mouse-buffer-menu buffer menu in Emacs 21.1

[Gregory A. Shimansky]

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In GNU Emacs 21.1.2 (sparc-sun-solaris2.8, Motif Version 2.1.0)
 of 2001-10-26 on fundin
configured using `configure  --prefix=/home/gregory/opt/emacs --without-xim 
--with-x-toolkit=motif'
Important settings:
  value of $LC_ALL: ru_RU.KOI8-R
  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: ru_RU.KOI8-R
  value of $LC_TIME: ru_RU.KOI8-R
  value of $LANG: ru_RU.KOI8-R
  locale-coding-system: cyrillic-koi8
  default-enable-multibyte-characters: nil

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

I have just noticed that buffer menu that is called with C-down-mouse-1
(mouse-buffer-menu) does not switch buffers for me any more (after I
switched to 21.1 from 20.7). When I select a buffer in menu, it just
disappears with no effect. My customization is not the cause, I have the
same behavior when I run emacs with -q -no-site-file. The buffer menu on
the menu bar still works.


Recent input:
<down> M-x s p e e <tab> <return> <switch-frame> <switch-frame> 
<switch-frame> C-x 5 2 <switch-frame> M-x g n u s - 
n o <tab> <return> <return> <switch-frame> <switch-frame> 
<switch-frame> <down> <end> <home> <down> <end> <down> 
<down> <home> <up> <up> <up> <up> # # # # # # # B <delete> 
y q l s <switch-frame> <up> SPC <backspace> <f2> <next> 
<switch-frame> M-x r e p o <tab> r t - e m a <tab> 
<return>

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-- 
Gregory