From: morioka <morioka>
Date: Sun, 30 Aug 1998 12:17:58 +0000 (+0000)
Subject: egg-980712.
X-Git-Tag: egg-980712~1
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fheads%2Fgniibe;p=elisp%2Fegg.git

egg-980712.
---

diff --git a/ChangeLog b/ChangeLog
index 58e4fdc..bbcbd66 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,58 @@
+1998-07-12  NIIBE Yutaka  <gniibe@mri.co.jp>
+
+	* egg-mlh.el (mlh-space-bar-backward-henkan): Don't test against
+	egg-conversion-backend-alist.
+
+	* egg/wnn.el (wnn-fini-lang): Reneme from wnn-fini.
+	(wnn-fini): New implementation calling wnn-fini-lang.
+
+	(wnn-close): Call wnn-fini-lang.
+	(wnn-dictionary-save): Ditto.
+
+	* egg/canna.el (canna-fini): Delete LANG argument.
+	* egg/sj3.el (sj3-fini): Ditto.
+
+	* egg-cnv.el (egg-set-conversion-backend): Removed.
+
+	* egg/sj3.el (sj3-start-conversion): Signal error on non-supported
+	language.
+	* egg/canna.el (canna-start-conversion): Likewise.
+	* egg/wnn.el (wnn-start-conversion): Likewise.
+
+	* egg-cnv.el (egg-convert-region): Add handler for
+	lang-not-supported.
+
+	* egg/wnn.el (egg-activate-wnn): load wnnrpc here conditionally.
+	* egg/sj3.el: Likewise.
+	* egg/canna.el: Likewise.
+
+	* egg.el (egg-support-languages, egg-set-support-languages): Removed.
+	(egg-mode): Don't call egg-set-conversion-backend.
+	* egg/{canna.el, wnn.el, sj3.el}: Don't call egg-support-languages.
+
+	* egg-cnv.el (egg-set-current-backend): Removed.
+	(egg-initialize-backend, egg-start-conversion,
+	egg-start-reverse-conversion): Don't call egg-set-current-backend.
+	(egg-conversion-backend-null): Rename from *-other-languages.
+	(egg-conversion-backend-alist): Removed.
+	(egg-conversion-backend): Not buffer local.
+	(egg-finalize-backend-alist): Removed.
+
+1998-07-10  NIIBE Yutaka  <gniibe@mri.co.jp>
+
+	* egg-cnv.el (egg-start-conversion-failure-hook): New Variable.
+	(egg-start-conversion-failure-fallback): New Function.
+	(egg-convert-region): Handle error and hook on failure.
+
+	* egg/sj3.el (sj3-open): Remove bogus setq-s of sj3-sys-dict-list,
+	sj3-user-dict-list.
+
+	* egg-mlh.el (mlh-space-bar-backward-henkan): Don't emit message
+	"converting...", as it may flush out error message.
+
+	* egg/sj3rpc.el ("egg-com", "egg/sj3"): Require on compilation.
+	(sj3rpc-open): Failure when version is different.
+
 1998-07-03  KATAYAMA Yoshio <kate@pfu.co.jp>
 
 	* its/erpin.el, its/hangul.el, its/hankata.el, its/hira.el,
diff --git a/Makefile b/Makefile
index 07a693a..f3f4a8b 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 # Project Leader: Satoru Tomura <tomura@etl.go.jp>
 
 DOTEMACS=/home/niibe/.emacs
-LEIMDIR=/usr/local/share/emacs/20.2.892/leim
+LEIMDIR=/usr/local/share/emacs/20.2.96/leim
 SITEDIR=/usr/local/share/emacs/site-lisp
 
 INSTALL=/usr/bin/install
@@ -13,7 +13,7 @@ INSTALL=/usr/bin/install
 
 DEPS = -l ./docomp.el
 BATCHFLAGS = -batch -q -no-site-file
-EMACS = emacs
+EMACS = /usr/local/bin/emacs
 
 .SUFFIXES: .el .elc
 
@@ -70,13 +70,16 @@ leim-list.el:
 	  cat ${LEIMDIR}/leim-list.el leim-list-egg.el >leim-list.el; \
 	fi
 
