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\t not correctly processed in query-replace-regexp


From: Paul vL
Subject: \t not correctly processed in query-replace-regexp
Date: Thu, 16 Sep 2004 19:41:11 +0800

This bug report will be sent to the Free Software Foundation,
not to your local site managers!
Please write in English, because the Emacs maintainers do not have
translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing list,
and to the gnu.emacs.bug news group.

In GNU Emacs 21.3.1 (i386-mingw-nt5.0.2195)
 of 2004-03-10 on NYAUMO
configured using `configure --with-gcc (3.2)'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

when using a character class with \t, the \t is not recognised:
[ \t]+ will not match a sequence of spaces and tabs.
using C-q to insert a literal tab character does work;
[  ]+ will match a sequence of spaces and tabs.

it is stated in the "syntax
of regular expressions" section of the emacs manual/info file that :
" `\"' stands for a double-quote as part of
the regexp, `\\' for a backslash as part of the regexp, `\t' for a tab,
and `\n' for a newline. "
and it even gives an example which uses \t for tabs:
"[.?!][]\"')]*\\($\\| $\\|\t\\|  \\)[ \t\n]*"

Regards,
Paul


Recent input:
n n n n n n n n n n n n n n n n n n n n n q <down-mouse-1> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-1> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <help-echo> 
u <up> <return> <down-mouse-1> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-1> C-M-% t 
e x t [ SPC C-` <tab> ] + n o c a s e <return> <return> 
y y y y y y y y y y y ! C-x C-s <menu-bar> <help-menu> 
<report-emacs-bug>

Recent messages:
query-replace-regexp: Quit
Mark set
Replaced 0 occurrences
Loading phexl...done
Mark set
Replaced 0 occurrences
Mark set
Replaced 14 occurrences
Wrote c:/project/rhapsody/archive/nasm2c/nasm.c3po
Loading emacsbug...done

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