\t not correctly processed in query-replace-regexp

["Paul vL" <litter@graffiti.net>]

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Please write in English, because the Emacs maintainers do not have
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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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