+install-leim: leim-list.el
+	${INSTALL} leim-list.el ${SITEDIR}
+
 install-dirs:
 	for d in its egg; do \
 	  if [ ! -d ${SITEDIR}/$$d ]; then mkdir -p ${SITEDIR}/$$d; fi; \
         done
 
 install: all install-dirs
-	for x in ${SRCS} ${ELCS}; do $(INSTALL) -m 644 $$x ${SITEDIR}/`dirname $$x`; done
+	for x in ${SRCS} ${ELCS}; do ${INSTALL} -m 644 $$x ${SITEDIR}/`dirname $$x`; done
 	@echo -n "### See leim-list-egg.el for registering input method"
 	@echo " (if you haven't yet)."
 
diff --git a/egg-cnv.el b/egg-cnv.el
index a835836..515fb91 100644
--- a/egg-cnv.el
+++ b/egg-cnv.el
@@ -47,74 +47,60 @@
     bunsetsu-info))
 ;;
 
-(defconst egg-conversion-backend-other-languages
-  [ egg-init-other-languages
-
-	egg-start-conversion-other-languages
-      egg-get-bunsetsu-converted-other-languages
-      egg-get-bunsetsu-source-other-languages
-      egg-list-candidates-other-languages
-	  egg-get-number-of-candidates-other-languages
-	  egg-get-current-candidate-number-other-languages
-	  egg-get-all-candidates-other-languages
-	  egg-decide-candidate-other-languages
-      egg-change-bunsetsu-length-other-languages
-    egg-end-conversion-other-languages
+(defconst egg-conversion-backend-null
+  [ egg-init-null
+
+      egg-start-conversion-null
+      egg-get-bunsetsu-converted-null
+      egg-get-bunsetsu-source-null
+      egg-list-candidates-null
+	  egg-get-number-of-candidates-null
+	  egg-get-current-candidate-number-null
+	  egg-get-all-candidates-null
+	  egg-decide-candidate-null
+      egg-change-bunsetsu-length-null
+    egg-end-conversion-null
     nil
 
-    egg-fini-other-languages
+    egg-fini-null
  ])
 
-(defun egg-init-other-languages ()
-  )
+(defun egg-init-null ()
+ )
 
-(defun egg-start-conversion-other-languages (yomi-string language)
-  (setq egg-conversion-backend egg-conversion-backend-other-languages)
+(defun egg-start-conversion-null (yomi-string language)
   (list yomi-string))
-(defun egg-get-bunsetsu-converted-other-languages (bunsetsu-info)
+(defun egg-get-bunsetsu-converted-null (bunsetsu-info)
   bunsetsu-info)
-(defun egg-get-bunsetsu-source-other-languages (bunsetsu-info)
+(defun egg-get-bunsetsu-source-null (bunsetsu-info)
   bunsetsu-info)
-(defun egg-list-candidates-other-languages (bunsetsu-info prev-bunsetsu-info)
+(defun egg-list-candidates-null (bunsetsu-info prev-bunsetsu-info)
   1)
-(defun egg-get-number-of-candidates-other-languages (bunsetsu-info)
+(defun egg-get-number-of-candidates-null (bunsetsu-info)
   1)
-(defun egg-get-current-candidate-number-other-languages (bunsetsu-info)
+(defun egg-get-current-candidate-number-null (bunsetsu-info)
   0)
-(defun egg-get-all-candidates-other-languages (bunsetsu-info)
+(defun egg-get-all-candidates-null (bunsetsu-info)
   (list bunsetsu-info))
-(defun egg-decide-candidate-other-languages (bunsetsu-info candidate-pos)
+(defun egg-decide-candidate-null (bunsetsu-info candidate-pos)
   bunsetsu-info)
-(defun egg-change-bunsetsu-length-other-languages (b0 b1 b2 len)
+(defun egg-change-bunsetsu-length-null (b0 b1 b2 len)
   (let ((s (concat b1 b2)))
     (set-text-properties 0 (length s) nil s)
     (if (= len (length s))
 	(list s)
       (list (substring s 0 len) (substring s len)))))
-(defun egg-end-conversion-other-languages (bunsetsu-info-list abort)
+(defun egg-end-conversion-null (bunsetsu-info-list abort)
   nil)
-(defun egg-fini-other-languages (language)
+(defun egg-fini-null (language)
   nil)
 
