Suggestion for query-replace-regexp

[Tom Tromey]

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In GNU Emacs 20.5.1 (i386-redhat-linux-gnu, X toolkit)
 of Mon Feb 21 2000 on porky.devel.redhat.com
configured using `configure  --prefix=/usr --libexecdir=/usr/lib 
--sharedstatedir=/var --with-gcc --with-pop --with-x-toolkit 
i386-redhat-linux-gnu'

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


I think it would be convenient if query-replace-regexp could somehow
display the replacement.  Right now it highlights the text to be
replaced, which is very nice, but it would help to see what it plans
to do with the text.  Alternatively, differently highlighting the
match info, or even better the match info that is used by the
replacement text, would also help.  Sometimes it isn't easy to look
and see what part of the text will be used for a given part of the
match info.


Recent input:
C-u C-p C-l C-x C-s C-u C-u C-p C-l C-u C-p C-p C-p 
C-p C-u C-u M-g # [ 0 - 9 ] + = [ < ] \ ( . * \ ) [ 
> ] return \ 1 return y q C-/ C-u M-g M-p M-p C-u C-f 
C-u C-f C-f C-f C-f C-f C-b [ a - z A - Z ] + S-SPC 
return \ 1 return y y y y y y y y M-x b u g - e m tab 
M-backspace M-backspace e m tab M-backspace r e p o 
r tab return

Recent messages:
Mark set
Wrote /x2/tromey/gnu/egcs/mauve/verify/exception/pass/merge.j
Mark set
Replaced 1 occurrence
Undo!
Mark set
Replaced 8 occurrences
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Tom