Re: New hook before-region-change-functions wanted

[Richard Stallman]

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  > > The other approach has the virtue of being entirely internal.  It will
  > > not require an announcement, or adding to the Lisp manual.

  > Yes.  This other approach is slightly more difficult to debug with, but
  > not unreasonably so.

Just from curiosity, why is it more difficult to debug with?
Since it has no effect on behavior, and its only effect is to speed
up some cases, I'd expect it to have no effect on debugging.

Is there something I am missing?

-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
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