non selected windows code borked

[stark <stark@enterprisedb.com>]

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In GNU Emacs 21.4.1 (i486-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2006-05-14 on trouble, modified by Debian
configured using `configure '--build=i486-linux-gnu' '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--with-x=yes' '--with-x-toolkit=athena' 'CFLAGS=-DDEBIAN -g -O2' 'build_alias=i486-linux-gnu' 'host_alias=i486-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: en_GB
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: nil

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


The logic to detect "non-selected-windows" seems to get it wrong as often as
it gets it right. I'm typing right now with a hollow cursor for example. I
can't tell when it happens, it happens more often than not though.
Occasionally I'm pleasantly surprised to find it isn't happening.


Usually this just means I can't tell which window is active since they all
have hollow cursors. But it gets really painful when something sets
cursor-in-non-selected-windows to nil -- then I'm typing entirely blind.
Incidentally I find it somewhat offensive that some packages set this
variable, shouldn't it be a user choice?

I'm using Xorg from the Debian package version 1:7.0.22. My window manager is
BOG standard twm from the Debian package version 1:1.0.1-4. I can't imagine
what else might relate to this. I'm not even running any GUI programs with a
tendency to grab the mouse, just a couple xterms.





Recent input:
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-v C-x o <switch-frame> 
C-v <down-mouse-1> <switch-frame> <mouse-1> C-v <down-mouse-1> 
<mouse-1> c u r s o r - i n - n o n <tab> <return> 
t <return> <switch-frame> C-n C-n C-n <switch-frame> 
<down-mouse-1> <mouse-1> C-n C-n C-n C-p C-l <escape> 
x b u g - e m a c s <return> <M-backspace> <M-backspace> 
e m <backspace> <backspace> r e p o r <tab> <retur
n>

Recent messages:
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-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com