[w3m-dev 03455] mouse menu

* configure (config.h): MOUSE_FILE
* display.c (displayBuffer): nTab -> nTab2, N_TAB -> nTabLine()
	(redrawNLine): nTab -> nTab2, N_TAB -> nTabLine()
			mouse_menu support
* fm.h (nTab2): added
	(N_TAB): deleted
	(NO_TABBUFFER): added
	(struct _MouseMenu): added
	(mouse_menu_map): added
	(mouse_menu): added
* func.c (initMouseMenu): added
* main.c (main): initMouseMenu()
	(posTab): mouse_menu support
	(mouse_menu_action): added
	(process_mouse): mouse_menu support
	(reinit): initMouseMenu()
	(nTabLine): added
	(moveTab): check NO_TABBUFFER
* proto.h (nTabLine): added
	(initMouseMenu): added
* rc.c (sync_with_option): initMouseMenu()
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

rc.c

@@ -1,4 +1,4 @@
-/* $Id: rc.c,v 1.65 2002/11/19 17:40:34 ukai Exp $ */
+/* $Id: rc.c,v 1.66 2002/11/21 16:31:36 ukai Exp $ */
 /* 
  * Initialization file etc.
  */
@@ -1322,6 +1322,9 @@ sync_with_option(void)
 	AcceptMedia = acceptableMimeTypes();
     if (fmInitialized) {
 	initKeymap(FALSE);
+#ifdef USE_MOUSE
+	initMouseMenu();
+#endif				/* MOUSE */
 #ifdef USE_MENU
 	initMenu();
 #endif				/* MENU */