, y);
+	    if (an == NULL) {
+		if (visited == TRUE)
+		    return;
+		an = pan;
+		break;
+	    }
+	    x = an->start.pos;
+	    y = an->start.line;
+	    if (visited == TRUE) {
+		parseURL2(an->url, &url, baseURL(Currentbuf));
+		if (getHashHist(URLHist, parsedURL2Str(&url)->ptr)) {
+		    goto _end;
+		}
+	    }
+	}
+    }
+    if (visited == TRUE)
+	return;
+
+  _end:
+    if (an == NULL || an->hseq < 0)
+	return;
+    po = &hl->marks[an->hseq];
+    gotoLine(Currentbuf, po->line);
+    Currentbuf->pos = po->pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* go to the previous anchor */
+static void
+_prevA(int visited)
+{
+    HmarkerList *hl = Currentbuf->hmarklist;
+    BufferPoint *po;
+    Anchor *an, *pan;
+    int i, x, y, n = searchKeyNum();
+    ParsedURL url;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (!hl || hl->nmark == 0)
+	return;
+
+    an = retrieveCurrentAnchor(Currentbuf);
+    if (visited != TRUE && an == NULL)
+	an = retrieveCurrentForm(Currentbuf);
+
+    y = Currentbuf->currentLine->linenumber;
+    x = Currentbuf->pos;
+
+    if (visited == TRUE) {
+	n = hl->nmark;
+    }
+
+    for (i = 0; i < n; i++) {
+	pan = an;
+	if (an && an->hseq >= 0) {
+	    int hseq = an->hseq - 1;
+	    do {
+		if (hseq < 0) {
+		    if (visited == TRUE)
+			return;
+		    an = pan;
+		    goto _end;
+		}
+		po = hl->marks + hseq;
+		an = retrieveAnchor(Currentbuf->href, po->line, po->pos);
+		if (visited != TRUE && an == NULL)
+		    an = retrieveAnchor(Currentbuf->formitem, po->line,
+					po->pos);
+		hseq--;
+		if (visited == TRUE && an) {
+		    parseURL2(an->url, &url, baseURL(Currentbuf));
+		    if (getHashHist(URLHist, parsedURL2Str(&url)->ptr)) {
+			goto _end;
+		    }
+		}
+	    } while (an == NULL || an == pan);
+	}
+	else {
+	    an = closest_prev_anchor(Currentbuf->href, NULL, x, y);
+	    if (visited != TRUE)
+		an = closest_prev_anchor(Currentbuf->formitem, an, x, y);
+	    if (an == NULL) {
+		if (visited == TRUE)
+		    return;
+		an = pan;
+		break;
+	    }
+	    x = an->start.pos;
+	    y = an->start.line;
+	    if (visited == TRUE && an) {
+		parseURL2(an->url, &url, baseURL(Currentbuf));
+		if (getHashHist(URLHist, parsedURL2Str(&url)->ptr)) {
+		    goto _end;
+		}
+	    }
+	}
+    }
+    if (visited == TRUE)
+	return;
+
+  _end:
+    if (an == NULL || an->hseq < 0)
+	return;
+    po = hl->marks + an->hseq;
+    gotoLine(Currentbuf, po->line);
+    Currentbuf->pos = po->pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* go to the next left/right anchor */
+static void
+nextX(int d, int dy)
+{
+    HmarkerList *hl = Currentbuf->hmarklist;
+    Anchor *an, *pan;
+    Line *l;
+    int i, x, y, n = searchKeyNum();
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (!hl || hl->nmark == 0)
+	return;
+
+    an = retrieveCurrentAnchor(Currentbuf);
+    if (an == NULL)
+	an = retrieveCurrentForm(Currentbuf);
+
+    l = Currentbuf->currentLine;
+    x = Currentbuf->pos;
+    y = l->linenumber;
+    pan = NULL;
+    for (i = 0; i < n; i++) {
+	if (an)
+	    x = (d > 0) ? an->end.pos : an->start.pos - 1;
+	an = NULL;
+	while (1) {
+	    for (; x >= 0 && x < l->len; x += d) {
+		an = retrieveAnchor(Currentbuf->href, y, x);
+		if (!an)
+		    an = retrieveAnchor(Currentbuf->formitem, y, x);
+		if (an) {
+		    pan = an;
+		    break;
+		}
+	    }
+	    if (!dy || an)
+		break;
+	    l = (dy > 0) ? l->next : l->prev;
+	    if (!l)
+		break;
+	    x = (d > 0) ? 0 : l->len - 1;
+	    y = l->linenumber;
+	}
+	if (!an)
+	    break;
+    }
+
+    if (pan == NULL)
+	return;
+    gotoLine(Currentbuf, y);
+    Currentbuf->pos = pan->start.pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* go to the next downward/upward anchor */
+static void
+nextY(int d)
+{
+    HmarkerList *hl = Currentbuf->hmarklist;
+    Anchor *an, *pan;
+    int i, x, y, n = searchKeyNum();
+    int hseq;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (!hl || hl->nmark == 0)
+	return;
+
+    an = retrieveCurrentAnchor(Currentbuf);
+    if (an == NULL)
+	an = retrieveCurrentForm(Currentbuf);
+
+    x = Currentbuf->pos;
+    y = Currentbuf->currentLine->linenumber + d;
+    pan = NULL;
+    hseq = -1;
+    for (i = 0; i < n; i++) {
+	if (an)
+	    hseq = abs(an->hseq);
+	an = NULL;
+	for (; y >= 0 && y <= Currentbuf->lastLine->linenumber; y += d) {
+	    an = retrieveAnchor(Currentbuf->href, y, x);
+	    if (!an)
+		an = retrieveAnchor(Currentbuf->formitem, y, x);
+	    if (an && hseq != abs(an->hseq)) {
+		pan = an;
+		break;
+	    }
+	}
+	if (!an)
+	    break;
+    }
+
+    if (pan == NULL)
+	return;
+    gotoLine(Currentbuf, pan->start.line);
+    arrangeLine(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* go to the next left anchor */
+DEFUN(nextL, NEXT_LEFT, "Move to next left link")
+{
+    nextX(-1, 0);
+}
+
+/* go to the next left-up anchor */
+DEFUN(nextLU, NEXT_LEFT_UP, "Move to next left (or upward) link")
+{
+    nextX(-1, -1);
+}
+
+/* go to the next right anchor */
+DEFUN(nextR, NEXT_RIGHT, "Move to next right link")
+{
+    nextX(1, 0);
+}
+
+/* go to the next right-down anchor */
+DEFUN(nextRD, NEXT_RIGHT_DOWN, "Move to next right (or downward) link")
+{
+    nextX(1, 1);
+}
+
+/* go to the next downward anchor */
+DEFUN(nextD, NEXT_DOWN, "Move to next downward link")
+{
+    nextY(1);
+}
+
+/* go to the next upward anchor */
+DEFUN(nextU, NEXT_UP, "Move to next upward link")
+{
+    nextY(-1);
+}
+
+/* go to the next bufferr */
+DEFUN(nextBf, NEXT, "Move to next buffer")
+{
+    Buffer *buf;
+    int i;
+
+    for (i = 0; i < PREC_NUM; i++) {
+	buf = prevBuffer(Firstbuf, Currentbuf);
+	if (!buf) {
+	    if (i == 0)
+		return;
+	    break;
+	}
+	Currentbuf = buf;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* go to the previous bufferr */
+DEFUN(prevBf, PREV, "Move to previous buffer")
+{
+    Buffer *buf;
+    int i;
+
+    for (i = 0; i < PREC_NUM; i++) {
+	buf = Currentbuf->nextBuffer;
+	if (!buf) {
+	    if (i == 0)
+		return;
+	    break;
+	}
+	Currentbuf = buf;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+static int
+checkBackBuffer(Buffer *buf)
+{
+    Buffer *fbuf = buf->linkBuffer[LB_N_FRAME];
+
+    if (fbuf) {
+	if (fbuf->frameQ)
+	    return TRUE;	/* Currentbuf has stacked frames */
+	/* when no frames stacked and next is frame source, try next's
+	 * nextBuffer */
+	if (RenderFrame && fbuf == buf->nextBuffer) {
+	    if (fbuf->nextBuffer != NULL)
+		return TRUE;
+	    else
+		return FALSE;
+	}
+    }
+
+    if (buf->nextBuffer)
+	return TRUE;
+
+    return FALSE;
+}
+
+/* delete current buffer and back to the previous buffer */
+DEFUN(backBf, BACK, "Back to previous buffer")
+{
+    Buffer *buf = Currentbuf->linkBuffer[LB_N_FRAME];
+
+    if (!checkBackBuffer(Currentbuf)) {
+	if (close_tab_back && nTab >= 1) {
+	    deleteTab(CurrentTab);
+	    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	}
+	else
+	    /* FIXME: gettextize? */
+	    disp_message("Can't back...", TRUE);
+	return;
+    }
+
+    delBuffer(Currentbuf);
+
+    if (buf) {
+	if (buf->frameQ) {
+	    struct frameset *fs;
+	    long linenumber = buf->frameQ->linenumber;
+	    long top = buf->frameQ->top_linenumber;
+	    int pos = buf->frameQ->pos;
+	    int currentColumn = buf->frameQ->currentColumn;
+	    AnchorList *formitem = buf->frameQ->formitem;
+
+	    fs = popFrameTree(&(buf->frameQ));
+	    deleteFrameSet(buf->frameset);
+	    buf->frameset = fs;
+
+	    if (buf == Currentbuf) {
+		rFrame();
+		Currentbuf->topLine = lineSkip(Currentbuf,
+					       Currentbuf->firstLine, top - 1,
+					       FALSE);
+		gotoLine(Currentbuf, linenumber);
+		Currentbuf->pos = pos;
+		Currentbuf->currentColumn = currentColumn;
+		arrangeCursor(Currentbuf);
+		formResetBuffer(Currentbuf, formitem);
+	    }
+	}
+	else if (RenderFrame && buf == Currentbuf) {
+	    delBuffer(Currentbuf);
+	}
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(deletePrevBuf, DELETE_PREVBUF,
+      "Delete previous buffer (mainly for local-CGI)")
+{
+    Buffer *buf = Currentbuf->nextBuffer;
+    if (buf)
+	delBuffer(buf);
+}
+
+static void
+cmd_loadURL(char *url, ParsedURL *current, char *referer, FormList *request)
+{
+    Buffer *buf;
+
+    if (!strncasecmp(url, "mailto:", 7)
+#ifdef USE_W3MMAILER
+	&& non_null(Mailer) && strchr(url, '?') == NULL
+#endif
+	) {
+	/* invoke external mailer */
+	Str to = Strnew_charp(url + 7);
+#ifndef USE_W3MMAILER
+	char *pos;
+	if (!non_null(Mailer)) {
+	    /* FIXME: gettextize? */
+	    disp_err_message("no mailer is specified", TRUE);
+	    return;
+	}
+	if ((pos = strchr(to->ptr, '?')) != NULL)
+	    Strtruncate(to, pos - to->ptr);
+#endif
+	fmTerm();
+	system(myExtCommand(Mailer, shell_quote(file_unquote(to->ptr)),
+			    FALSE)->ptr);
+	fmInit();
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	pushHashHist(URLHist, url);
+	return;
+    }
+#if 0
+    if (!strncasecmp(url, "news:", 5) && strchr(url, '@') == NULL) {
+	/* news:newsgroup is not supported */
+	/* FIXME: gettextize? */
+	disp_err_message("news:newsgroup_name is not supported", TRUE);
+	return;
+    }
+#endif				/* USE_NNTP */
+
+    refresh();
+    buf = loadGeneralFile(url, current, referer, 0, request);
+    if (buf == NULL) {
+	/* FIXME: gettextize? */
+	char *emsg = Sprintf("Can't load %s", conv_from_system(url))->ptr;
+	disp_err_message(emsg, FALSE);
+    }
+    else if (buf != NO_BUFFER) {
+	pushBuffer(buf);
+	if (RenderFrame && Currentbuf->frameset != NULL)
+	    rFrame();
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+
+/* go to specified URL */
+static void
+goURL0(char *prompt, int relative)
+{
+    char *url, *referer;
+    ParsedURL p_url, *current;
+    Buffer *cur_buf = Currentbuf;
+
+    url = searchKeyData();
+    if (url == NULL) {
+	Hist *hist = copyHist(URLHist);
+	Anchor *a;
+
+	current = baseURL(Currentbuf);
+	if (current) {
+	    char *c_url = parsedURL2Str(current)->ptr;
+	    if (DefaultURLString == DEFAULT_URL_CURRENT) {
+		url = c_url;
+		if (DecodeURL)
