X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/b35f288d478ef137a4d9e8e5a6a5f368a86b01f5..3ff786247389f0eb280defb0389d690ee3610bf8:/lisp/case-table.el

diff --git a/lisp/case-table.el b/lisp/case-table.el
index 3c94db9b0a..53d30bf281 100644
--- a/lisp/case-table.el
+++ b/lisp/case-table.el
@@ -1,7 +1,7 @@
 ;;; case-table.el --- code to extend the character set and support case tables
 
 ;; Copyright (C) 1988, 1994, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;;   2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 ;; Author: Howard Gayle
 ;; Maintainer: FSF
@@ -39,19 +39,25 @@
   (let ((description (make-char-table 'case-table)))
     (map-char-table
      (function (lambda (key value)
-		 (if (consp key)
-		     (set-char-table-range description key "case-invariant")
-		   (aset
-		    description key
-		    (cond ((not (natnump value))
-			   "case-invariant")
-			  ((/= key (downcase key))
-			   (concat "uppercase, matches "
-				   (char-to-string (downcase key))))
-			  ((/= key (upcase key))
-			   (concat "lowercase, matches "
-				   (char-to-string (upcase key))))
-			  (t "case-invariant"))))))
+		 (if (not (natnump value))
+		     (if (consp key)
+			 (set-char-table-range description key "case-invariant")
+		       (aset description key "case-invariant"))
+		   (let (from to)
+		     (if (consp key)
+			 (setq from (car key) to (cdr key))
+		       (setq from (setq to key)))
+		     (while (<= from to)
+		       (aset
+			description from
+			(cond ((/= from (downcase from))
+			       (concat "uppercase, matches "
+				       (char-to-string (downcase from))))
+			      ((/= from (upcase from))
+			       (concat "lowercase, matches "
+				       (char-to-string (upcase from))))
+			      (t "case-invariant")))
+		       (setq from (1+ from)))))))
      (current-case-table))
     (save-excursion
      (with-output-to-temp-buffer "*Help*"