bug#73018: 31.0.50; wdired + replace-regexp only modifies the visible portion of the buffer

[Madhu]

*  Madhu <enometh@meer.net> 
<20240904.142831.1583368143272051709.enometh@meer.net>
Wrote on Wed, 04 Sep 2024 14:28:31 +0530 (IST)
> produces the backtrace in the file backtrace.txt with the match-data
> clobbered error. At this point (i.e. after the error occurs) if I do
> "M-x load-library wdired", then a subsequent replace-regexp operation
> succeeds.  However in a long running emacs I believe I still see the
> match-data clobbered error crops up again, I'm keeping a lookout on
> what might be triggering that.

I think this error goes away with an ;;;###autoload cookie for
wdired--before-change-fn in wdired.el

(The actual sequence of events is obscure)