+		    url = url_unquote_conv(url, 0);
+	    }
+	    else
+		pushHist(hist, c_url);
+	}
+	a = retrieveCurrentAnchor(Currentbuf);
+	if (a) {
+	    char *a_url;
+	    parseURL2(a->url, &p_url, current);
+	    a_url = parsedURL2Str(&p_url)->ptr;
+	    if (DefaultURLString == DEFAULT_URL_LINK) {
+		url = a_url;
+		if (DecodeURL)
+		    url = url_unquote_conv(url, Currentbuf->document_charset);
+	    }
+	    else
+		pushHist(hist, a_url);
+	}
+	url = inputLineHist(prompt, url, IN_URL, hist);
+	if (url != NULL)
+	    SKIP_BLANKS(url);
+    }
+#ifdef USE_M17N
+    if (url != NULL) {
+	if ((relative || *url == '#') && Currentbuf->document_charset)
+	    url = wc_conv_strict(url, InnerCharset,
+				 Currentbuf->document_charset)->ptr;
+	else
+	    url = conv_to_system(url);
+    }
+#endif
+    if (url == NULL || *url == '\0') {
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	return;
+    }
+    if (*url == '#') {
+	gotoLabel(url + 1);
+	return;
+    }
+    if (relative) {
+	current = baseURL(Currentbuf);
+	referer = parsedURL2Str(&Currentbuf->currentURL)->ptr;
+    }
+    else {
+	current = NULL;
+	referer = NULL;
+    }
+    parseURL2(url, &p_url, current);
+    pushHashHist(URLHist, parsedURL2Str(&p_url)->ptr);
+    cmd_loadURL(url, current, referer, NULL);
+    if (Currentbuf != cur_buf)	/* success */
+	pushHashHist(URLHist, parsedURL2Str(&Currentbuf->currentURL)->ptr);
+}
+
+DEFUN(goURL, GOTO, "Go to URL")
+{
+    goURL0("Goto URL: ", FALSE);
+}
+
+DEFUN(gorURL, GOTO_RELATIVE, "Go to relative URL")
+{
+    goURL0("Goto relative URL: ", TRUE);
+}
+
+static void
+cmd_loadBuffer(Buffer *buf, int prop, int linkid)
+{
+    if (buf == NULL) {
+	disp_err_message("Can't load string", FALSE);
+    }
+    else if (buf != NO_BUFFER) {
+	buf->bufferprop |= (BP_INTERNAL | prop);
+	if (!(buf->bufferprop & BP_NO_URL))
+	    copyParsedURL(&buf->currentURL, &Currentbuf->currentURL);
+	if (linkid != LB_NOLINK) {
+	    buf->linkBuffer[REV_LB[linkid]] = Currentbuf;
+	    Currentbuf->linkBuffer[linkid] = buf;
+	}
+	pushBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* load bookmark */
+DEFUN(ldBmark, BOOKMARK VIEW_BOOKMARK, "Read bookmark")
+{
+    cmd_loadURL(BookmarkFile, NULL, NO_REFERER, NULL);
+}
+
+
+/* Add current to bookmark */
+DEFUN(adBmark, ADD_BOOKMARK, "Add current page to bookmark")
+{
+    Str tmp;
+    FormList *request;
+
+    tmp = Sprintf("mode=panel&cookie=%s&bmark=%s&url=%s&title=%s",
+		  (Str_form_quote(localCookie()))->ptr,
+		  (Str_form_quote(Strnew_charp(BookmarkFile)))->ptr,
+		  (Str_form_quote(parsedURL2Str(&Currentbuf->currentURL)))->
+		  ptr,
+#ifdef USE_M17N
+#if LANG == JA
+		  /* FIXME: why WC_CES_EUC_JP hardcoded? 
+		   *  backward compatibility.
+		   *  w3mbookmark takes arguments as EUC-JP only?
+		   */
+		  (Str_form_quote(wc_conv_strict(Currentbuf->buffername,
+						 InnerCharset,
+						 WC_CES_EUC_JP)))->ptr);
+#else
+		  (Str_form_quote(wc_conv_strict(Currentbuf->buffername,
+						 InnerCharset,
+						 SystemCharset)))->ptr);
+#endif
+#else
+		  (Str_form_quote(Strnew_charp(Currentbuf->buffername)))->ptr);
+#endif
+    request = newFormList(NULL, "post", NULL, NULL, NULL, NULL, NULL);
+    request->body = tmp->ptr;
+    request->length = tmp->length;
+    cmd_loadURL("file:///$LIB/" W3MBOOKMARK_CMDNAME, NULL, NO_REFERER,
+		request);
+}
+
+/* option setting */
+DEFUN(ldOpt, OPTIONS, "Option setting panel")
+{
+    cmd_loadBuffer(load_option_panel(), BP_NO_URL, LB_NOLINK);
+}
+
+/* set an option */
+DEFUN(setOpt, SET_OPTION, "Set option")
+{
+    char *opt;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    opt = searchKeyData();
+    if (opt == NULL || *opt == '\0' || strchr(opt, '=') == NULL) {
+	if (opt != NULL && *opt != '\0') {
+	    char *v = get_param_option(opt);
+	    opt = Sprintf("%s=%s", opt, v ? v : "")->ptr;
+	}
+	opt = inputStrHist("Set option: ", opt, TextHist);
+	if (opt == NULL || *opt == '\0') {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    if (set_param_option(opt))
+	sync_with_option();
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+
+/* error message list */
+DEFUN(msgs, MSGS, "Display error messages")
+{
+    cmd_loadBuffer(message_list_panel(), BP_NO_URL, LB_NOLINK);
+}
+
+/* page info */
+DEFUN(pginfo, INFO, "View info of current document")
+{
+    Buffer *buf;
+
+    if ((buf = Currentbuf->linkBuffer[LB_N_INFO]) != NULL) {
+	Currentbuf = buf;
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    if ((buf = Currentbuf->linkBuffer[LB_INFO]) != NULL)
+	delBuffer(buf);
+    buf = page_info_panel(Currentbuf);
+    cmd_loadBuffer(buf, BP_NORMAL, LB_INFO);
+}
+
+void
+follow_map(struct parsed_tagarg *arg)
+{
+    char *name = tag_get_value(arg, "link");
+#if defined(MENU_MAP) || defined(USE_IMAGE)
+    Anchor *an;
+    MapArea *a;
+    int x, y;
+    ParsedURL p_url;
+
+    an = retrieveCurrentImg(Currentbuf);
+    x = Currentbuf->cursorX + Currentbuf->rootX;
+    y = Currentbuf->cursorY + Currentbuf->rootY;
+    a = follow_map_menu(Currentbuf, name, an, x, y);
+    if (a == NULL || a->url == NULL || *(a->url) == '\0') {
+#endif
+#ifndef MENU_MAP
+	Buffer *buf = follow_map_panel(Currentbuf, name);
+
+	if (buf != NULL)
+	    cmd_loadBuffer(buf, BP_NORMAL, LB_NOLINK);
+#endif
+#if defined(MENU_MAP) || defined(USE_IMAGE)
+	return;
+    }
+    if (*(a->url) == '#') {
+	gotoLabel(a->url + 1);
+	return;
+    }
+    parseURL2(a->url, &p_url, baseURL(Currentbuf));
+    pushHashHist(URLHist, parsedURL2Str(&p_url)->ptr);
+    if (check_target && open_tab_blank && a->target &&
+	(!strcasecmp(a->target, "_new") || !strcasecmp(a->target, "_blank"))) {
+	Buffer *buf;
+
+	_newT();
+	buf = Currentbuf;
+	cmd_loadURL(a->url, baseURL(Currentbuf),
+		    parsedURL2Str(&Currentbuf->currentURL)->ptr, NULL);
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	return;
+    }
+    cmd_loadURL(a->url, baseURL(Currentbuf),
+		parsedURL2Str(&Currentbuf->currentURL)->ptr, NULL);
+#endif
+}
+
+#ifdef USE_MENU
+/* link menu */
+DEFUN(linkMn, LINK_MENU, "Popup link element menu")
+{
+    LinkList *l = link_menu(Currentbuf);
+    ParsedURL p_url;
+
+    if (!l || !l->url)
+	return;
+    if (*(l->url) == '#') {
+	gotoLabel(l->url + 1);
+	return;
+    }
+    parseURL2(l->url, &p_url, baseURL(Currentbuf));
+    pushHashHist(URLHist, parsedURL2Str(&p_url)->ptr);
+    cmd_loadURL(l->url, baseURL(Currentbuf),
+		parsedURL2Str(&Currentbuf->currentURL)->ptr, NULL);
+}
+
+static void
+anchorMn(Anchor *(*menu_func) (Buffer *), int go)
+{
+    Anchor *a;
+    BufferPoint *po;
+
+    if (!Currentbuf->href || !Currentbuf->hmarklist)
+	return;
+    a = menu_func(Currentbuf);
+    if (!a || a->hseq < 0)
+	return;
+    po = &Currentbuf->hmarklist->marks[a->hseq];
+    gotoLine(Currentbuf, po->line);
+    Currentbuf->pos = po->pos;
+    arrangeCursor(Currentbuf);
+    displayBuffer(Currentbuf, B_NORMAL);
+    if (go)
+	followA();
+}
+
+/* accesskey */
+DEFUN(accessKey, ACCESSKEY, "Popup acceskey menu")
+{
+    anchorMn(accesskey_menu, TRUE);
+}
+
+/* list menu */
+DEFUN(listMn, LIST_MENU, "Popup link list menu and go to selected link")
+{
+    anchorMn(list_menu, TRUE);
+}
+
+DEFUN(movlistMn, MOVE_LIST_MENU,
+      "Popup link list menu and move cursor to selected link")
+{
+    anchorMn(list_menu, FALSE);
+}
+#endif
+
+/* link,anchor,image list */
+DEFUN(linkLst, LIST, "Show all links and images")
+{
+    Buffer *buf;
+
+    buf = link_list_panel(Currentbuf);
+    if (buf != NULL) {
+#ifdef USE_M17N
+	buf->document_charset = Currentbuf->document_charset;
+#endif
+	cmd_loadBuffer(buf, BP_NORMAL, LB_NOLINK);
+    }
+}
+
+#ifdef USE_COOKIE
+/* cookie list */
+DEFUN(cooLst, COOKIE, "View cookie list")
+{
+    Buffer *buf;
+
+    buf = cookie_list_panel();
+    if (buf != NULL)
+	cmd_loadBuffer(buf, BP_NO_URL, LB_NOLINK);
+}
+#endif				/* USE_COOKIE */
+
+#ifdef USE_HISTORY
+/* History page */
+DEFUN(ldHist, HISTORY, "View history of URL")
+{
+    cmd_loadBuffer(historyBuffer(URLHist), BP_NO_URL, LB_NOLINK);
+}
+#endif				/* USE_HISTORY */
+
+/* download HREF link */
+DEFUN(svA, SAVE_LINK, "Save link to file")
+{
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    do_download = TRUE;
+    followA();
+    do_download = FALSE;
+}
+
+/* download IMG link */
+DEFUN(svI, SAVE_IMAGE, "Save image to file")
+{
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    do_download = TRUE;
+    followI();
+    do_download = FALSE;
+}
+
+/* save buffer */
+DEFUN(svBuf, PRINT SAVE_SCREEN, "Save rendered document to file")
+{
+    char *qfile = NULL, *file;
+    FILE *f;
+    int is_pipe;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    file = searchKeyData();
+    if (file == NULL || *file == '\0') {
+	/* FIXME: gettextize? */
+	qfile = inputLineHist("Save buffer to: ", NULL, IN_COMMAND, SaveHist);
+	if (qfile == NULL || *qfile == '\0') {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    file = conv_to_system(qfile ? qfile : file);
+    if (*file == '|') {
+	is_pipe = TRUE;
+	f = popen(file + 1, "w");
+    }
+    else {
+	if (qfile) {
+	    file = unescape_spaces(Strnew_charp(qfile))->ptr;
+	    file = conv_to_system(file);
+	}
+	file = expandPath(file);
+	if (checkOverWrite(file) < 0) {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+	f = fopen(file, "w");
+	is_pipe = FALSE;
+    }
+    if (f == NULL) {
+	/* FIXME: gettextize? */
+	char *emsg = Sprintf("Can't open %s", conv_from_system(file))->ptr;
+	disp_err_message(emsg, TRUE);
+	return;
+    }
+    saveBuffer(Currentbuf, f, TRUE);
+    if (is_pipe)
+	pclose(f);
+    else
+	fclose(f);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* save source */
+DEFUN(svSrc, DOWNLOAD SAVE, "Save document source to file")
+{
+    char *file;
+
+    if (Currentbuf->sourcefile == NULL)
+	return;
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    PermitSaveToPipe = TRUE;
+    if (Currentbuf->real_scheme == SCM_LOCAL)
+	file = conv_from_system(guess_save_name(NULL,
+						Currentbuf->currentURL.
