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* bug#58992: 28.2; "lax space matching" no longer works
@ 2022-11-03 16:53 Vincent Lefevre
  2022-11-03 17:04 ` Eli Zaretskii
  0 siblings, 1 reply; 53+ messages in thread
From: Vincent Lefevre @ 2022-11-03 16:53 UTC (permalink / raw)
  To: 58992


The Emacs manual says:

15.9 Lax Matching During Searching
==================================
[...]
   By default, search commands perform “lax space matching”: each space,
or sequence of spaces, matches any sequence of one or more whitespace
characters in the text.  (Incremental regexp search has a separate
default; see *note Regexp Search::.)  Hence, ‘foo bar’ matches
‘foo bar’, ‘foo  bar’, ‘foo   bar’, and so on (but not ‘foobar’).  More
[...]

This is working with GNU Emacs 27, but not with GNU Emacs 28.2
(tested under Debian/unstable).

To reproduce with emacs -Q, consider a file with

ab
cd
ab cd

and search for "b c" with

  C-s b c

Only the one in the 3rd line is found.


In GNU Emacs 28.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.34, cairo version 1.16.0)
 of 2022-10-29, modified by Debian built on x86-conova-01
Windowing system distributor 'The X.Org Foundation', version 11.0.12101004
System Description: Debian GNU/Linux bookworm/sid

Configured using:
 'configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/libexec
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-libsystemd --with-pop=yes
 --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/28.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --with-mailutils
 --with-native-compilation --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/libexec
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-libsystemd --with-pop=yes
 --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/28.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --with-mailutils
 --with-native-compilation --with-cairo --with-x=yes
 --with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
 -ffile-prefix-map=/build/emacs-SkJhIb/emacs-28.2+1=.
 -fstack-protector-strong -Wformat -Werror=format-security -Wall'
 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF
TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB

Important settings:
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: C.UTF-8
  value of $LC_TIME: en_DK.utf8
  value of $LANG: POSIX
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  display-time-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-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
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-11/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-11/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-11/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-12/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-12/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-12/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-13/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-13/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-13/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-14/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-14/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-14/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-15/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-15/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-15/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-3.5/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-3.5/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-3.5/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-3.6/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-3.6/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-3.6/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-3.7/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-3.7/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-3.7/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-7/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-7/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-7/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-8/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-8/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-8/tablegen-mode
/usr/share/emacs/site-lisp/llvm-10/llvm-mode hides /usr/share/emacs/site-lisp/llvm-9/llvm-mode
/usr/share/emacs/site-lisp/llvm-10/emacs hides /usr/share/emacs/site-lisp/llvm-9/emacs
/usr/share/emacs/site-lisp/llvm-10/tablegen-mode hides /usr/share/emacs/site-lisp/llvm-9/tablegen-mode
/usr/share/emacs/site-lisp/elpa/cmake-mode-3.24.2/cmake-mode hides /usr/share/emacs/site-lisp/elpa-src/cmake-mode-3.24.2/cmake-mode
/usr/share/emacs/site-lisp/elpa/cmake-mode-3.24.2/cmake-mode-autoloads hides /usr/share/emacs/site-lisp/elpa-src/cmake-mode-3.24.2/cmake-mode-autoloads
/usr/share/emacs/site-lisp/elpa/cmake-mode-3.24.2/cmake-mode-pkg hides /usr/share/emacs/site-lisp/elpa-src/cmake-mode-3.24.2/cmake-mode-pkg
/usr/share/emacs/site-lisp/elpa/po-mode-0.21/po-mode hides /usr/share/emacs/site-lisp/elpa-src/po-mode-0.21/po-mode
/usr/share/emacs/site-lisp/elpa/po-mode-0.21/po-mode-pkg hides /usr/share/emacs/site-lisp/elpa-src/po-mode-0.21/po-mode-pkg
/usr/share/emacs/site-lisp/elpa/po-mode-0.21/po-mode-autoloads hides /usr/share/emacs/site-lisp/elpa-src/po-mode-0.21/po-mode-autoloads
/usr/share/emacs/site-lisp/latex-cjk-thai/thai-word hides /usr/share/emacs/28.2/lisp/language/thai-word