-(defvar egg-conversion-backend-alist nil)
-(make-variable-buffer-local 'egg-conversion-backend-alist)
 (defvar egg-conversion-backend nil)
-(make-variable-buffer-local 'egg-conversion-backend)
-
-(defvar egg-finalize-backend-alist nil)
-
-(defun egg-set-current-backend (language)
-  (setq egg-conversion-backend
-	(cdr (assq language egg-conversion-backend-alist)))
-  (if (null egg-conversion-backend)
-      (setq egg-conversion-backend egg-conversion-backend-other-languages)))
 
 (defun egg-initialize-backend (language)
-  (egg-set-current-backend language)
   (funcall (aref egg-conversion-backend 0)))
 
 (defun egg-start-conversion (yomi-string language)
-  (egg-set-current-backend language)
   (funcall (aref egg-conversion-backend 1) yomi-string language))
 (defun egg-get-bunsetsu-converted (bunsetsu-info)
   (funcall (aref egg-conversion-backend 2) bunsetsu-info))
@@ -135,35 +121,12 @@
 (defun egg-end-conversion (bunsetsu-info-list abort)
   (funcall (aref egg-conversion-backend 10) bunsetsu-info-list abort))
 (defun egg-start-reverse-conversion (yomi-string language)
-  (egg-set-current-backend language)
   (if (aref egg-conversion-backend 11)
       (funcall (aref egg-conversion-backend 11) yomi-string language)
     (beep)))
 
 (defun egg-finalize-backend ()
-  (let ((alist egg-finalize-backend-alist))
-    (while alist
-      (funcall (car (car (car alist))) (cdr (car (car alist))))
-      (setq alist (cdr alist)))))
-
-(defun egg-set-conversion-backend (backend langs &optional force)
-  (let (pair)
-    (if backend
-	(setq egg-conversion-backend backend)
-      (setq backend egg-conversion-backend))
-    (while langs
-      (setq pair (assoc (car langs) egg-conversion-backend-alist))
-      (cond
-       ((null pair)
-	(setq egg-conversion-backend-alist
-	      (cons (cons (car langs) backend) egg-conversion-backend-alist)))
-       (force
-	(setcdr pair backend)))
-      (setq pair (cons (aref backend (1- (length backend))) (car langs)))
-      (if (null (assoc pair egg-finalize-backend-alist))
-	  (setq egg-finalize-backend-alist
-		(cons (list pair) egg-finalize-backend-alist)))
-      (setq langs (cdr langs)))))
+  (aref egg-conversion-backend 12))
 
 (defvar egg-conversion-open  "|"  "*フェンスの始点を示す文字列 (1 文字以上)")
 (defvar egg-conversion-close "|"  "*フェンスの終点を示す文字列 (1 文字以上)")
@@ -177,12 +140,20 @@
 		       (assq t egg-conversion-face)))))
     (if face (cdr face) egg-conversion-face)))
 
+(defvar egg-start-conversion-failure-hook
+  '(egg-start-conversion-failure-fallback)
+  "Hook which runs on failure of conversion.")
+
+;; SAIGO no shudan
+(defun egg-start-conversion-failure-fallback (language)
+  (setq egg-conversion-backend egg-conversion-backend-null))
+
 ;;
 (defun egg-convert-region (start end)
   (interactive "r")
   (let ((source (buffer-substring start end))
 	(no-prop-source (buffer-substring-no-properties start end))
-	bunsetsu-info-list len result i j s)
+	len result i j s)
     (if (>= start end)
 	;; nothing to do
 	nil
@@ -217,18 +188,29 @@
 	(while (< i len)
 	  (setq egg-current-language (get-text-property i 'egg-lang source)
 		j (egg-next-single-property-change i 'egg-lang source len))
-	  (condition-case result
-	      (setq bunsetsu-info-list (egg-start-conversion
-					(substring no-prop-source i j)
-					egg-current-language))
-	    (error			; XXX: catching all error is BADBADBAD
-	     (setq bunsetsu-info-list (egg-start-conversion-other-languages
-				       (substring no-prop-source i j)
-				       egg-current-language))
-	     (message "egg %s backend: %s"
-		      egg-current-language (nth 1 result))))
-	  (egg-insert-bunsetsu-list bunsetsu-info-list
-				    (if (< j len) 'contine t))
+	  (let (bunsetsu-info-list)
+	    (while (null bunsetsu-info-list)
+	      (condition-case err
+		  (setq bunsetsu-info-list (egg-start-conversion
+					    (substring no-prop-source i j)
+					    egg-current-language))
+		;; Don't catch programming error
+		(lang-not-supported
+		 (message "Language not supported: %s" egg-current-language)
+		 (ding)
+		 (setq bunsetsu-info-list
+		       (egg-start-conversion-null
+			(substring no-prop-source i j)
+			egg-current-language)))
+		(file-error		
+		 (message "Error on %s backend: %s"
+			  egg-current-language (nth 1 err))
+		 (ding)
+		 (sit-for 1)
+		 (run-hook-with-args-until-success
+		  'egg-start-conversion-failure-hook egg-current-language))))
+	    (egg-insert-bunsetsu-list bunsetsu-info-list
+				      (if (< j len) 'contine t)))
 	  (setq i j))
 	(goto-char start)))))
 