+						real_file));
+    else
+	file = guess_save_name(Currentbuf, Currentbuf->currentURL.file);
+    doFileCopy(Currentbuf->sourcefile, file);
+    PermitSaveToPipe = FALSE;
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+static void
+_peekURL(int only_img)
+{
+
+    Anchor *a;
+    ParsedURL pu;
+    static Str s = NULL;
+#ifdef USE_M17N
+    static Lineprop *p = NULL;
+    Lineprop *pp;
+#endif
+    static int offset = 0, n;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    if (CurrentKey == prev_key && s != NULL) {
+	if (s->length - offset >= COLS)
+	    offset++;
+	else if (s->length <= offset)	/* bug ? */
+	    offset = 0;
+	goto disp;
+    }
+    else {
+	offset = 0;
+    }
+    s = NULL;
+    a = (only_img ? NULL : retrieveCurrentAnchor(Currentbuf));
+    if (a == NULL) {
+	a = (only_img ? NULL : retrieveCurrentForm(Currentbuf));
+	if (a == NULL) {
+	    a = retrieveCurrentImg(Currentbuf);
+	    if (a == NULL)
+		return;
+	}
+	else
+	    s = Strnew_charp(form2str((FormItemList *)a->url));
+    }
+    if (s == NULL) {
+	parseURL2(a->url, &pu, baseURL(Currentbuf));
+	s = parsedURL2Str(&pu);
+    }
+    if (DecodeURL)
+	s = Strnew_charp(url_unquote_conv
+			 (s->ptr, Currentbuf->document_charset));
+#ifdef USE_M17N
+    s = checkType(s, &pp, NULL);
+    p = NewAtom_N(Lineprop, s->length);
+    bcopy((void *)pp, (void *)p, s->length * sizeof(Lineprop));
+#endif
+  disp:
+    n = searchKeyNum();
+    if (n > 1 && s->length > (n - 1) * (COLS - 1))
+	offset = (n - 1) * (COLS - 1);
+#ifdef USE_M17N
+    while (offset < s->length && p[offset] & PC_WCHAR2)
+	offset++;
+#endif
+    disp_message_nomouse(&s->ptr[offset], TRUE);
+}
+
+/* peek URL */
+DEFUN(peekURL, PEEK_LINK, "Peek link URL")
+{
+    _peekURL(0);
+}
+
+/* peek URL of image */
+DEFUN(peekIMG, PEEK_IMG, "Peek image URL")
+{
+    _peekURL(1);
+}
+
+/* show current URL */
+static Str
+currentURL(void)
+{
+    if (Currentbuf->bufferprop & BP_INTERNAL)
+	return Strnew_size(0);
+    return parsedURL2Str(&Currentbuf->currentURL);
+}
+
+DEFUN(curURL, PEEK, "Peek current URL")
+{
+    static Str s = NULL;
+#ifdef USE_M17N
+    static Lineprop *p = NULL;
+    Lineprop *pp;
+#endif
+    static int offset = 0, n;
+
+    if (Currentbuf->bufferprop & BP_INTERNAL)
+	return;
+    if (CurrentKey == prev_key && s != NULL) {
+	if (s->length - offset >= COLS)
+	    offset++;
+	else if (s->length <= offset)	/* bug ? */
+	    offset = 0;
+    }
+    else {
+	offset = 0;
+	s = currentURL();
+	if (DecodeURL)
+	    s = Strnew_charp(url_unquote_conv(s->ptr, 0));
+#ifdef USE_M17N
+	s = checkType(s, &pp, NULL);
+	p = NewAtom_N(Lineprop, s->length);
+	bcopy((void *)pp, (void *)p, s->length * sizeof(Lineprop));
+#endif
+    }
+    n = searchKeyNum();
+    if (n > 1 && s->length > (n - 1) * (COLS - 1))
+	offset = (n - 1) * (COLS - 1);
+#ifdef USE_M17N
+    while (offset < s->length && p[offset] & PC_WCHAR2)
+	offset++;
+#endif
+    disp_message_nomouse(&s->ptr[offset], TRUE);
+}
+/* view HTML source */
+
+DEFUN(vwSrc, SOURCE VIEW, "View HTML source")
+{
+    Buffer *buf;
+
+    if (Currentbuf->type == NULL || Currentbuf->bufferprop & BP_FRAME)
+	return;
+    if ((buf = Currentbuf->linkBuffer[LB_SOURCE]) != NULL ||
+	(buf = Currentbuf->linkBuffer[LB_N_SOURCE]) != NULL) {
+	Currentbuf = buf;
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    if (Currentbuf->sourcefile == NULL) {
+	if (Currentbuf->pagerSource &&
+	    !strcasecmp(Currentbuf->type, "text/plain")) {
+#ifdef USE_M17N
+	    wc_ces old_charset;
+	    wc_bool old_fix_width_conv;
+#endif
+	    FILE *f;
+	    Str tmpf = tmpfname(TMPF_SRC, NULL);
+	    f = fopen(tmpf->ptr, "w");
+	    if (f == NULL)
+		return;
+#ifdef USE_M17N
+	    old_charset = DisplayCharset;
+	    old_fix_width_conv = WcOption.fix_width_conv;
+	    DisplayCharset = (Currentbuf->document_charset != WC_CES_US_ASCII)
+		? Currentbuf->document_charset : 0;
+	    WcOption.fix_width_conv = WC_FALSE;
+#endif
+	    saveBufferBody(Currentbuf, f, TRUE);
+#ifdef USE_M17N
+	    DisplayCharset = old_charset;
+	    WcOption.fix_width_conv = old_fix_width_conv;
+#endif
+	    fclose(f);
+	    Currentbuf->sourcefile = tmpf->ptr;
+	}
+	else {
+	    return;
+	}
+    }
+
+    buf = newBuffer(INIT_BUFFER_WIDTH);
+
+    if (!strcasecmp(Currentbuf->type, "text/html")) {
+	buf->type = "text/plain";
+	if (Currentbuf->real_type &&
+	    !strcasecmp(Currentbuf->real_type, "text/html"))
+	    buf->real_type = "text/plain";
+	else
+	    buf->real_type = Currentbuf->real_type;
+	buf->buffername = Sprintf("source of %s", Currentbuf->buffername)->ptr;
+	buf->linkBuffer[LB_N_SOURCE] = Currentbuf;
+	Currentbuf->linkBuffer[LB_SOURCE] = buf;
+    }
+    else if (!strcasecmp(Currentbuf->type, "text/plain")) {
+	buf->type = "text/html";
+	if (Currentbuf->real_type &&
+	    !strcasecmp(Currentbuf->real_type, "text/plain"))
+	    buf->real_type = "text/html";
+	else
+	    buf->real_type = Currentbuf->real_type;
+	buf->buffername = Sprintf("HTML view of %s",
+				  Currentbuf->buffername)->ptr;
+	buf->linkBuffer[LB_SOURCE] = Currentbuf;
+	Currentbuf->linkBuffer[LB_N_SOURCE] = buf;
+    }
+    else {
+	return;
+    }
+    buf->currentURL = Currentbuf->currentURL;
+    buf->real_scheme = Currentbuf->real_scheme;
+    buf->filename = Currentbuf->filename;
+    buf->sourcefile = Currentbuf->sourcefile;
+    buf->header_source = Currentbuf->header_source;
+    buf->search_header = Currentbuf->search_header;
+#ifdef USE_M17N
+    buf->document_charset = Currentbuf->document_charset;
+#endif
+    buf->clone = Currentbuf->clone;
+    (*buf->clone)++;
+
+    buf->need_reshape = TRUE;
+    reshapeBuffer(buf);
+    pushBuffer(buf);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+/* reload */
+DEFUN(reload, RELOAD, "Reload buffer")
+{
+    Buffer *buf, *fbuf = NULL, sbuf;
+#ifdef USE_M17N
+    wc_ces old_charset;
+#endif
+    Str url;
+    FormList *request;
+    int multipart;
+
+    if (Currentbuf->bufferprop & BP_INTERNAL) {
+	if (!strcmp(Currentbuf->buffername, DOWNLOAD_LIST_TITLE)) {
+	    ldDL();
+	    return;
+	}
+	/* FIXME: gettextize? */
+	disp_err_message("Can't reload...", TRUE);
+	return;
+    }
+    if (Currentbuf->currentURL.scheme == SCM_LOCAL &&
+	!strcmp(Currentbuf->currentURL.file, "-")) {
+	/* file is std input */
+	/* FIXME: gettextize? */
+	disp_err_message("Can't reload stdin", TRUE);
+	return;
+    }
+    copyBuffer(&sbuf, Currentbuf);
+    if (Currentbuf->bufferprop & BP_FRAME &&
+	(fbuf = Currentbuf->linkBuffer[LB_N_FRAME])) {
+	if (fmInitialized) {
+	    message("Rendering frame", 0, 0);
+	    refresh();
+	}
+	if (!(buf = renderFrame(fbuf, 1))) {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+	if (fbuf->linkBuffer[LB_FRAME]) {
+	    if (buf->sourcefile &&
+		fbuf->linkBuffer[LB_FRAME]->sourcefile &&
+		!strcmp(buf->sourcefile,
+			fbuf->linkBuffer[LB_FRAME]->sourcefile))
+		fbuf->linkBuffer[LB_FRAME]->sourcefile = NULL;
+	    delBuffer(fbuf->linkBuffer[LB_FRAME]);
+	}
+	fbuf->linkBuffer[LB_FRAME] = buf;
+	buf->linkBuffer[LB_N_FRAME] = fbuf;
+	pushBuffer(buf);
+	Currentbuf = buf;
+	if (Currentbuf->firstLine)
+	    restorePosition(Currentbuf, &sbuf);
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	return;
+    }
+    else if (Currentbuf->frameset != NULL)
+	fbuf = Currentbuf->linkBuffer[LB_FRAME];
+    multipart = 0;
+    if (Currentbuf->form_submit) {
+	request = Currentbuf->form_submit->parent;
+	if (request->method == FORM_METHOD_POST
+	    && request->enctype == FORM_ENCTYPE_MULTIPART) {
+	    Str query;
+	    struct stat st;
+	    multipart = 1;
+	    query_from_followform(&query, Currentbuf->form_submit, multipart);
+	    stat(request->body, &st);
+	    request->length = st.st_size;
+	}
+    }
+    else {
+	request = NULL;
+    }
+    url = parsedURL2Str(&Currentbuf->currentURL);
+    /* FIXME: gettextize? */
+    message("Reloading...", 0, 0);
+    refresh();
+#ifdef USE_M17N
+    old_charset = DocumentCharset;
+    if (Currentbuf->document_charset != WC_CES_US_ASCII)
+	DocumentCharset = Currentbuf->document_charset;
+#endif
+    SearchHeader = Currentbuf->search_header;
+    DefaultType = Currentbuf->real_type;
+    buf = loadGeneralFile(url->ptr, NULL, NO_REFERER, RG_NOCACHE, request);
+#ifdef USE_M17N
+    DocumentCharset = old_charset;
+#endif
+    SearchHeader = FALSE;
+    DefaultType = NULL;
+
+    if (multipart)
+	unlink(request->body);
+    if (buf == NULL) {
+	/* FIXME: gettextize? */
+	disp_err_message("Can't reload...", TRUE);
+	return;
+    }
+    else if (buf == NO_BUFFER) {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    if (fbuf != NULL)
+	Firstbuf = deleteBuffer(Firstbuf, fbuf);