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util rmail
rmail-loaddefs text-property-search time-date mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils cus-edit pp
cus-start wid-edit time cus-load cc-styles cc-align cc-engine cc-vars
cc-defs edmacro kmacro mmm-auto mmm-vars mmm-utils mmm-compat package
browse-url url url-proxy url-privacy url-expand url-methods url-history
url-cookie url-domsuf url-util mailcap url-handlers url-parse
auth-source eieio eieio-core eieio-loaddefs password-cache json map
url-vars comp comp-cstr warnings subr-x rx cl-seq cl-macs cl-extra
help-mode seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib
iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice button loaddefs faces cus-face macroexp files
window text-properties overlay sha1 md5 base64 format env code-pages
mule custom widget hashtable-print-readable backquote threads dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit x multi-tty make-network-process
native-compile emacs)

Memory information:
((conses 16 121759 7537)
 (symbols 48 11984 1)
 (strings 32 34388 5478)
 (string-bytes 1 1117991)
 (vectors 16 19182)
 (vector-slots 8 306771 8771)
 (floats 8 40 15)
 (intervals 56 282 0)
 (buffers 992 12))





^ permalink raw reply	[flat|nested] 53+ messages in thread

end of thread, other threads:[~2022-11-05 11:20 UTC | newest]

Thread overview: 53+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-11-03 16:53 bug#58992: 28.2; "lax space matching" no longer works Vincent Lefevre
2022-11-03 17:04 ` Eli Zaretskii
2022-11-03 17:21   ` Vincent Lefevre
2022-11-03 17:34     ` Vincent Lefevre
2022-11-03 18:05       ` Eli Zaretskii
2022-11-03 17:49     ` Gregory Heytings
2022-11-03 17:56       ` Vincent Lefevre
2022-11-03 18:02         ` Vincent Lefevre
2022-11-03 18:04           ` Gregory Heytings
2022-11-03 18:04           ` Vincent Lefevre
2022-11-03 18:11             ` Gregory Heytings
2022-11-03 18:18               ` Gregory Heytings
2022-11-03 18:28                 ` Vincent Lefevre
2022-11-03 18:39                   ` Eli Zaretskii
2022-11-03 18:43                   ` Gregory Heytings
2022-11-03 18:36                 ` Juri Linkov
2022-11-03 18:18               ` Eli Zaretskii
2022-11-03 18:02         ` Gregory Heytings
2022-11-03 18:03     ` Eli Zaretskii
2022-11-03 18:33       ` Vincent Lefevre
2022-11-03 18:42         ` Eli Zaretskii
2022-11-03 18:52           ` Vincent Lefevre
2022-11-03 19:22             ` Eli Zaretskii
2022-11-04  2:29               ` Vincent Lefevre
2022-11-04  3:38                 ` Vincent Lefevre
2022-11-04  7:25                   ` Eli Zaretskii
2022-11-04 10:46                     ` Vincent Lefevre
2022-11-04 11:50                       ` Eli Zaretskii
2022-11-04  7:14                 ` Eli Zaretskii
2022-11-04 10:41                   ` Vincent Lefevre
2022-11-04 10:56                     ` Vincent Lefevre
2022-11-04 11:52                       ` Eli Zaretskii
2022-11-04 13:04                         ` Vincent Lefevre
2022-11-04 13:40                           ` Eli Zaretskii
2022-11-04 11:48                     ` Eli Zaretskii
2022-11-04  3:30       ` Vincent Lefevre
2022-11-04  7:21         ` Eli Zaretskii
2022-11-04 10:15           ` Vincent Lefevre
2022-11-04 11:38             ` Andreas Schwab
2022-11-04 12:47               ` Vincent Lefevre
2022-11-04 13:25                 ` Andreas Schwab
2022-11-04 14:32                   ` Vincent Lefevre
2022-11-04 14:35                     ` Andreas Schwab
2022-11-04 15:02                       ` Vincent Lefevre
2022-11-04 15:24                         ` Andreas Schwab
2022-11-04 11:45             ` Eli Zaretskii
2022-11-04 13:56               ` Robert Pluim
2022-11-04 14:04                 ` Eli Zaretskii
2022-11-04 15:00                   ` Vincent Lefevre
2022-11-04 15:23                     ` Eli Zaretskii
2022-11-05  1:55                       ` Vincent Lefevre
2022-11-05  6:47                         ` Eli Zaretskii
2022-11-05 11:20                           ` Vincent Lefevre

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