[w3m-dev 03200] Re: New configuration option `keymap_file'' and new command `DEFINE_KEY''

* fm.h: add <sts/stat.h>, unistd.h>
* fm.h (keymap_file): added
* func.c (keymap_initialized): added
	(current_keymap_file): added
	(setKeymap): added
	(initKeymap): rewrite to use setKeymap()
* funcname.tab (DEFINE_KEY): added
* main.c (MAIN): initKeymap(TRUE)
	(defKey): added
* proto.h (defKey): added
	(setKeymap): added
	(initKeymap): add force param
* rc.c (CMT_KEYMAP_FILE): added
	(params3): add keymap_file
	(sync_with_option): add initKeymap(FALSE)
* doc/README.func (DEFINE_KEY): added
* doc-jp/README.func: (DEFINE_KEY): added
* scripts/w3mhelp.cgi.in: add defKey
* NEWS:
	func: DEFINE_KEY
	rc: keymap_file
From: Kiyokazu SUTO <suto@ks-and-ks.ne.jp>

doc/README.func

@@ -8,6 +8,7 @@ CENTER_H	Move to the center line
 CENTER_V	Move to the center column
 COMMAND		Execute w3m command(s)
 COOKIE		View cookie list
+DEFINE_KEY	Define a binding between a key stroke and a user command
 DELETE_PREVBUF  Delete previous buffer (mainly for local-CGI)
 DICT_WORD	Execute dictionary command (see README.dict)
 DICT_WORD_AT   Execute dictionary command for word at cursor