+    repBuffer(Currentbuf, buf);
+    if ((buf->type != NULL) && (sbuf.type != NULL) &&
+	((!strcasecmp(buf->type, "text/plain") &&
+	  !strcasecmp(sbuf.type, "text/html")) ||
+	 (!strcasecmp(buf->type, "text/html") &&
+	  !strcasecmp(sbuf.type, "text/plain")))) {
+	vwSrc();
+	if (Currentbuf != buf)
+	    Firstbuf = deleteBuffer(Firstbuf, buf);
+    }
+    Currentbuf->search_header = sbuf.search_header;
+    Currentbuf->form_submit = sbuf.form_submit;
+    if (Currentbuf->firstLine)
+	restorePosition(Currentbuf, &sbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* reshape */
+DEFUN(reshape, RESHAPE, "Re-render buffer")
+{
+    Currentbuf->need_reshape = TRUE;
+    reshapeBuffer(Currentbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+#ifdef USE_M17N
+static void
+_docCSet(wc_ces charset)
+{
+    if (Currentbuf->bufferprop & BP_INTERNAL)
+	return;
+    if (Currentbuf->sourcefile == NULL) {
+	disp_message("Can't reload...", FALSE);
+	return;
+    }
+    Currentbuf->document_charset = charset;
+    Currentbuf->need_reshape = TRUE;
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+change_charset(struct parsed_tagarg *arg)
+{
+    Buffer *buf = Currentbuf->linkBuffer[LB_N_INFO];
+    wc_ces charset;
+
+    if (buf == NULL)
+	return;
+    delBuffer(Currentbuf);
+    Currentbuf = buf;
+    if (Currentbuf->bufferprop & BP_INTERNAL)
+	return;
+    charset = Currentbuf->document_charset;
+    for (; arg; arg = arg->next) {
+	if (!strcmp(arg->arg, "charset"))
+	    charset = atoi(arg->value);
+    }
+    _docCSet(charset);
+}
+
+DEFUN(docCSet, CHARSET, "Change the current document charset")
+{
+    char *cs;
+    wc_ces charset;
+
+    cs = searchKeyData();
+    if (cs == NULL || *cs == '\0')
+	/* FIXME: gettextize? */
+	cs = inputStr("Document charset: ",
+		      wc_ces_to_charset(Currentbuf->document_charset));
+    charset = wc_guess_charset_short(cs, 0);
+    if (charset == 0) {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    _docCSet(charset);
+}
+
+DEFUN(defCSet, DEFAULT_CHARSET, "Change the default document charset")
+{
+    char *cs;
+    wc_ces charset;
+
+    cs = searchKeyData();
+    if (cs == NULL || *cs == '\0')
+	/* FIXME: gettextize? */
+	cs = inputStr("Default document charset: ",
+		      wc_ces_to_charset(DocumentCharset));
+    charset = wc_guess_charset_short(cs, 0);
+    if (charset != 0)
+	DocumentCharset = charset;
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+#endif
+
+/* mark URL-like patterns as anchors */
+void
+chkURLBuffer(Buffer *buf)
+{
+    static char *url_like_pat[] = {
+	"https?://[a-zA-Z0-9][a-zA-Z0-9:%\\-\\./?=~_\\&+@#,\\$;]*[a-zA-Z0-9_/=\\-]",
+	"file:/[a-zA-Z0-9:%\\-\\./=_\\+@#,\\$;]*",
+#ifdef USE_GOPHER
+	"gopher://[a-zA-Z0-9][a-zA-Z0-9:%\\-\\./_]*",
+#endif				/* USE_GOPHER */
+	"ftp://[a-zA-Z0-9][a-zA-Z0-9:%\\-\\./=_+@#,\\$]*[a-zA-Z0-9_/]",
+#ifdef USE_NNTP
+	"news:[^<> 	][^<> 	]*",
+	"nntp://[a-zA-Z0-9][a-zA-Z0-9:%\\-\\./_]*",
+#endif				/* USE_NNTP */
+#ifndef USE_W3MMAILER		/* see also chkExternalURIBuffer() */
+	"mailto:[^<> 	][^<> 	]*@[a-zA-Z0-9][a-zA-Z0-9\\-\\._]*[a-zA-Z0-9]",
+#endif
+#ifdef INET6
+	"https?://[a-zA-Z0-9:%\\-\\./_@]*\\[[a-fA-F0-9:][a-fA-F0-9:\\.]*\\][a-zA-Z0-9:%\\-\\./?=~_\\&+@#,\\$;]*",
+	"ftp://[a-zA-Z0-9:%\\-\\./_@]*\\[[a-fA-F0-9:][a-fA-F0-9:\\.]*\\][a-zA-Z0-9:%\\-\\./=_+@#,\\$]*",
+#endif				/* INET6 */
+	NULL
+    };
+    int i;
+    for (i = 0; url_like_pat[i]; i++) {
+	reAnchor(buf, url_like_pat[i]);
+    }
+#ifdef USE_EXTERNAL_URI_LOADER
+    chkExternalURIBuffer(buf);
+#endif
+    buf->check_url |= CHK_URL;
+}
+
+DEFUN(chkURL, MARK_URL, "Mark URL-like strings as anchors")
+{
+    chkURLBuffer(Currentbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(chkWORD, MARK_WORD, "Mark current word as anchor")
+{
+    char *p;
+    int spos, epos;
+    p = getCurWord(Currentbuf, &spos, &epos, ":\"\'`<>()[]{}&|;*?$");
+    if (p == NULL)
+	return;
+    reAnchorWord(Currentbuf, Currentbuf->currentLine, spos, epos);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+#ifdef USE_NNTP
+/* mark Message-ID-like patterns as NEWS anchors */
+void
+chkNMIDBuffer(Buffer *buf)
+{
+    static char *url_like_pat[] = {
+	"<[!-;=?-~]+@[a-zA-Z0-9\\.\\-_]+>",
+	NULL,
+    };
+    int i;
+    for (i = 0; url_like_pat[i]; i++) {
+	reAnchorNews(buf, url_like_pat[i]);
+    }
+    buf->check_url |= CHK_NMID;
+}
+
+DEFUN(chkNMID, MARK_MID, "Mark Message-ID-like strings as anchors")
+{
+    chkNMIDBuffer(Currentbuf);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+#endif				/* USE_NNTP */
+
+/* render frame */
+DEFUN(rFrame, FRAME, "Render frame")
+{
+    Buffer *buf;
+
+    if ((buf = Currentbuf->linkBuffer[LB_FRAME]) != NULL) {
+	Currentbuf = buf;
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    if (Currentbuf->frameset == NULL) {
+	if ((buf = Currentbuf->linkBuffer[LB_N_FRAME]) != NULL) {
+	    Currentbuf = buf;
+	    displayBuffer(Currentbuf, B_NORMAL);
+	}
+	return;
+    }
+    if (fmInitialized) {
+	message("Rendering frame", 0, 0);
+	refresh();
+    }
+    buf = renderFrame(Currentbuf, 0);
+    if (buf == NULL) {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    buf->linkBuffer[LB_N_FRAME] = Currentbuf;
+    Currentbuf->linkBuffer[LB_FRAME] = buf;
+    pushBuffer(buf);
+    if (fmInitialized && display_ok)
+	displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+/* spawn external browser */
+static void
+invoke_browser(char *url)
+{
+    Str cmd;
+    char *browser = NULL;
+    int bg = 0, len;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    browser = searchKeyData();
+    if (browser == NULL || *browser == '\0') {
+	switch (prec_num) {
+	case 0:
+	case 1:
+	    browser = ExtBrowser;
+	    break;
+	case 2:
+	    browser = ExtBrowser2;
+	    break;
+	case 3:
+	    browser = ExtBrowser3;
+	    break;
+	}
+	if (browser == NULL || *browser == '\0') {
+	    browser = inputStr("Browse command: ", NULL);
+	    if (browser != NULL)
+		browser = conv_to_system(browser);
+	}
+    }
+    else {
+	browser = conv_to_system(browser);
+    }
+    if (browser == NULL || *browser == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+
+    if ((len = strlen(browser)) >= 2 && browser[len - 1] == '&' &&
+	browser[len - 2] != '\\') {
+	browser = allocStr(browser, len - 2);
+	bg = 1;
+    }
+    cmd = myExtCommand(browser, shell_quote(url), FALSE);
+    Strremovetrailingspaces(cmd);
+    fmTerm();
+    mySystem(cmd->ptr, bg);
+    fmInit();
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(extbrz, EXTERN, "Execute external browser")
+{
+    if (Currentbuf->bufferprop & BP_INTERNAL) {
+	/* FIXME: gettextize? */
+	disp_err_message("Can't browse...", TRUE);
+	return;
+    }
+    if (Currentbuf->currentURL.scheme == SCM_LOCAL &&
+	!strcmp(Currentbuf->currentURL.file, "-")) {
+	/* file is std input */
+	/* FIXME: gettextize? */
+	disp_err_message("Can't browse stdin", TRUE);
+	return;
+    }
+    invoke_browser(parsedURL2Str(&Currentbuf->currentURL)->ptr);
+}
+
+DEFUN(linkbrz, EXTERN_LINK, "View current link using external browser")
+{
+    Anchor *a;
+    ParsedURL pu;
+
+    if (Currentbuf->firstLine == NULL)
+	return;
+    a = retrieveCurrentAnchor(Currentbuf);
+    if (a == NULL)
+	return;
+    parseURL2(a->url, &pu, baseURL(Currentbuf));
+    invoke_browser(parsedURL2Str(&pu)->ptr);
+}
+
+/* show current line number and number of lines in the entire document */
+DEFUN(curlno, LINE_INFO, "Show current line number")
+{
+    Line *l = Currentbuf->currentLine;
+    Str tmp;
+    int cur = 0, all = 0, col = 0, len = 0;
+
+    if (l != NULL) {
+	cur = l->real_linenumber;
+	col = l->bwidth + Currentbuf->currentColumn + Currentbuf->cursorX + 1;
+	while (l->next && l->next->bpos)
+	    l = l->next;
+	if (l->width < 0)
+	    l->width = COLPOS(l, l->len);
+	len = l->bwidth + l->width;
+    }
+    if (Currentbuf->lastLine)
+	all = Currentbuf->lastLine->real_linenumber;
+    if (Currentbuf->pagerSource && !(Currentbuf->bufferprop & BP_CLOSE))
+	tmp = Sprintf("line %d col %d/%d", cur, col, len);
+    else
+	tmp = Sprintf("line %d/%d (%d%%) col %d/%d", cur, all,
+		      (int)((double)cur * 100.0 / (double)(all ? all : 1)
+			    + 0.5), col, len);
+#ifdef USE_M17N
+    Strcat_charp(tmp, "  ");
+    Strcat_charp(tmp, wc_ces_to_charset_desc(Currentbuf->document_charset));
+#endif
+
+    disp_message(tmp->ptr, FALSE);
+}
+
+#ifdef USE_IMAGE
+DEFUN(dispI, DISPLAY_IMAGE, "Restart loading and drawing of images")
+{
+    if (!displayImage)
+	initImage();
+    if (!activeImage)
+	return;
+    displayImage = TRUE;
+    /*
+     * if (!(Currentbuf->type && !strcmp(Currentbuf->type, "text/html")))
+     * return;
+     */
