-;;; soundex.el -- implement Soundex algorithm
+;;; soundex.el --- implement Soundex algorithm
-;; Copyright (C) 1993 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
;; Author: Christian Plaunt <chris@bliss.berkeley.edu>
-;; Maintainer: FSF
+;; Maintainer: FSF
;; Keywords: matching
;; Created: Sat May 15 14:48:18 1993
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; The Soundex algorithm maps English words into representations of
;; how they sound. Words with vaguely similar sound map to the same string.
-;;; Code:
+;;; Code:
(defvar soundex-alist
- '((?A . nil) (?E . nil) (?H . nil) (?I . nil) (?O . nil) (?U . nil)
- (?W . nil) (?Y . nil) (?B . "1") (?F . "1") (?P . "1") (?V . "1")
+ '((?B . "1") (?F . "1") (?P . "1") (?V . "1")
(?C . "2") (?G . "2") (?J . "2") (?K . "2") (?Q . "2") (?S . "2")
(?X . "2") (?Z . "2") (?D . "3") (?T . "3") (?L . "4") (?M . "5")
(?N . "5") (?R . "6"))
(let* ((word (upcase word)) (length (length word))
(code (cdr (assq (aref word 0) soundex-alist)))
(key (substring word 0 1)) (index 1) (prev-code code))
- ;; once we have a four char key, were done
+ ;; once we have a four char key, we're done
(while (and (> 4 (length key)) (< index length))
;; look up the code for each letter in word at index
(setq code (cdr (assq (aref word index) soundex-alist))
;("E460" "G200" "H416" "K530" "L300" "L222"
; "E460" "G200" "H416" "K530" "L300" "L222")
-;; soundex.el ends here
+(provide 'soundex)
+
+;;; arch-tag: b2615a98-feb7-430e-a717-171086738953
+;;; soundex.el ends here