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From: Philipp
Newsgroups: gmane.emacs.bugs
Subject: bug#30218: 27.0.50;
Possibly incorrect statement in manual about string equality
Date: Mon, 22 Jan 2018 23:50:16 +0100
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Archived-At:
The manual says in the section "Equality Predicates":
For technical reasons, a unibyte string
and a multibyte string are =E2=80=98equal=E2=80=99 if and only if they=
contain the
same sequence of character codes and all these codes are either in
the range 0 through 127 (ASCII) or 160 through 255
(=E2=80=98eight-bit-graphic=E2=80=99).
However, that doesn't seem to be the case:
(equal (string #xA0) (unibyte-string #xA0)) =3D> nil
(equal (string #x3FFFA0) (unibyte-string #xA0)) =3D> nil
In GNU Emacs 27.0.50 (build 10, x86_64-apple-darwin17.3.0, NS appkit-1561.2=
0 Version 10.13.2 (Build 17C205))
of 2018-01-22 built on p
Repository revision: 3558d96b60393893a346f4382b813ca0738f9d9b
Windowing system distributor 'Apple', version 10.3.1561
System Description: Mac OS X 10.13.2
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Configured using:
'configure --without-threads --with-modules --without-pop
--with-mailutils --enable-gcc-warnings=3Dyes --enable-checking
--enable-check-lisp-object-type 'CFLAGS=3D-ggdb3 -O0''
Configured features:
NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS MODULES JSON
Important settings:
value of $LANG: de_DE.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-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
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auto-encryption-mode: t
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line-number-mode: t
transient-mark-mode: t
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None found.
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(shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv
bytecomp byte-compile cconv cl-loaddefs cl-lib dired dired-loaddefs
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Memory information:
((conses 16 204836 8305)
(symbols 48 20154 1)
(miscs 40 57 148)
(strings 32 28905 2033)
(string-bytes 1 771731)
(vectors 16 35241)
(vector-slots 8 721872 13820)
(floats 8 52 64)
(intervals 56 208 0)
(buffers 992 11))