diff --git a/egg-mlh.el b/egg-mlh.el
index 41b5129..e3f8297 100644
--- a/egg-mlh.el
+++ b/egg-mlh.el
@@ -43,7 +43,7 @@ Or else, execute command that space-bar invokes usually."
   (let ((henkan-begin nil)
         (inhibit-henkan t)
         (its-disable-special-action t))
-    (if (null (assq 'Japanese egg-conversion-backend-alist))
+    (if (null egg-conversion-backend)
 	(progn
           (setq egg-mode-preference nil)
           (activate-input-method (concat "japanese-egg-" mlh-default-backend)))
@@ -53,11 +53,7 @@ Or else, execute command that space-bar invokes usually."
     (if henkan-begin
         (if (or inhibit-henkan (= henkan-begin (point)))
             (egg-do-auto-fill)
-          (progn
-            (message "Converting...")
-            (sit-for 0)
-	    (egg-convert-region henkan-begin (point))
-            (message "") ))
+	  (egg-convert-region henkan-begin (point)))
       (setq this-command 'self-insert-command)
       (call-interactively 'self-insert-command))))
 
diff --git a/egg.el b/egg.el
index 601c981..474f59b 100644
--- a/egg.el
+++ b/egg.el
@@ -61,7 +61,6 @@
     (if (null (string= (car arg) egg-last-method-name))
 	(progn
 	  (funcall (nth 1 arg))
-	  (egg-set-conversion-backend nil (list its-current-language) t)
 	  (setq egg-default-language its-current-language)))
     (setq egg-last-method-name (car arg))
     (use-local-map (if egg-mode-preference
@@ -76,7 +75,8 @@
   "Generate modefull keymap for EGG mode."  
   (let ((map (make-sparse-keymap))
 	(i 33))
-    (define-key map "\C-_" 'egg-jis-code-input)
+    ;; BAD BAD BAD it should be UNDO
+    ;;    (define-key map "\C-_" 'egg-jis-code-input)
     (while (< i 127)
       (define-key map (vector i) 'egg-self-insert-char)
       (setq i (1+ i)))
@@ -252,19 +252,11 @@
 (require 'egg-mlh)
 (require 'egg-cnv)
 (require 'egg-com)
-(require 'custom)
+(require 'custom)			; Really?
 
 (defgroup egg nil
   "Tamagotchy --- EGG Versio 4.0")
 
-(defvar egg-support-languages nil)
-
-(defun egg-set-support-languages (langs)
-  (while langs
-    (if (null (member (car langs) egg-support-languages))
-	(setq egg-support-languages (cons (car langs) egg-support-languages)))
-    (setq langs (cdr langs))))
-
 (add-hook 'kill-emacs-hook 'egg-kill-emacs-function)
 (defun egg-kill-emacs-function ()
   (egg-finalize-backend))
diff --git a/egg/canna.el b/egg/canna.el
index 80f04b6..dfa8014 100644
--- a/egg/canna.el
+++ b/egg/canna.el
@@ -31,8 +31,6 @@
 
 (require 'egg-edep)
 
-(defconst canna-support-languages '(Japanese))
-
 (eval-when-compile
   (defmacro CANNA-const (c)
     (cond ((eq c 'FileNotExist) xxxxxxxxxxxxxx)
@@ -182,8 +180,10 @@
 (defun canna-start-conversion (yomi lang)
   "Convert YOMI string to kanji, and enter conversion mode.
 Return the list of bunsetsu."
-  (let ((env (canna-get-environment)))
-    (cannarpc-begin-conversion env yomi)))
+  (if (eq lang 'Japanese)
+      (let ((env (canna-get-environment)))
+	(cannarpc-begin-conversion env yomi))
+    (signal 'lang-not-supported)))    
 