+    Currentbuf->image_flag = IMG_FLAG_AUTO;
+    Currentbuf->need_reshape = TRUE;
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+
+DEFUN(stopI, STOP_IMAGE, "Stop loading and drawing of images")
+{
+    if (!activeImage)
+	return;
+    /*
+     * if (!(Currentbuf->type && !strcmp(Currentbuf->type, "text/html")))
+     * return;
+     */
+    Currentbuf->image_flag = IMG_FLAG_SKIP;
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+#endif
+
+#ifdef USE_MOUSE
+
+static int
+mouse_scroll_line(void)
+{
+    if (relative_wheel_scroll)
+	return (relative_wheel_scroll_ratio * LASTLINE + 99) / 100;
+    else
+	return fixed_wheel_scroll_count;
+}
+
+static TabBuffer *
+posTab(int x, int y)
+{
+    TabBuffer *tab;
+
+    if (mouse_action.menu_str && x < mouse_action.menu_width && y == 0)
+	return NO_TABBUFFER;
+    if (y > LastTab->y)
+	return NULL;
+    for (tab = FirstTab; tab; tab = tab->nextTab) {
+	if (tab->x1 <= x && x <= tab->x2 && tab->y == y)
+	    return tab;
+    }
+    return NULL;
+}
+
+static void
+do_mouse_action(int btn, int x, int y)
+{
+    MouseActionMap *map = NULL;
+    int ny = -1;
+
+    if (nTab > 1 || mouse_action.menu_str)
+	ny = LastTab->y + 1;
+
+    switch (btn) {
+    case MOUSE_BTN1_DOWN:
+	btn = 0;
+	break;
+    case MOUSE_BTN2_DOWN:
+	btn = 1;
+	break;
+    case MOUSE_BTN3_DOWN:
+	btn = 2;
+	break;
+    default:
+	return;
+    }
+    if (y < ny) {
+	if (mouse_action.menu_str && x >= 0 && x < mouse_action.menu_width) {
+	    if (mouse_action.menu_map[btn])
+		map = &mouse_action.menu_map[btn][x];
+	}
+	else
+	    map = &mouse_action.tab_map[btn];
+    }
+    else if (y == LASTLINE) {
+	if (mouse_action.lastline_str && x >= 0 &&
+	    x < mouse_action.lastline_width) {
+	    if (mouse_action.lastline_map[btn])
+		map = &mouse_action.lastline_map[btn][x];
+	}
+    }
+    else if (y > ny) {
+	if (y == Currentbuf->cursorY + Currentbuf->rootY &&
+	    (x == Currentbuf->cursorX + Currentbuf->rootX
+#ifdef USE_M17N
+	     || (WcOption.use_wide && Currentbuf->currentLine != NULL &&
+		 (CharType(Currentbuf->currentLine->propBuf[Currentbuf->pos])
+		  == PC_KANJI1)
+		 && x == Currentbuf->cursorX + Currentbuf->rootX + 1)
+#endif
+	    )) {
+	    if (retrieveCurrentAnchor(Currentbuf) ||
+		retrieveCurrentForm(Currentbuf)) {
+		map = &mouse_action.active_map[btn];
+		if (!(map && map->func))
+		    map = &mouse_action.anchor_map[btn];
+	    }
+	}
+	else {
+	    int cx = Currentbuf->cursorX, cy = Currentbuf->cursorY;
+	    cursorXY(Currentbuf, x - Currentbuf->rootX, y - Currentbuf->rootY);
+	    if (y == Currentbuf->cursorY + Currentbuf->rootY &&
+		(x == Currentbuf->cursorX + Currentbuf->rootX
+#ifdef USE_M17N
+		 || (WcOption.use_wide && Currentbuf->currentLine != NULL &&
+		     (CharType(Currentbuf->currentLine->
+			       propBuf[Currentbuf->pos]) == PC_KANJI1)
+		     && x == Currentbuf->cursorX + Currentbuf->rootX + 1)
+#endif
+		) &&
+		(retrieveCurrentAnchor(Currentbuf) ||
+		 retrieveCurrentForm(Currentbuf)))
+		map = &mouse_action.anchor_map[btn];
+	    cursorXY(Currentbuf, cx, cy);
+	}
+    }
+    if (!(map && map->func))
+	map = &mouse_action.default_map[btn];
+    if (map && map->func) {
+	mouse_action.in_action = TRUE;
+	mouse_action.cursorX = x;
+	mouse_action.cursorY = y;
+	CurrentKey = -1;
+	CurrentKeyData = NULL;
+	CurrentCmdData = map->data;
+	(*map->func) ();
+	CurrentCmdData = NULL;
+    }
+}
+
+static void
+process_mouse(int btn, int x, int y)
+{
+    int delta_x, delta_y, i;
+    static int press_btn = MOUSE_BTN_RESET, press_x, press_y;
+    TabBuffer *t;
+    int ny = -1;
+
+    if (nTab > 1 || mouse_action.menu_str)
+	ny = LastTab->y + 1;
+    if (btn == MOUSE_BTN_UP) {
+	switch (press_btn) {
+	case MOUSE_BTN1_DOWN:
+	    if (press_y == y && press_x == x)
+		do_mouse_action(press_btn, x, y);
+	    else if (ny > 0 && y < ny) {
+		if (press_y < ny) {
+		    moveTab(posTab(press_x, press_y), posTab(x, y),
+			    (press_y == y) ? (press_x < x) : (press_y < y));
+		    return;
+		}
+		else if (press_x >= Currentbuf->rootX) {
+		    Buffer *buf = Currentbuf;
+		    int cx = Currentbuf->cursorX, cy = Currentbuf->cursorY;
+
+		    t = posTab(x, y);
+		    if (t == NULL)
+			return;
+		    if (t == NO_TABBUFFER)
+			t = NULL;	/* open new tab */
+		    cursorXY(Currentbuf, press_x - Currentbuf->rootX,
+			     press_y - Currentbuf->rootY);
+		    if (Currentbuf->cursorY == press_y - Currentbuf->rootY &&
+			(Currentbuf->cursorX == press_x - Currentbuf->rootX
+#ifdef USE_M17N
+			 || (WcOption.use_wide &&
+			     Currentbuf->currentLine != NULL &&
+			     (CharType(Currentbuf->currentLine->
+				       propBuf[Currentbuf->pos]) == PC_KANJI1)
+			     && Currentbuf->cursorX == press_x
+			     - Currentbuf->rootX - 1)
+#endif
+			)) {
+			displayBuffer(Currentbuf, B_NORMAL);
+			followTab(t);
+		    }
+		    if (buf == Currentbuf)
+			cursorXY(Currentbuf, cx, cy);
+		}
+		return;
+	    }
+	    else {
+		delta_x = x - press_x;
+		delta_y = y - press_y;
+
+		if (abs(delta_x) < abs(delta_y) / 3)
+		    delta_x = 0;
+		if (abs(delta_y) < abs(delta_x) / 3)
+		    delta_y = 0;
+		if (reverse_mouse) {
+		    delta_y = -delta_y;
+		    delta_x = -delta_x;
+		}
+		if (delta_y > 0) {
+		    prec_num = delta_y;
+		    ldown1();
+		}
+		else if (delta_y < 0) {
+		    prec_num = -delta_y;
+		    lup1();
+		}
+		if (delta_x > 0) {
+		    prec_num = delta_x;
+		    col1L();
+		}
+		else if (delta_x < 0) {
+		    prec_num = -delta_x;
+		    col1R();
+		}
+	    }
+	    break;
+	case MOUSE_BTN2_DOWN:
+	case MOUSE_BTN3_DOWN:
+	    if (press_y == y && press_x == x)
+		do_mouse_action(press_btn, x, y);
+	    break;
+	case MOUSE_BTN4_DOWN_RXVT:
+	    for (i = 0; i < mouse_scroll_line(); i++)
+		ldown1();
+	    break;
+	case MOUSE_BTN5_DOWN_RXVT:
+	    for (i = 0; i < mouse_scroll_line(); i++)
+		lup1();
+	    break;
+	}
+    }
+    else if (btn == MOUSE_BTN4_DOWN_XTERM) {
+	for (i = 0; i < mouse_scroll_line(); i++)
+	    ldown1();
+    }
+    else if (btn == MOUSE_BTN5_DOWN_XTERM) {
+	for (i = 0; i < mouse_scroll_line(); i++)
+	    lup1();
+    }
+
+    if (btn != MOUSE_BTN4_DOWN_RXVT || press_btn == MOUSE_BTN_RESET) {
+	press_btn = btn;
+	press_x = x;
+	press_y = y;
+    }
+    else {
+	press_btn = MOUSE_BTN_RESET;
+    }
+}
+
+DEFUN(msToggle, MOUSE_TOGGLE, "Toggle activity of mouse")
+{
+    if (use_mouse) {
+	use_mouse = FALSE;
+    }
+    else {
+	use_mouse = TRUE;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(mouse, MOUSE, "mouse operation")
+{
+    int btn, x, y;
+
+    btn = (unsigned char)getch() - 32;
+#if defined(__CYGWIN__)
+    if (cygwin_mouse_btn_swapped) {
+	if (btn == MOUSE_BTN2_DOWN)
+	    btn = MOUSE_BTN3_DOWN;
+	else if (btn == MOUSE_BTN3_DOWN)
+	    btn = MOUSE_BTN2_DOWN;
+    }
+#endif
+    x = (unsigned char)getch() - 33;
+    if (x < 0)
+	x += 0x100;
+    y = (unsigned char)getch() - 33;
+    if (y < 0)
+	y += 0x100;
+
+    if (x < 0 || x >= COLS || y < 0 || y > LASTLINE)
+	return;
+    process_mouse(btn, x, y);
+}
+
+#ifdef USE_GPM
+int
+gpm_process_mouse(Gpm_Event * event, void *data)
+{
+    int btn = MOUSE_BTN_RESET, x, y;
+    if (event->type & GPM_UP)
+	btn = MOUSE_BTN_UP;
+    else if (event->type & GPM_DOWN) {
+	switch (event->buttons) {
+	case GPM_B_LEFT:
+	    btn = MOUSE_BTN1_DOWN;
+	    break;
+	case GPM_B_MIDDLE:
+	    btn = MOUSE_BTN2_DOWN;
+	    break;
+	case GPM_B_RIGHT:
+	    btn = MOUSE_BTN3_DOWN;
+	    break;
+	}
+    }
+    else {
+	GPM_DRAWPOINTER(event);
+	return 0;
+    }
+    x = event->x;
+    y = event->y;
+    process_mouse(btn, x - 1, y - 1);
+    return 0;
+}
+#endif				/* USE_GPM */
+
+#ifdef USE_SYSMOUSE
+int
+sysm_process_mouse(int x, int y, int nbs, int obs)
+{
+    int btn;
+    int bits;
+
+    if (obs & ~nbs)
+	btn = MOUSE_BTN_UP;
+    else if (nbs & ~obs) {
+	bits = nbs & ~obs;
+	btn = bits & 0x1 ? MOUSE_BTN1_DOWN :
+	    (bits & 0x2 ? MOUSE_BTN2_DOWN :
+	     (bits & 0x4 ? MOUSE_BTN3_DOWN : 0));
+    }
+    else			/* nbs == obs */
+	return 0;
+    process_mouse(btn, x, y);
+    return 0;
+}
+#endif				/* USE_SYSMOUSE */
+
+DEFUN(movMs, MOVE_MOUSE, "Move cursor to mouse cursor (for mouse action)")
+{
+    if (!mouse_action.in_action)
+	return;
+    if ((nTab > 1 || mouse_action.menu_str) &&
+	mouse_action.cursorY < LastTab->y + 1)
+	return;
+    else if (mouse_action.cursorX >= Currentbuf->rootX &&
+	     mouse_action.cursorY < LASTLINE) {
+	cursorXY(Currentbuf, mouse_action.cursorX - Currentbuf->rootX,
+		 mouse_action.cursorY - Currentbuf->rootY);
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+#ifdef USE_MENU
+#ifdef KANJI_SYMBOLS
+#define FRAME_WIDTH 2
+#else
+#define FRAME_WIDTH 1
+#endif
+
