Incorrect acknowledgements regexp in add-log.el

[Brian P Templeton]

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In GNU Emacs 21.1.2 (i386-debian-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2001-11-16 on lupus
configured using `configure  --prefix=/usr --with-pop --with-gcc 
--libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info 
--sharedstatedir=/var/lib --localstatedir=/var/lib --with-tiff --with-xpm 
--with-jpeg --with-png --with-x --with-x-toolkit=athena --with-gif 
--enable-ipv6 i386-debian-linux-gnu'
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: C
  locale-coding-system: nil
  default-enable-multibyte-characters: t

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

In add-log.el, two spaces are hardwired into the Acknowledgements
regexp, presumably to match ``From'', ``Suggested by'', etc at the
beginning of a sentence (within add-log.el, use C-s Acknowledgements
to reach the line before the regexp). I think it should use `concat'
and the variable `sentence-end' instead. (Otherwise it forces authors
to use two spaces at the end of a sentence.)


Recent input:
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> C-g C-s A c k n o w l e d g e m e n t s 
. C-x 2 C-x o C-x b C <backspace> <return> <right> 
<right> <right> <right> <right> <right> <right> <right> 
<right> <right> <right> <right> C-k <tab> F r o m SPC 
t e s t . SPC SPC F r o m SPC t e s t . SPC F r o m 
SPC t e s t . <return> M-x r e p o r t - e m a c s 
- b u g <return>

Recent messages:
line-move: Beginning of buffer [2 times]
backward-char-nomark: Beginning of buffer [4 times]
Auto-saving...done
line-move: End of buffer
Auto-saving...done
byte-code: Quit
keyboard-quit: Quit [2 times]
isearch-abort: Quit
Mark saved where search started
Auto-saving...done

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