bug in regexp search

[Alex Ott]

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In GNU Emacs 21.2.1 (i586-alt-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2002-07-20 on altair.office.altlinux.ru
configured using `configure  i586-alt-linux --prefix=/usr --exec-prefix=/usr 
--bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share 
--includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/lib 
--localstatedir=/var/lib --sharedstatedir=/usr/com --mandir=/usr/share/man 
--infodir=/usr/share/info --without-included-gettext --sharedstatedir=/var 
--with-gcc --with-pop --with-x-toolkit --with-png --with-jpeg --with-xpm 
--with-gif --with-tiff'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: ru_RU.KOI8-R
  value of $LC_CTYPE: ru_RU.KOI8-R
  value of $LC_MESSAGES: ru_RU.KOI8-R
  value of $LC_MONETARY: ru_RU.KOI8-R
  value of $LC_NUMERIC: C
  value of $LC_TIME: nil
  value of $LANG: ru_RU.KOI8-R
  locale-coding-system: cyrillic-koi8
  default-enable-multibyte-characters: t

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

When text readed from process in 'binary coding, then function
re-search-forward work not properly. This error arise, when i read my mail
from pop3 with gnus. 

Expression (re-search-forward "^\\.\r\n" nil t) match on string where dot
set in last position of string, and string contain russian letter r (in
koi8-r encoding).

Thus my mail split in bad point and i loss my information

Here example of info from pop3, that will split buggy.

-- 
With best wishes, Alex Ott
-------------------------------
Jet Infosystems, Moscow, Russia    mailto: ottalex@narod.ru
http://xtalk.msk.su/~ott/          ICQ #22005116