+DEFUN(menuMs, MENU_MOUSE, "Popup menu at mouse cursor (for mouse action)")
+{
+    if (!mouse_action.in_action)
+	return;
+    if ((nTab > 1 || mouse_action.menu_str) &&
+	mouse_action.cursorY < LastTab->y + 1)
+	mouse_action.cursorX -= FRAME_WIDTH + 1;
+    else if (mouse_action.cursorX >= Currentbuf->rootX &&
+	     mouse_action.cursorY < LASTLINE) {
+	cursorXY(Currentbuf, mouse_action.cursorX - Currentbuf->rootX,
+		 mouse_action.cursorY - Currentbuf->rootY);
+	displayBuffer(Currentbuf, B_NORMAL);
+    }
+    mainMn();
+}
+#endif
+
+DEFUN(tabMs, TAB_MOUSE, "Move to tab on mouse cursor (for mouse action)")
+{
+    TabBuffer *tab;
+
+    if (!mouse_action.in_action)
+	return;
+    tab = posTab(mouse_action.cursorX, mouse_action.cursorY);
+    if (!tab || tab == NO_TABBUFFER)
+	return;
+    CurrentTab = tab;
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(closeTMs, CLOSE_TAB_MOUSE,
+      "Close tab on mouse cursor (for mouse action)")
+{
+    TabBuffer *tab;
+
+    if (!mouse_action.in_action)
+	return;
+    tab = posTab(mouse_action.cursorX, mouse_action.cursorY);
+    if (!tab || tab == NO_TABBUFFER)
+	return;
+    deleteTab(tab);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+#endif				/* USE_MOUSE */
+
+DEFUN(dispVer, VERSION, "Display version of w3m")
+{
+    disp_message(Sprintf("w3m version %s", w3m_version)->ptr, TRUE);
+}
+
+DEFUN(wrapToggle, WRAP_TOGGLE, "Toggle wrap search mode")
+{
+    if (WrapSearch) {
+	WrapSearch = FALSE;
+	/* FIXME: gettextize? */
+	disp_message("Wrap search off", TRUE);
+    }
+    else {
+	WrapSearch = TRUE;
+	/* FIXME: gettextize? */
+	disp_message("Wrap search on", TRUE);
+    }
+}
+
+static int
+is_wordchar(int c, const char *badchars)
+{
+    if (badchars)
+	return !(IS_SPACE(c) || strchr(badchars, c));
+    else
+	return IS_ALPHA(c);
+}
+
+static char *
+getCurWord(Buffer *buf, int *spos, int *epos, const char *badchars)
+{
+    char *p;
+    Line *l = buf->currentLine;
+    int b, e;
+
+    *spos = 0;
+    *epos = 0;
+    if (l == NULL)
+	return NULL;
+    p = l->lineBuf;
+    e = buf->pos;
+    while (e > 0 && !is_wordchar(p[e], badchars))
+	e--;
+    if (!is_wordchar(p[e], badchars))
+	return NULL;
+    b = e;
+    while (b > 0 && is_wordchar(p[b - 1], badchars))
+	b--;
+    while (e < l->len && is_wordchar(p[e], badchars))
+	e++;
+    *spos = b;
+    *epos = e;
+    return &p[b];
+}
+
+static char *
+GetWord(Buffer *buf)
+{
+    int b, e;
+    char *p;
+
+    if ((p = getCurWord(buf, &b, &e, 0)) != NULL) {
+	return Strnew_charp_n(p, e - b)->ptr;
+    }
+    return NULL;
+}
+
+#ifdef USE_DICT
+static void
+execdict(char *word)
+{
+    char *w, *dictcmd;
+    Buffer *buf;
+
+    if (!UseDictCommand || word == NULL || *word == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    w = conv_to_system(word);
+    if (*w == '\0') {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    dictcmd = Sprintf("%s?%s", DictCommand,
+		      Str_form_quote(Strnew_charp(w))->ptr)->ptr;
+    buf = loadGeneralFile(dictcmd, NULL, NO_REFERER, 0, NULL);
+    if (buf == NULL) {
+	disp_message("Execution failed", TRUE);
+	return;
+    }
+    else {
+	buf->filename = w;
+	buf->buffername = Sprintf("%s %s", DICTBUFFERNAME, word)->ptr;
+	if (buf->type == NULL)
+	    buf->type = "text/plain";
+	pushBuffer(buf);
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(dictword, DICT_WORD, "Execute dictionary command (see README.dict)")
+{
+    execdict(inputStr("(dictionary)!", ""));
+}
+
+DEFUN(dictwordat, DICT_WORD_AT,
+      "Execute dictionary command for word at cursor")
+{
+    execdict(GetWord(Currentbuf));
+}
+#endif				/* USE_DICT */
+
+void
+set_buffer_environ(Buffer *buf)
+{
+    static Buffer *prev_buf = NULL;
+    static Line *prev_line = NULL;
+    static int prev_pos = -1;
+    Line *l;
+
+    if (buf == NULL)
+	return;
+    if (buf != prev_buf) {
+	set_environ("W3M_SOURCEFILE", buf->sourcefile);
+	set_environ("W3M_FILENAME", buf->filename);
+	set_environ("W3M_TITLE", buf->buffername);
+	set_environ("W3M_URL", parsedURL2Str(&buf->currentURL)->ptr);
+	set_environ("W3M_TYPE", buf->real_type ? buf->real_type : "unknown");
+#ifdef USE_M17N
+	set_environ("W3M_CHARSET", wc_ces_to_charset(buf->document_charset));
+#endif
+    }
+    l = buf->currentLine;
+    if (l && (buf != prev_buf || l != prev_line || buf->pos != prev_pos)) {
+	Anchor *a;
+	ParsedURL pu;
+	char *s = GetWord(buf);
+	set_environ("W3M_CURRENT_WORD", s ? s : "");
+	a = retrieveCurrentAnchor(buf);
+	if (a) {
+	    parseURL2(a->url, &pu, baseURL(buf));
+	    set_environ("W3M_CURRENT_LINK", parsedURL2Str(&pu)->ptr);
+	}
+	else
+	    set_environ("W3M_CURRENT_LINK", "");
+	a = retrieveCurrentImg(buf);
+	if (a) {
+	    parseURL2(a->url, &pu, baseURL(buf));
+	    set_environ("W3M_CURRENT_IMG", parsedURL2Str(&pu)->ptr);
+	}
+	else
+	    set_environ("W3M_CURRENT_IMG", "");
+	a = retrieveCurrentForm(buf);
+	if (a)
+	    set_environ("W3M_CURRENT_FORM", form2str((FormItemList *)a->url));
+	else
+	    set_environ("W3M_CURRENT_FORM", "");
+	set_environ("W3M_CURRENT_LINE", Sprintf("%d",
+						l->real_linenumber)->ptr);
+	set_environ("W3M_CURRENT_COLUMN", Sprintf("%d",
+						  buf->currentColumn +
+						  buf->cursorX + 1)->ptr);
+    }
+    else if (!l) {
+	set_environ("W3M_CURRENT_WORD", "");
+	set_environ("W3M_CURRENT_LINK", "");
+	set_environ("W3M_CURRENT_IMG", "");
+	set_environ("W3M_CURRENT_FORM", "");
+	set_environ("W3M_CURRENT_LINE", "0");
+	set_environ("W3M_CURRENT_COLUMN", "0");
+    }
+    prev_buf = buf;
+    prev_line = l;
+    prev_pos = buf->pos;
+}
+
+char *
+searchKeyData(void)
+{
+    char *data = NULL;
+
+    if (CurrentKeyData != NULL && *CurrentKeyData != '\0')
+	data = CurrentKeyData;
+    else if (CurrentCmdData != NULL && *CurrentCmdData != '\0')
+	data = CurrentCmdData;
+    else if (CurrentKey >= 0)
+	data = getKeyData(CurrentKey);
+    CurrentKeyData = NULL;
+    CurrentCmdData = NULL;
+    if (data == NULL || *data == '\0')
+	return NULL;
+    return allocStr(data, -1);
+}
+
+static int
+searchKeyNum(void)
+{
+    char *d;
+    int n = 1;
+
+    d = searchKeyData();
+    if (d != NULL)
+	n = atoi(d);
+    return n * PREC_NUM;
+}
+
+#ifdef __EMX__
+#ifdef USE_M17N
+static char *
+getCodePage(void)
+{
+    ULONG CpList[8], CpSize;
+
+    if (!getenv("WINDOWID") && !DosQueryCp(sizeof(CpList), CpList, &CpSize))
+	return Sprintf("CP%d", *CpList)->ptr;
+    return NULL;
+}
+#endif
+#endif
+
+void
+deleteFiles()
+{
+    Buffer *buf;
+    char *f;
+
+    for (CurrentTab = FirstTab; CurrentTab; CurrentTab = CurrentTab->nextTab) {
+	while (Firstbuf && Firstbuf != NO_BUFFER) {
+	    buf = Firstbuf->nextBuffer;
+	    discardBuffer(Firstbuf);
+	    Firstbuf = buf;
+	}
+    }
+    while ((f = popText(fileToDelete)) != NULL)
+	unlink(f);
+}
+
+void
+w3m_exit(int i)
+{
+#ifdef USE_MIGEMO
+    init_migemo();		/* close pipe to migemo */
+#endif
+    stopDownload();
+    deleteFiles();
+#ifdef USE_SSL
+    free_ssl_ctx();
+#endif
+    disconnectFTP();
+#ifdef USE_NNTP
+    disconnectNews();
+#endif
+    exit(i);
+}
+
+DEFUN(execCmd, COMMAND, "Execute w3m command(s)")
+{
+    char *data, *p;
+    int cmd;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    data = searchKeyData();
+    if (data == NULL || *data == '\0') {
+	data = inputStrHist("command [; ...]: ", "", TextHist);
+	if (data == NULL) {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    /* data: FUNC [DATA] [; FUNC [DATA] ...] */
+    while (*data) {
+	SKIP_BLANKS(data);
+	if (*data == ';') {
+	    data++;
+	    continue;
+	}
+	p = getWord(&data);
+	cmd = getFuncList(p);
+	if (cmd < 0)
+	    break;
+	p = getQWord(&data);
+	CurrentKey = -1;
+	CurrentKeyData = NULL;
+	CurrentCmdData = *p ? p : NULL;
+#ifdef USE_MOUSE
+	if (use_mouse)
+	    mouse_inactive();
+#endif
+	w3mFuncList[cmd].func();
+#ifdef USE_MOUSE
+	if (use_mouse)
+	    mouse_active();
+#endif
+	CurrentCmdData = NULL;
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+#ifdef USE_ALARM
+static MySignalHandler
+SigAlarm(SIGNAL_ARG)
+{
+    char *data;
+
+    if (CurrentAlarm->sec > 0) {
+	CurrentKey = -1;
+	CurrentKeyData = NULL;
+	CurrentCmdData = data = (char *)CurrentAlarm->data;
+#ifdef USE_MOUSE
+	if (use_mouse)
+	    mouse_inactive();
+#endif
+	w3mFuncList[CurrentAlarm->cmd].func();
+#ifdef USE_MOUSE
+	if (use_mouse)
+	    mouse_active();
+#endif
+	CurrentCmdData = NULL;
+	if (CurrentAlarm->status == AL_IMPLICIT_ONCE) {
+	    CurrentAlarm->sec = 0;
+	    CurrentAlarm->status = AL_UNSET;
+	}
+	if (Currentbuf->event) {
+	    if (Currentbuf->event->status != AL_UNSET)
+		CurrentAlarm = Currentbuf->event;
+	    else
+		Currentbuf->event = NULL;
