--text follows this line--
Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.
Your bug report will be posted to the emacs-pretest-bug@gnu.org mailing list.
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
In 34.3.1.3 Backslash Constructs in Regular Expressions of Emacs Lisp
Reference ,
If a particular grouping construct in the regular expression was
never matched--for instance, if it appears inside of an
alternative that wasn't used, or inside of a repetition that
repeated zero times--then the corresponding `\DIGIT' construct
never matches anything. To use an artificial example,,
`\(foo\(b*\)\|lose\)\2' cannot match `lose': the second
alternative inside the larger group matches it, but then `\2' is
undefined and can't match anything. But it can match `foobb',
because the first alternative matches `foob' and `\2' matches
`b'.
After "To use an artificial example" , there are two commas .
PS. why can I not send bug in emacs ?
it says :Sending...failed with exit value 1
Thanks
If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/23.0.96/etc/DEBUG for instructions.
In GNU Emacs 23.0.96.1 (i686-pc-linux-gnu, GTK+ Version 2.16.1)
of 2009-07-09 on laptop
Windowing system distributor `The X.Org Foundation', version 11.0.10503000
configured using `configure '--prefix=/usr' '--build=i686-pc-linux-gnu' '--host=i686-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--program-suffix=-emacs-23' '--infodir=/usr/share/info/emacs-23' '--with-sound' '--with-x' '--without-toolkit-scroll-bars' '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xpm' '--with-xft' '--without-libotf' '--without-m17n-flt' '--with-x-toolkit=gtk' '--without-hesiod' '--without-kerberos' '--without-kerberos5' '--with-gpm' '--with-dbus' 'build_alias=i686-pc-linux-gnu' 'host_alias=i686-pc-linux-gnu' 'CFLAGS=-O2 -march=pentium-m -pipe' 'LDFLAGS=-Wl,-O1''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: en_US.UTF-8
value of $LC_CTYPE: zh_CN.UTF-8
value of $LC_MESSAGES: en_US.UTF-8
value of $LC_MONETARY: en_US.UTF-8
value of $LC_NUMERIC: en_US.UTF-8
value of $LC_TIME: en_US.UTF-8
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=SCIM
locale-coding-system: utf-8-unix
default-enable-multibyte-characters: t
Major mode: Info
Minor modes in effect:
show-paren-mode: t
display-time-mode: t
global-auto-complete-mode: t
desktop-save-mode: t
yas/minor-mode: t
auto-image-file-mode: t
shell-dirtrack-mode: t
tooltip-mode: t
tool-bar-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
global-auto-composition-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
abbrev-mode: t
Recent input:
<triple-down-mouse-5> <triple-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<down-mouse-5> <mouse-5> <double-down-mouse-5> <double-mouse-5>
<down-mouse-4> <mouse-4> <double-down-mouse-4> <double-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <down-mouse-4>
<mouse-4> <double-down-mouse-4> <double-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <help-echo>
<down-mouse-1> <mouse-1> <help-echo> <help-echo> <down-mouse-1>
<help-echo> <mouse-2> <help-echo> <down-mouse-5> <mouse-5>
<double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<triple-down-mouse-5> <triple-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <down-mouse-4> <mouse-4> <double-down-mouse-4>
<double-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<down-mouse-5> <mouse-5> <double-down-mouse-5> <double-mouse-5>
<triple-down-mouse-5> <triple-mouse-5> <down-mouse-4>
<mouse-4> <double-down-mouse-4> <double-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <down-mouse-5>
<mouse-5> <double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<down-mouse-4> <mouse-4> <double-down-mouse-4> <double-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <help-echo>
<help-echo> <down-mouse-1> <mouse-1> <help-echo> <help-echo>
<down-mouse-1> <mouse-1> <help-echo> <down-mouse-1>
<mouse-2> <help-echo> <down-mouse-5> <mouse-5> <double-down-mouse-5>
<double-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<triple-down-mouse-5> <triple-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<triple-down-mouse-5> <triple-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<down-mouse-4> <mouse-4> <double-down-mouse-4> <double-mouse-4>
<down-mouse-4> <mouse-4> <double-down-mouse-4> <double-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <down-mouse-4>
<mouse-4> <down-mouse-4> <mouse-4> <double-down-mouse-4>
<double-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <tool-bar> <Back in history> <help-echo>
<tool-bar> <Back in history> <help-echo> <help-echo>
<down-mouse-1> <mouse-2> <down-mouse-5> <mouse-5> <double-down-mouse-5>
<double-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<help-echo> <down-mouse-1> <mouse-2> <down-mouse-5>
<mouse-5> <double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<triple-down-mouse-5> <triple-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<triple-down-mouse-5> <triple-mouse-5> <down-mouse-5>
<mouse-5> <double-down-mouse-5> <double-mouse-5> <down-mouse-4>
<mouse-4> <double-down-mouse-4> <double-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <triple-down-mouse-4>
<triple-mouse-4> <triple-down-mouse-4> <triple-mouse-4>
<triple-down-mouse-4> <triple-mouse-4> <down-mouse-4>
<mouse-4> <down-mouse-5> <mouse-5> <double-down-mouse-5>
<double-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
<down-mouse-4> <mouse-4> <down-mouse-5> <mouse-5> <down-mouse-5>
<mouse-5> <double-down-mouse-5> <double-mouse-5> <down-mouse-5>
<mouse-5> <double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5>
<triple-mouse-5> <down-mouse-5> <mouse-5> <down-mouse-5>
<mouse-5> <down-mouse-5> <mouse-5> <down-mouse-5> <mouse-5>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <down-mouse-1> <mouse-1> C-x 1 <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <menu-bar> <help-menu> <se
nd-emacs-bug-report>
Recent messages:
bunzip2ing elisp-7.info.bz2...done
goto-history-element: Beginning of history; no preceding item [7 times]
200 matches (limit reached) [2 times]
byte-code: End of buffer
Mark set
No matches [6 times]
byte-code: End of buffer [5 times]
bunzip2ing elisp-8.info.bz2...done
byte-code: End of buffer [2 times]
bunzip2ing elisp-7.info.bz2...done