Re-loading a really large TAGS buffer generates a spurious warning

about undo info being discarded.  TAGS buffers have no need for undo

info!  Why not just disable undo in TAGS and BROWSE and similar

buffers?

 

  -- MJF

 

In GNU Emacs 22.1.1 (i386-mingw-nt5.1.2600)  of 2007-06-02 on RELEASE

Windowing system distributor `Microsoft Corp.', version 5.1.2600

configured using `configure --with-gcc (3.4) --cflags

-Ic:/gnuwin32/include' 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: cp1252   default-enable-multibyte-characters: t

Major mode: C/lw Minor modes in effect:   global-balanced-mode: t  

balanced-mode: t   hrule-mode: t   c-subword-mode: t  

hide-ifdef-mode: t   global-hi-lock-mode: t   hi-lock-mode: t  

show-paren-mode: t   recentf-mode: t   global-reveal-mode: t  

reveal-mode: t   global-c-subword-mode: t   shell-dirtrack-mode: t  

cua-mode: t   encoded-kbd-mode: t   tooltip-mode: t  

mouse-wheel-mode: t   menu-bar-mode: t   file-name-shadow-mode: t  

global-font-lock-mode: t   font-lock-mode: t   blink-cursor-mode: t  

unify-8859-on-encoding-mode: t   utf-translate-cjk-mode: t  

auto-compression-mode: t   column-number-mode: t   line-number-mode: t  

transient-mark-mode: t   abbrev-mode: t Recent input: <up> <help-echo>

<down-mouse-1> <drag-mouse-1> <return>  <return> D Y N N O D E S S-SPC

a t t a c h e d SPC  t o SPC w i d g e t s <home> M-u M-u M-u M-u

<return>  * S-SPC SPC 4 : 4 5 SPC - SPC ? ? <S-backspace> : ?  ?

<select-window> <select-window> <select-window> <up>  <up> <up> <up>

<up> <up> <up> C-x 0 C-x b u i <return>  <down> <down> <down> C-x C-h

C-x C-f C-g C-x b u i  c o r <return> <down> <down> <down> <down>

<down> <down>  <down> <down> <down> <down> <down> <down> <down> <down> 

<down> <down> <down> <down> <down> <down> <down> <down>  <down> <down>

<down> <down> <down> <down> <down> <down>  <down> <down> <down> <down>

<down> <down> <down> <down>  <down> <down> <down> <down> <down> <down>

<down> <down>  <down> <down> <down> <down> <down> <wheel-down>

<double-wheel-down>  <triple-wheel-down> <triple-wheel-down>

<wheel-down>  <double-wheel-down> <triple-wheel-down>

<triple-wheel-down>  <triple-wheel-down> <wheel-down>

<double-wheel-down>  <triple-wheel-down> <triple-wheel-down>

<wheel-down>  <double-wheel-down> <triple-wheel-down>

<triple-wheel-down>  <triple-wheel-down> <wheel-down>

<double-wheel-down>  <triple-wheel-down> <triple-wheel-down>

<triple-wheel-down>  <wheel-down> <double-wheel-down>

<triple-wheel-down>  <triple-wheel-down> <triple-wheel-down>

<wheel-down>  <double-wheel-down> <triple-wheel-down> <wheel-down> 

<double-wheel-down> <triple-wheel-down> <triple-wheel-down> 

<wheel-down> <double-wheel-down> <triple-wheel-down> 

<triple-wheel-down> <wheel-down> <double-wheel-down> 

<triple-wheel-down> <wheel-down> <double-wheel-down> 

<triple-wheel-down> <wheel-down> <double-wheel-down> 

<triple-wheel-down> <triple-wheel-down> <wheel-down> 

<double-wheel-down> <triple-wheel-down> <up> <down>  <select-window>

<help-echo> <select-window> <help-echo>  <up> <up> <up> <apps> r u n

SPC u p <tab> <return>  <select-window> <help-echo> <select-window>

<help-echo>  C-x b s c r a <return> <C-home> <down> <down> <down> 

<select-window> <select-window> <help-echo> <escape>  <escape>

<escape> <escape> <escape> <escape> C-x 4  b s <backspace> a s y

<return> <down> <down> <down>  <up> C-x <up> <up> <up> <C-home> C-x 4

0 <down> <down>  <down> <down> <down> <down> <down> <down> <down>

<down>  M-. <return> y <up> y <wheel-down> <wheel-down> <help-echo> 

<select-window> <wheel-down> <wheel-down> <wheel-down> 

<double-wheel-down> <triple-wheel-down> <wheel-down> 

<double-wheel-down> <wheel-down> <double-wheel-down> 

<triple-wheel-down> <triple-wheel-down> <triple-wheel-down> 

<wheel-down> <double-wheel-down> <triple-wheel-down> 

<triple-wheel-down> <select-window> <help-echo> <help-echo> 

<help-echo> <help-echo> <help-echo> <help-echo> <menu-bar> 

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