+	}
+	if (!Currentbuf->event)
+	    CurrentAlarm = &DefaultAlarm;
+	if (CurrentAlarm->sec > 0) {
+	    mySignal(SIGALRM, SigAlarm);
+	    alarm(CurrentAlarm->sec);
+	}
+    }
+    SIGNAL_RETURN;
+}
+
+
+DEFUN(setAlarm, ALARM, "Set alarm")
+{
+    char *data;
+    int sec = 0, cmd = -1;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    data = searchKeyData();
+    if (data == NULL || *data == '\0') {
+	data = inputStrHist("(Alarm)sec command: ", "", TextHist);
+	if (data == NULL) {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    if (*data != '\0') {
+	sec = atoi(getWord(&data));
+	if (sec > 0)
+	    cmd = getFuncList(getWord(&data));
+    }
+    if (cmd >= 0) {
+	data = getQWord(&data);
+	setAlarmEvent(&DefaultAlarm, sec, AL_EXPLICIT, cmd, data);
+	disp_message_nsec(Sprintf("%dsec %s %s", sec, w3mFuncList[cmd].id,
+				  data)->ptr, FALSE, 1, FALSE, TRUE);
+    }
+    else {
+	setAlarmEvent(&DefaultAlarm, 0, AL_UNSET, FUNCNAME_nulcmd, NULL);
+    }
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+AlarmEvent *
+setAlarmEvent(AlarmEvent * event, int sec, short status, int cmd, void *data)
+{
+    if (event == NULL)
+	event = New(AlarmEvent);
+    event->sec = sec;
+    event->status = status;
+    event->cmd = cmd;
+    event->data = data;
+    return event;
+}
+#endif
+
+DEFUN(reinit, REINIT, "Reload configuration files")
+{
+    char *resource = searchKeyData();
+
+    if (resource == NULL) {
+	init_rc();
+	sync_with_option();
+#ifdef USE_COOKIE
+	initCookie();
+#endif
+	displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+	return;
+    }
+
+    if (!strcasecmp(resource, "CONFIG") || !strcasecmp(resource, "RC")) {
+	init_rc();
+	sync_with_option();
+	displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+	return;
+    }
+
+#ifdef USE_COOKIE
+    if (!strcasecmp(resource, "COOKIE")) {
+	initCookie();
+	return;
+    }
+#endif
+
+    if (!strcasecmp(resource, "KEYMAP")) {
+	initKeymap(TRUE);
+	return;
+    }
+
+    if (!strcasecmp(resource, "MAILCAP")) {
+	initMailcap();
+	return;
+    }
+
+#ifdef USE_MOUSE
+    if (!strcasecmp(resource, "MOUSE")) {
+	initMouseAction();
+	displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+	return;
+    }
+#endif
+
+#ifdef USE_MENU
+    if (!strcasecmp(resource, "MENU")) {
+	initMenu();
+	return;
+    }
+#endif
+
+    if (!strcasecmp(resource, "MIMETYPES")) {
+	initMimeTypes();
+	return;
+    }
+
+#ifdef USE_EXTERNAL_URI_LOADER
+    if (!strcasecmp(resource, "URIMETHODS")) {
+	initURIMethods();
+	return;
+    }
+#endif
+
+    disp_err_message(Sprintf("Don't know how to reinitialize '%s'", resource)->
+		     ptr, FALSE);
+}
+
+DEFUN(defKey, DEFINE_KEY,
+      "Define a binding between a key stroke and a user command")
+{
+    char *data;
+
+    CurrentKeyData = NULL;	/* not allowed in w3m-control: */
+    data = searchKeyData();
+    if (data == NULL || *data == '\0') {
+	data = inputStrHist("Key definition: ", "", TextHist);
+	if (data == NULL || *data == '\0') {
+	    displayBuffer(Currentbuf, B_NORMAL);
+	    return;
+	}
+    }
+    setKeymap(allocStr(data, -1), -1, TRUE);
+    displayBuffer(Currentbuf, B_NORMAL);
+}
+
+TabBuffer *
+newTab(void)
+{
+    TabBuffer *n;
+
+    n = New(TabBuffer);
+    if (n == NULL)
+	return NULL;
+    n->nextTab = NULL;
+    n->currentBuffer = NULL;
+    n->firstBuffer = NULL;
+    return n;
+}
+
+static void
+_newT(void)
+{
+    TabBuffer *tag;
+    Buffer *buf;
+    int i;
+
+    tag = newTab();
+    if (!tag)
+	return;
+
+    buf = newBuffer(Currentbuf->width);
+    copyBuffer(buf, Currentbuf);
+    buf->nextBuffer = NULL;
+    for (i = 0; i < MAX_LB; i++)
+	buf->linkBuffer[i] = NULL;
+    (*buf->clone)++;
+    tag->firstBuffer = tag->currentBuffer = buf;
+
+    tag->nextTab = CurrentTab->nextTab;
+    tag->prevTab = CurrentTab;
+    if (CurrentTab->nextTab)
+	CurrentTab->nextTab->prevTab = tag;
+    else
+	LastTab = tag;
+    CurrentTab->nextTab = tag;
+    CurrentTab = tag;
+    nTab++;
+}
+
+DEFUN(newT, NEW_TAB, "Open new tab")
+{
+    _newT();
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+
+static TabBuffer *
+numTab(int n)
+{
+    TabBuffer *tab;
+    int i;
+
+    if (n == 0)
+	return CurrentTab;
+    if (n == 1)
+	return FirstTab;
+    if (nTab <= 1)
+	return NULL;
+    for (tab = FirstTab, i = 1; tab && i < n; tab = tab->nextTab, i++) ;
+    return tab;
+}
+
+void
+calcTabPos(void)
+{
+    TabBuffer *tab;
+#if 0
+    int lcol = 0, rcol = 2, col;
+#else
+    int lcol = 0, rcol = 0, col;
+#endif
+    int n1, n2, na, nx, ny, ix, iy;
+
+#ifdef USE_MOUSE
+    lcol = mouse_action.menu_str ? mouse_action.menu_width : 0;
+#endif
+
+    if (nTab <= 0)
+	return;
+    n1 = (COLS - rcol - lcol) / TabCols;
+    if (n1 >= nTab) {
+	n2 = 1;
+	ny = 1;
+    }
+    else {
+	if (n1 < 0)
+	    n1 = 0;
+	n2 = COLS / TabCols;
+	if (n2 == 0)
+	    n2 = 1;
+	ny = (nTab - n1 - 1) / n2 + 2;
+    }
+    na = n1 + n2 * (ny - 1);
+    n1 -= (na - nTab) / ny;
+    if (n1 < 0)
+	n1 = 0;
+    na = n1 + n2 * (ny - 1);
+    tab = FirstTab;
+    for (iy = 0; iy < ny && tab; iy++) {
+	if (iy == 0) {
+	    nx = n1;
+	    col = COLS - rcol - lcol;
+	}
+	else {
+	    nx = n2 - (na - nTab + (iy - 1)) / (ny - 1);
+	    col = COLS;
+	}
+	for (ix = 0; ix < nx && tab; ix++, tab = tab->nextTab) {
+	    tab->x1 = col * ix / nx;
+	    tab->x2 = col * (ix + 1) / nx - 1;
+	    tab->y = iy;
+	    if (iy == 0) {
+		tab->x1 += lcol;
+		tab->x2 += lcol;
+	    }
+	}
+    }
+}
+
+TabBuffer *
+deleteTab(TabBuffer * tab)
+{
+    Buffer *buf, *next;
+
+    if (nTab <= 1)
+	return FirstTab;
+    if (tab->prevTab) {
+	if (tab->nextTab)
+	    tab->nextTab->prevTab = tab->prevTab;
+	else
+	    LastTab = tab->prevTab;
+	tab->prevTab->nextTab = tab->nextTab;
+	if (tab == CurrentTab)
+	    CurrentTab = tab->prevTab;
+    }
+    else {			/* tab == FirstTab */
+	tab->nextTab->prevTab = NULL;
+	FirstTab = tab->nextTab;
+	if (tab == CurrentTab)
+	    CurrentTab = tab->nextTab;
+    }
+    nTab--;
+    buf = tab->firstBuffer;
+    while (buf && buf != NO_BUFFER) {
+	next = buf->nextBuffer;
+	discardBuffer(buf);
+	buf = next;
+    }
+    return FirstTab;
+}
+
+DEFUN(closeT, CLOSE_TAB, "Close current tab")
+{
+    TabBuffer *tab;
+
+    if (nTab <= 1)
+	return;
+    if (prec_num)
+	tab = numTab(PREC_NUM);
+    else
+	tab = CurrentTab;
+    if (tab)
+	deleteTab(tab);
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+
+DEFUN(nextT, NEXT_TAB, "Move to next tab")
+{
+    int i;
+
+    if (nTab <= 1)
+	return;
+    for (i = 0; i < PREC_NUM; i++) {
+	if (CurrentTab->nextTab)
+	    CurrentTab = CurrentTab->nextTab;
+	else
+	    CurrentTab = FirstTab;
+    }
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+
+DEFUN(prevT, PREV_TAB, "Move to previous tab")
+{
+    int i;
+
+    if (nTab <= 1)
+	return;
+    for (i = 0; i < PREC_NUM; i++) {
+	if (CurrentTab->prevTab)
+	    CurrentTab = CurrentTab->prevTab;
+	else
+	    CurrentTab = LastTab;
+    }
+    displayBuffer(Currentbuf, B_REDRAW_IMAGE);
+}
+
+void
+followTab(TabBuffer * tab)
+{
+    Buffer *buf;
+    Anchor *a;
+
+#ifdef USE_IMAGE
+    a = retrieveCurrentImg(Currentbuf);
+    if (!(a && a->image && a->image->map))
+#endif
+	a = retrieveCurrentAnchor(Currentbuf);
+    if (a == NULL)
+	return;
+
+    if (tab == CurrentTab) {
+	check_target = FALSE;
+	followA();
+	check_target = TRUE;
+	return;
+    }
+    _newT();
+    buf = Currentbuf;
+    check_target = FALSE;
+    followA();
+    check_target = TRUE;
+    if (tab == NULL) {
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+    }
+    else if (buf != Currentbuf) {
+	/* buf <- p <- ... <- Currentbuf = c */
+	Buffer *c, *p;
+
+	c = Currentbuf;
+	p = prevBuffer(c, buf);
+	p->nextBuffer = NULL;
+	Firstbuf = buf;
+	deleteTab(CurrentTab);
+	CurrentTab = tab;
+	for (buf = p; buf; buf = p) {
+	    p = prevBuffer(c, buf);
+	    pushBuffer(buf);
+	}
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(tabA, TAB_LINK, "Open current link on new tab")
+{
+    followTab(prec_num ? numTab(PREC_NUM) : NULL);
+}
+
+static void
+tabURL0(TabBuffer * tab, char *prompt, int relative)
+{
+    Buffer *buf;
+
+    if (tab == CurrentTab) {
+	goURL0(prompt, relative);
+	return;
+    }
+    _newT();
+    buf = Currentbuf;
+    goURL0(prompt, relative);
+    if (tab == NULL) {
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+    }
+    else if (buf != Currentbuf) {
+	/* buf <- p <- ... <- Currentbuf = c */
+	Buffer *c, *p;
+
+	c = Currentbuf;
+	p = prevBuffer(c, buf);
+	p->nextBuffer = NULL;
+	Firstbuf = buf;
+	deleteTab(CurrentTab);
+	CurrentTab = tab;
+	for (buf = p; buf; buf = p) {
+	    p = prevBuffer(c, buf);
+	    pushBuffer(buf);
+	}
