--- 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))))
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:
Quit
C-h C-b is undefined
Load-path shadows:
None found.
Features:
(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
Thanks.
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 ---