(?.): New character category for

Base characters.  Set them in the standard category table.

lisp/ChangeLog

@@ -1,3 +1,11 @@
+2009-02-12  Kenichi Handa  <handa@m17n.org>
+
+	* international/characters.el (?.): New character category for
+	Base characters.  Set them in the standard category table.
+
+	* composite.el: Use "\\c." instead of "[[:alpha:]]" to match with
+	a base character.
+
 2009-02-12  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* isearch.el (isearch-yank-char-in-minibuffer)

lisp/international/characters.el

@@ -110,9 +110,11 @@ A character which can't be placed at beginning of line.")
 (define-category ?< "Not at eol
 A character which can't be placed at end of line.")
 
-;; Combining
+;; Base and Combining
+(define-category ?. "Base
+Base characters (Unicode General Category L,N,P,S,Zs)")
 (define-category ?^ "Combining
-Combining diacritic or mark")
+Combining diacritic or mark (Unicode General Category M")
 
 ;;; Setting syntax and category.
 
@@ -1049,7 +1051,6 @@ Setup char-width-table appropriate for non-CJK language environment."
   (setq char-width-table (char-table-parent cjk-char-width-table)))
 
 (optimize-char-table (standard-case-table))
-(optimize-char-table (standard-category-table))
 (optimize-char-table (standard-syntax-table))
 
 
@@ -1182,6 +1183,15 @@ Setup char-width-table appropriate for non-CJK language environment."
     table))
 
 (setq unicode-category-table (build-unicode-category-table))
+(map-char-table #'(lambda (key val)
+		    (if (and val
+			     (or (and (/= (aref (symbol-name val) 0) ?M)
+				      (/= (aref (symbol-name val) 0) ?C))
+				 (eq val 'Zs)))
+			(modify-category-entry key ?.)))
+		unicode-category-table)
+
+(optimize-char-table (standard-category-table))
 
 
 ;;; Setting word boundary.