 (defun canna-end-conversion (bunsetsu-list abort)
   (let* ((env (cannabunsetsu-get-env (car bunsetsu-list)))
@@ -267,21 +267,18 @@ Return the list of bunsetsu."
       (list bunsetsu1))))
 
 ;;;;;;;;;;;;;; MADAMADA
-(defun canna-fini (lang)
+(defun canna-fini ()
 )
 
 ;;; setup
-
 (require 'egg)
-(load "egg/cannarpc")
 
 ;;;###autoload
 (defun egg-activate-canna (&rest arg)
   "Activate CANNA backend of Tamagotchy."
-  (egg-set-support-languages canna-support-languages)
-  (egg-set-conversion-backend canna-conversion-backend 
-			      canna-support-languages
-			      nil)
+  (setq egg-conversion-backend canna-conversion-backend)
+  (if (not (fboundp 'cannarpc-open))
+      (load-library "egg/canna"))
   (apply 'egg-mode arg))
 
 ;;; egg/canna.el ends here.
diff --git a/egg/sj3.el b/egg/sj3.el
index 865f42b..0827c33 100644
--- a/egg/sj3.el
+++ b/egg/sj3.el
@@ -31,8 +31,6 @@
 
 (require 'egg-edep)
 
-(defconst sj3-support-languages '(Japanese))
-
 (eval-when-compile
   (defmacro SJ3-const (c)
     (cond ((eq c 'FileNotExist) 35)
@@ -57,7 +55,7 @@
  ])
 
 (defvar sj3-server-port 3000 "Port number of SJ3 server")
-(defvar sj3-stdy-size 0 "STDYSIZE of SJ3 server")
+(defvar sj3-stdy-size 0 "STDYSIZE of SJ3 server (will be set on connection)")
 (defvar sj3-hostname "localhost"
   "Hostname of SJ3 server")
 
@@ -65,9 +63,13 @@
 
 (defun sj3-open (hostname)
   "Establish the connection to SJ3 server.  Return process object."
-  (let* ((buf (generate-new-buffer " *SJ3*"))
-	 (proc (open-network-stream "SJ3" buf hostname sj3-server-port))
-	 result)
+  (let ((buf (generate-new-buffer " *SJ3*"))
+	proc result)
+    (condition-case err
+	(setq proc (open-network-stream "SJ3" buf hostname sj3-server-port))
+      (error
+       (kill-buffer buf)
+       (signal 'file-error (cdr err))))	; Re-raise the signal with file-error
     (process-kill-without-query proc)
     (set-process-coding-system proc 'no-conversion 'no-conversion)
     (set-marker-insertion-type (process-mark proc) t)
@@ -76,76 +78,22 @@
       (erase-buffer)
       (buffer-disable-undo)
       (set-buffer-multibyte nil))
-    ;; Initialize dictionaries
-    (setq sj3-sys-dict-list nil)
-    (setq sj3-user-dict-list nil)
     (setq result (sj3rpc-open proc (system-name) (user-login-name)))
     (if (< result 0)
 	(let ((msg (sj3rpc-get-error-message (- result))))
 	  (delete-process proc)
 	  (kill-buffer buf)
-	  (error "Can't open SJ3 session (%s): %s" hostname msg)))
-    (setq result (sj3rpc-get-stdy-size proc))
-    (if (< result 0)
-	(let ((msg (sj3rpc-get-error-message (- result))))
-	  (delete-process proc)
-	  (kill-buffer buf)
-	  (error "Can't get SJ3 STDYSIZE: %s"msg)))
-    (setq sj3-stdy-size result)
-    proc))
-
-;; (defun sj3-open (hostname-list)
-;;   "Establish the connection to SJ3 server.  Return process object."
-;;   (let* ((buf (generate-new-buffer " *SJ3*"))
-;; 	 (msg-form "SJ3: connecting to sj3serv at %s...")
-;; 	 hostname proc result msg)
-;;     (save-excursion
-;;       (set-buffer buf)
-;;       (erase-buffer)
-;;       (buffer-disable-undo)
-;;       (setq enable-multibyte-characters nil))
-;;     (cond
-;;      ((null hostname-list)
-;;       (setq hostname-list '("localhost")))
-;;      ((null (listp hostname-list))
-;;       (setq hostname-list (list hostname-list))))
-;;     (while (and hostname-list (null proc))
-;;       (setq hostname (car hostname-list)
-;; 	    hostname-list (cdr hostname-list))
-;;       (message msg-form hostname)
-;;       (sit-for 0)
-;;       (condition-case result
-;; 	  (setq proc (open-network-stream "SJ3" buf hostname sj3-server-port))
-;; 	(error nil))
-;;       (if proc
-;; 	  (progn
-;; 	    (process-kill-without-query proc)
-;; 	    (set-process-coding-system proc 'no-conversion 'no-conversion)
-;; 	    (set-marker-insertion-type (process-mark proc) t)
-;; 	    ;; Initialize dictionaries
-;; 	    (setq sj3-sys-dict-list nil)
-;; 	    (setq sj3-user-dict-list nil)
-;; 	    (setq result (sj3rpc-open proc (system-name) (user-login-name)))
-;; 	    (if (< result 0)
-;; 		(progn
-;; 		  (delete-process proc)
-;; 		  (setq proc nil
-;; 			msg (format "Can't open SJ3 session (%s): %s"
-;; 				    hostname msg)))
-;; 	      (setq result (sj3rpc-get-stdy-size proc))
-;; 	      (if (< result 0)
-;; 		  (progn
-;; 		    (delete-process proc)
-;; 		    (setq proc nil
-;; 			  msg (format "Can't get SJ3 STDYSIZE: %s"
-;; 				      (sj3rpc-get-error-message (- result)))))
-;; 		(setq sj3-stdy-size result))))))
-;;     (if proc
-;; 	(progn
-;; 	  (setq sj3-open-message (format (concat msg-form "done") hostname))
-;; 	  proc)
-;;       (kill-buffer buf)
-;;       (error "%s" (or msg "no sj3serv available")))))
+	  (signal 'file-error
+	       (list (format "Can't open SJ3 session (%s): %s" hostname msg))))
+      (setq result (sj3rpc-get-stdy-size proc))
+      (if (< result 0)
+	  (let ((msg (sj3rpc-get-error-message (- result))))
+	    (delete-process proc)
+	    (kill-buffer buf)
+	    (signal 'file-error
+		    (list (format "Can't get SJ3 STDYSIZE: %s" msg)))))
+      (setq sj3-stdy-size result)
+      proc)))
 
