From 26f5224a5e9b4b1e8cc60c3f3ffa9ef8e255611b Mon Sep 17 00:00:00 2001
From: MORIOKA Tomohiko <tomo@kanji.zinbun.kyoto-u.ac.jp>
Date: Thu, 18 Mar 2010 21:22:51 +0900
Subject: [PATCH] (www-set-display-char-desc): Store new value into
 FEATURE@$rev=latest; don't display `$rev=latest' domain
 features.

---
 cwiki-set.el |   64 +++++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 43 insertions(+), 21 deletions(-)

diff --git a/cwiki-set.el b/cwiki-set.el
index 9d8156f..0429584 100644
--- a/cwiki-set.el
+++ b/cwiki-set.el
@@ -74,7 +74,9 @@
     (setq feature (intern feature)))
   (when (stringp format)
     (setq format (intern format)))
-  (let ((char (www-uri-decode-char uri-char)))
+  (let ((char (www-uri-decode-char uri-char))
+	latest-feature
+	feature-name logical-feature displayed-features)
     (when (characterp char)
       (princ
        (encode-coding-string
@@ -89,32 +91,52 @@
 	       uri-char feature value lang))
       (setq value (www-feature-parse-string feature value format))
       (www-html-display-paragraph
-       (format "char = %c" char))
-      (www-html-display-paragraph
-       (format "feature-name = %S" feature))
-      (www-html-display-paragraph
-       (format "feature-value = %S" value))
+       (format "char = %c : %S \u2190 %S"
+	       char feature value))
+      (setq latest-feature
+	    (char-feature-name-at-domain feature '$rev=latest))
+      (if value
+	  (if (equal (www-char-feature char feature) value)
+	      (www-html-display-paragraph
+	       "Feature-value is not changed.")
+	    (www-html-display-paragraph
+	     (format "New feature-value = %S is different from old value %S"
+		     value
+		     (www-char-feature char feature)))
+	    (put-char-attribute char latest-feature value)
+	    (save-char-attribute-table latest-feature)
+	    )
+	(www-html-display-paragraph
+	 "New feature-value is nil, so it is ignored (may be syntax error).")
+	)
       (princ (format "<h1>%s</h1>\n"
 		     (www-format-encode-string (char-to-string char))))
       (dolist (cell (sort (char-attribute-alist char)
 			  (lambda (a b)
 			    (char-attribute-name< (car a)(car b)))))
-	(princ "<p>")
-	(princ
-	 (www-format-eval-list
-	  (or (char-feature-property (car cell) 'format)
-	      '((name) " : " (value)))
-	  char (car cell) lang uri-char))
-	(princ
-	 (format " <a href=\"%s?char=%s&feature=%s\"
+	(setq feature-name (symbol-name (car cell)))
+	(setq logical-feature
+	      (if (string-match "[@/]\\$rev=latest$" feature-name)
+		  (intern (substring feature-name 0 (match-beginning 0)))
+		(car cell)))
+	(unless (memq logical-feature displayed-features)
+	  (push logical-feature displayed-features)
+	  (princ "<p>")
+	  (princ
+	   (www-format-eval-list
+	    (or (char-feature-property (car cell) 'format)
+		'((name) " : " (value)))
+	    char (car cell) lang uri-char))
+	  (princ
+	   (format " <a href=\"%s?char=%s&feature=%s\"
 ><input type=\"submit\" value=\"note\" /></a>"
-		 chise-wiki-edit-url
-		 (www-format-encode-string uri-char)
-		 (www-format-encode-string
-		  (www-uri-encode-feature-name
-		   (intern (format "%s*note" (car cell)))))))
-	(princ "</p>\n")
-	)
+		   chise-wiki-edit-url
+		   (www-format-encode-string uri-char)
+		   (www-format-encode-string
+		    (www-uri-encode-feature-name
+		     (intern (format "%s*note" (car cell)))))))
+	  (princ "</p>\n")
+	  ))
       (princ
        (format "<p><a href=\"%s?char=%s\"
 ><input type=\"submit\" value=\"add feature\" /></a></p>"
-- 
1.7.10.4