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(tabURL, TAB_GOTO, "Open URL on new tab")
+{
+    tabURL0(prec_num ? numTab(PREC_NUM) : NULL,
+	    "Goto URL on new tab: ", FALSE);
+}
+
+DEFUN(tabrURL, TAB_GOTO_RELATIVE, "Open relative URL on new tab")
+{
+    tabURL0(prec_num ? numTab(PREC_NUM) : NULL,
+	    "Goto relative URL on new tab: ", TRUE);
+}
+
+void
+moveTab(TabBuffer * t, TabBuffer * t2, int right)
+{
+    if (t2 == NO_TABBUFFER)
+	t2 = FirstTab;
+    if (!t || !t2 || t == t2 || t == NO_TABBUFFER)
+	return;
+    if (t->prevTab) {
+	if (t->nextTab)
+	    t->nextTab->prevTab = t->prevTab;
+	else
+	    LastTab = t->prevTab;
+	t->prevTab->nextTab = t->nextTab;
+    }
+    else {
+	t->nextTab->prevTab = NULL;
+	FirstTab = t->nextTab;
+    }
+    if (right) {
+	t->nextTab = t2->nextTab;
+	t->prevTab = t2;
+	if (t2->nextTab)
+	    t2->nextTab->prevTab = t;
+	else
+	    LastTab = t;
+	t2->nextTab = t;
+    }
+    else {
+	t->prevTab = t2->prevTab;
+	t->nextTab = t2;
+	if (t2->prevTab)
+	    t2->prevTab->nextTab = t;
+	else
+	    FirstTab = t;
+	t2->prevTab = t;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(tabR, TAB_RIGHT, "Move current tab right")
+{
+    TabBuffer *tab;
+    int i;
+
+    for (tab = CurrentTab, i = 0; tab && i < PREC_NUM;
+	 tab = tab->nextTab, i++) ;
+    moveTab(CurrentTab, tab ? tab : LastTab, TRUE);
+}
+
+DEFUN(tabL, TAB_LEFT, "Move current tab left")
+{
+    TabBuffer *tab;
+    int i;
+
+    for (tab = CurrentTab, i = 0; tab && i < PREC_NUM;
+	 tab = tab->prevTab, i++) ;
+    moveTab(CurrentTab, tab ? tab : FirstTab, FALSE);
+}
+
+void
+addDownloadList(pid_t pid, char *url, char *save, char *lock, clen_t size)
+{
+    DownloadList *d;
+
+    d = New(DownloadList);
+    d->pid = pid;
+    d->url = url;
+    if (save[0] != '/' && save[0] != '~')
+	save = Strnew_m_charp(CurrentDir, "/", save, NULL)->ptr;
+    d->save = expandPath(save);
+    d->lock = lock;
+    d->size = size;
+    d->time = time(0);
+    d->ok = FALSE;
+    d->next = NULL;
+    d->prev = LastDL;
+    if (LastDL)
+	LastDL->next = d;
+    else
+	FirstDL = d;
+    LastDL = d;
+    add_download_list = TRUE;
+}
+
+int
+checkDownloadList(void)
+{
+    DownloadList *d;
+    struct stat st;
+
+    if (!FirstDL)
+	return FALSE;
+    for (d = FirstDL; d != NULL; d = d->next) {
+	if (!d->ok && !lstat(d->lock, &st))
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+static char *
+convert_size3(clen_t size)
+{
+    Str tmp = Strnew();
+    int n;
+
+    do {
+	n = size % 1000;
+	size /= 1000;
+	tmp = Sprintf(size ? ",%.3d%s" : "%d%s", n, tmp->ptr);
+    } while (size);
+    return tmp->ptr;
+}
+
+static Buffer *
+DownloadListBuffer(void)
+{
+    DownloadList *d;
+    Str src = NULL;
+    struct stat st;
+    time_t cur_time;
+    int duration, rate, eta;
+    size_t size;
+
+    if (!FirstDL)
+	return NULL;
+    cur_time = time(0);
+    /* FIXME: gettextize? */
+    src = Strnew_charp("<html><head><title>" DOWNLOAD_LIST_TITLE
+		       "</title></head>\n<body><h1 align=center>"
+		       DOWNLOAD_LIST_TITLE "</h1>\n"
+		       "<form method=internal action=download><hr>\n");
+    for (d = LastDL; d != NULL; d = d->prev) {
+	if (lstat(d->lock, &st))
+	    d->ok = TRUE;
+	Strcat_charp(src, "<pre>\n");
+	Strcat(src, Sprintf("%s\n  --&gt; %s\n  ", html_quote(d->url),
+			    html_quote(conv_from_system(d->save))));
+	duration = cur_time - d->time;
+	if (!stat(d->save, &st)) {
+	    size = st.st_size;
+	    if (d->ok) {
+		d->size = size;
+		duration = st.st_mtime - d->time;
+	    }
+	}
+	else
+	    size = 0;
+	if (d->size) {
+	    int i, l = COLS - 6;
+	    if (size < d->size)
+		i = 1.0 * l * size / d->size;
+	    else
+		i = l;
+	    l -= i;
+	    while (i-- > 0)
+		Strcat_char(src, '#');
+	    while (l-- > 0)
+		Strcat_char(src, '_');
+	    Strcat_char(src, '\n');
+	}
+	if (!d->ok && size < d->size)
+	    Strcat(src, Sprintf("  %s / %s bytes (%d%%)",
+				convert_size3(size), convert_size3(d->size),
+				(int)(100.0 * size / d->size)));
+	else
+	    Strcat(src, Sprintf("  %s bytes loaded", convert_size3(size)));
+	if (duration > 0) {
+	    rate = size / duration;
+	    Strcat(src, Sprintf("  %02d:%02d:%02d  rate %s/sec",
+				duration / (60 * 60), (duration / 60) % 60,
+				duration % 60, convert_size(rate, 1)));
+	    if (!d->ok && size < d->size && rate) {
+		eta = (d->size - size) / rate;
+		Strcat(src, Sprintf("  eta %02d:%02d:%02d", eta / (60 * 60),
+				    (eta / 60) % 60, eta % 60));
+	    }
+	}
+	Strcat_char(src, '\n');
+	if (d->ok) {
+	    Strcat(src, Sprintf("<input type=submit name=ok%d value=OK>",
+				d->pid));
+	    if (size < d->size)
+		Strcat_charp(src, " Download incompleted");
+	    else
+		Strcat_charp(src, " Download completed");
+	}
+	else
+	    Strcat(src, Sprintf("<input type=submit name=stop%d value=STOP>",
+				d->pid));
+	Strcat_charp(src, "\n</pre><hr>\n");
+    }
+    Strcat_charp(src, "</form></body></html>");
+    return loadHTMLString(src);
+}
+
+void
+download_action(struct parsed_tagarg *arg)
+{
+    DownloadList *d;
+    pid_t pid;
+
+    for (; arg; arg = arg->next) {
+	if (!strncmp(arg->arg, "stop", 4)) {
+	    pid = (pid_t) atoi(&arg->arg[4]);
+	    kill(pid, SIGKILL);
+	}
+	else if (!strncmp(arg->arg, "ok", 2))
+	    pid = (pid_t) atoi(&arg->arg[2]);
+	else
+	    continue;
+	for (d = FirstDL; d; d = d->next) {
+	    if (d->pid == pid) {
+		unlink(d->lock);
+		if (d->prev)
+		    d->prev->next = d->next;
+		else
+		    FirstDL = d->next;
+		if (d->next)
+		    d->next->prev = d->prev;
+		else
+		    LastDL = d->prev;
+		break;
+	    }
+	}
+    }
+    ldDL();
+}
+
+void
+stopDownload(void)
+{
+    DownloadList *d;
+
+    if (!FirstDL)
+	return;
+    for (d = FirstDL; d != NULL; d = d->next) {
+	if (d->ok)
+	    continue;
+	kill(d->pid, SIGKILL);
+	unlink(d->lock);
+    }
+}
+
+/* download panel */
+DEFUN(ldDL, DOWNLOAD_LIST, "Display download list panel")
+{
+    Buffer *buf;
+    int replace = FALSE, new_tab = FALSE;
+#ifdef USE_ALARM
+    int reload;
+#endif
+
+    if (Currentbuf->bufferprop & BP_INTERNAL &&
+	!strcmp(Currentbuf->buffername, DOWNLOAD_LIST_TITLE))
+	replace = TRUE;
+    if (!FirstDL) {
+	if (replace) {
+	    if (Currentbuf == Firstbuf && Currentbuf->nextBuffer == NULL) {
+		if (nTab > 1)
+		    deleteTab(CurrentTab);
+	    }
+	    else
+		delBuffer(Currentbuf);
+	    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	}
+	return;
+    }
+#ifdef USE_ALARM
+    reload = checkDownloadList();
+#endif
+    buf = DownloadListBuffer();
+    if (!buf) {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    buf->bufferprop |= (BP_INTERNAL | BP_NO_URL);
+    if (replace)
+	restorePosition(buf, Currentbuf);
+    if (!replace && open_tab_dl_list) {
+	_newT();
+	new_tab = TRUE;
+    }
+    pushBuffer(buf);
+    if (replace || new_tab)
+	deletePrevBuf();
+#ifdef USE_ALARM
+    if (reload)
+	Currentbuf->event = setAlarmEvent(Currentbuf->event, 1, AL_IMPLICIT,
+					  FUNCNAME_reload, NULL);
+#endif
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+static void
+save_buffer_position(Buffer *buf)
+{
+    BufferPos *b = buf->undo;
+
+    if (!buf->firstLine)
+	return;
+    if (b && b->top_linenumber == TOP_LINENUMBER(buf) &&
+	b->cur_linenumber == CUR_LINENUMBER(buf) &&
+	b->currentColumn == buf->currentColumn && b->pos == buf->pos)
+	return;
+    b = New(BufferPos);
+    b->top_linenumber = TOP_LINENUMBER(buf);
+    b->cur_linenumber = CUR_LINENUMBER(buf);
+    b->currentColumn = buf->currentColumn;
+    b->pos = buf->pos;
+    b->bpos = buf->currentLine ? buf->currentLine->bpos : 0;
+    b->next = NULL;
+    b->prev = buf->undo;
+    if (buf->undo)
+	buf->undo->next = b;
+    buf->undo = b;
+}
+
+static void
+resetPos(BufferPos * b)
+{
+    Buffer buf;
+    Line top, cur;
+
+    top.linenumber = b->top_linenumber;
+    cur.linenumber = b->cur_linenumber;
+    cur.bpos = b->bpos;
+    buf.topLine = &top;
+    buf.currentLine = &cur;
+    buf.pos = b->pos;
+    buf.currentColumn = b->currentColumn;
+    restorePosition(Currentbuf, &buf);
+    Currentbuf->undo = b;
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+DEFUN(undoPos, UNDO, "Cancel the last cursor movement")
+{
+    BufferPos *b = Currentbuf->undo;
+    int i;
+
+    if (!Currentbuf->firstLine)
+	return;
+    if (!b || !b->prev)
+	return;
+    for (i = 0; i < PREC_NUM && b->prev; i++, b = b->prev) ;
+    resetPos(b);
+}
+
+DEFUN(redoPos, REDO, "Cancel the last undo")
+{
+    BufferPos *b = Currentbuf->undo;
+    int i;
+
+    if (!Currentbuf->firstLine)
+	return;
+    if (!b || !b->next)
+	return;
+    for (i = 0; i < PREC_NUM && b->next; i++, b = b->next) ;
+    resetPos(b);
+}