 ;; <env> ::= [ <proc> <dictionary-list> ]
 (defvar sj3-environment nil
@@ -273,8 +221,10 @@
 (defun sj3-start-conversion (yomi &optional lang)
   "Convert YOMI string to kanji, and enter conversion mode.
 Return the list of bunsetsu."
-  (let ((env (sj3-get-environment)))
-    (sj3rpc-begin env yomi)))
+  (if (eq lang 'Japanese)
+      (let ((env (sj3-get-environment)))
+	(sj3rpc-begin env yomi))
+    (signal 'lang-not-supported)))
 
 (defun sj3-end-conversion (bunsetsu-list abort)
   (if abort
@@ -354,7 +304,7 @@ Return the list of bunsetsu."
 	(list bunsetsu1 bunsetsu2)
       (list bunsetsu1))))
 
-(defun sj3-fini (lang)
+(defun sj3-fini ()
   (let ((proc (sj3env-get-proc sj3-environment))
 	(dict-list (sj3env-get-dictionary-list sj3-environment))
 	dict)
@@ -367,16 +317,14 @@ Return the list of bunsetsu."
   (setq sj3-environment nil))
 
 ;;; setup
-
 (require 'egg)
-(load "egg/sj3rpc")
 
 ;;;###autoload
 (defun egg-activate-sj3 (&rest arg)
   "Activate SJ3 backend of Tamagotchy."
-  (egg-set-support-languages sj3-support-languages)
-  (egg-set-conversion-backend sj3-conversion-backend 
-			      sj3-support-languages)
+  (setq egg-conversion-backend sj3-conversion-backend)
+  (if (not (fboundp 'sj3rpc-open))
+      (load-library "egg/sj3rpc"))
   (apply 'egg-mode arg))
 
 ;;; egg/sj3.el ends here.
diff --git a/egg/sj3rpc.el b/egg/sj3rpc.el
index 9520e53..4d76603 100644
--- a/egg/sj3rpc.el
+++ b/egg/sj3rpc.el
@@ -33,7 +33,9 @@
 
