Re: Need help finding a past discussion

[Richard Stallman <rms@gnu.org>]

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  > A year or two ago, I remember a discussion here about something like
  > a hook where we wanted to make an incompatible change which required
  > somehow distinguishing those functions that expected the old behavior
  > from those that expected the new one.

  > Maybe the change was about making the hook function return another
  > function, so they could be called in two steps and passed arguments at
  > two separate times.

  > I vaguely also remember that we mentioned relying on symbol properties
  > (when the function was represented as a symbol) to distinguish the kind
  > of function at hand.

I don't remember this, but I have a feeling there would be a less
convoluted fix.

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)