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[debbugs-tracker] bug#23833: closed (24.5; assoc-string with CASE-FOLD m

From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#23833: closed (24.5; assoc-string with CASE-FOLD may fail)
Date: Thu, 23 Jun 2016 15:13:02 +0000

Your message dated Thu, 23 Jun 2016 18:11:34 +0300
with message-id <address@hidden>
and subject line Re: bug#23833: 24.5; assoc-string with CASE-FOLD may fail
has caused the debbugs.gnu.org bug report #23833,
regarding 24.5; assoc-string with CASE-FOLD may fail
to be marked as done.

(If you believe you have received this mail in error, please contact

23833: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23833
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: 24.5; assoc-string with CASE-FOLD may fail Date: Thu, 23 Jun 2016 21:01:03 +0900
`assoc-string' called with non-nil CASE-FOLD argument may fail to match
with downcased key.

(let (l)
  (dotimes (c (max-char))
    (or (let ((s (string c)))
          (assoc-string (downcase s) (list s) t))
        (setq l (cons c l))))
=>(497 458 455 452)

In GNU Emacs 24.5.1 (i686-pc-mingw32)
 of 2015-04-11 on LEG570
Windowing system distributor `Microsoft Corp.', version 6.0.6002
Configured using:
 `configure --prefix=/c/usr --host=i686-pc-mingw32'

Important settings:
  value of $LANG: JPN
  locale-coding-system: cp932

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent messages:

C-h C-b is undefined

Load-path shadows:
None found.

(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils advice help-fns time-date japan-util
tooltip electric uniquify ediff-hook vc-hooks lisp-float-type mwheel
dos-w32 ls-lisp w32-common-fns disp-table w32-win w32-vars tool-bar dnd
fontset image regexp-opt fringe tabulated-list newcomment lisp-mode
prog-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
minibuffer nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
w32notify w32 multi-tty emacs)

Memory information:
((conses 8 76911 6828)
 (symbols 32 17601 0)
 (miscs 32 34 127)
 (strings 16 11124 3996)
 (string-bytes 1 279109)
 (vectors 8 10463)
 (vector-slots 4 464483 4962)
 (floats 8 57 134)
 (intervals 28 185 22)
 (buffers 508 12))

--- End Message ---
--- Begin Message --- Subject: Re: bug#23833: 24.5; assoc-string with CASE-FOLD may fail Date: Thu, 23 Jun 2016 18:11:34 +0300
> From: Noam Postavsky <address@hidden>
> Date: Thu, 23 Jun 2016 08:26:22 -0400
> Cc: address@hidden
> assoc-string uses compare-strings, which uses upcase to ignore case,
> but upcase is not always the inverse of downcase:
> (upcase (downcase "DZ")) ;=> "Dz"
> ;; Or to put it another way
> (= (upcase (downcase ?\u01F1)) ?\u01F2) ;=> t
> Same behaviour seen in emacs-25 and master


This is a documentation issue: both 'assoc-string' and
'compare-strings' had inaccuracies in their doc strings.  I fixed this
on the emacs-25 branch, and I'm marking this bug done.

--- End Message ---

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