 (eval-when-compile
   (require 'egg-com)
-;;  (load-library "egg/sj3")
+
+  ;; To get definition of sj3-make-bunsetsu and others
+  (load-library "egg/sj3")
   (defmacro sj3-const (c)
     (cond ((eq c 'OPEN)            1)
 	  ((eq c 'CLOSE)           2)
@@ -71,7 +73,10 @@
 	  (t (error "No such constant")))))
 
 ;; XXX
-(defconst sj3rpc-error-message (vector ))
+(defconst sj3rpc-error-message 
+     [ 
+      "Error #0 です"
+      ])
 
 (defun sj3rpc-get-error-message (errno)
   (or (and (>= errno 0)
@@ -102,9 +107,9 @@
 		 ;; program name
 		 (format "%d.emacs-egg" (emacs-pid)))
     (comm-unpack (u) result)
-    (if (= result -2)
-	0
-      result)))
+    (if (= result -2)			; negated version number
+	0				; OK
+      -1)))				; Failure (different version)
 
 (defun sj3rpc-close (proc)
   (comm-call-with-proc proc (result)
diff --git a/egg/wnn.el b/egg/wnn.el
index 1e8330d..3891e47 100644
--- a/egg/wnn.el
+++ b/egg/wnn.el
@@ -207,12 +207,14 @@
 (defun wnn-start-conversion (yomi &optional language dic-set reverse)
   "Convert YOMI string to kanji, and enter conversion mode.
 Return the list of bunsetsu."
-  (let* ((server-info (wnn-server-get-info language))
-	 (env (wnn-get-environment server-info dic-set reverse))
-	 (result (wnnrpc-renbunsetsu-conversion env yomi
-						(WNN-const BUN_SENTOU) "")))
-    (wnnenv-set-daibunsetsu-info env (car result))
-    (cdr result)))
+  (let ((server-info (wnn-server-get-info language)))
+    (if server-info
+	(let* ((env (wnn-get-environment server-info dic-set reverse))
+	       (result (wnnrpc-renbunsetsu-conversion env yomi
+						      (WNN-const BUN_SENTOU) "")))
+	  (wnnenv-set-daibunsetsu-info env (car result))
+	  (cdr result))
+    (signal 'lang-not-supported))))
 
 (defun wnn-start-reverse-conversion (yomi &optional language dic-set)
   (wnn-start-conversion yomi language dic-set t))
@@ -369,7 +371,13 @@ Return the list of bunsetsu."
 	    ,@body)
 	  (setq env-list (cdr env-list))))))
 
-(defun wnn-fini (lang &optional save-only)
+(defun wnn-fini ()
+  (let ((l wnn-support-languages))
+    (while l
+      (wnn-fini-lang (car l))
+      (setq l (cdr l)))))
+
+(defun wnn-fini-lang (lang &optional save-only)
   (let* ((server-info (wnn-server-get-info lang))
 	 (server-type (wnn-server-type server-info))
 	 (l wnn-environments)
@@ -410,7 +418,7 @@ Return the list of bunsetsu."
   (or (listp lang)
       (setq lang (list lang)))
   (while lang
-    (wnn-fini (car lang))
+    (wnn-fini-lang (car lang))
     (setq lang (cdr lang))))
 
 (defun wnn-dictionary-save (lang)
@@ -418,7 +426,7 @@ Return the list of bunsetsu."
   (or (listp lang)
       (setq lang (list lang)))
   (while lang
-    (wnn-fini (car lang) t)
+    (wnn-fini-lang (car lang) t)
     (setq lang (cdr lang))))
 
 (defun wnn-read-active-lang ()
@@ -1002,14 +1010,13 @@ REVERSE specifies reverse conversion, if non nil."
 ;;; setup
 
 (require 'egg)
-(load "egg/wnnrpc")
 
 ;;;###autoload
 (defun egg-activate-wnn (&rest arg)
   "Activate Wnn backend of Tamagotchy."
-  (egg-set-support-languages wnn-support-languages)
-  (egg-set-conversion-backend wnn-conversion-backend
-			      wnn-support-languages)
+  (setq egg-conversion-backend wnn-conversion-backend)
+  (if (not (fboundp 'wnnrpc-open))
+      (load-library "egg/wnnrpc"))
   (apply 'egg-mode arg))
 
 ;;; egg/wnn.el ends here.