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Re: Why have a #if .... #else .... #endif construct in Emacs Lisp, when

From: Richard Stallman
Subject: Re: Why have a #if .... #else .... #endif construct in Emacs Lisp, when we could make the existing code DTRT unchanged?
Date: Mon, 04 Sep 2023 20:30:25 -0400

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  > How about making the byte compiler recognize the construct
  >  (if (< emacs-major-version NUMBER) ...)

  > and do this optimization on it?

People seem not to have considered this seriously, but I have not seen
any serious discussion of a drawback.  What flaw or drawback do people
see in it?  It should optimize the existing the existing code with no
change at all.  Isn't that just perfect?

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)

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