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Re: Bison test version 2.0a released

From: Hans Aberg
Subject: Re: Bison test version 2.0a released
Date: Mon, 23 May 2005 23:37:45 +0200

At 13:16 -0700 2005/05/23, Paul Eggert wrote:
Hans Aberg <address@hidden> writes:

 > What is so special about m4-1.4.3?

It's because I don't want to worry about bugs in m4 1.4.2 that were
fixed in 1.4.3.  (I don't even want to have to worry about cataloging
the bugs and documenting them.  :-)

Then perhaps there should perhaps be a more formal formulation: "bison-2a is only supported for use with m4-1.4.3", perhaps with an explanation that bison might work with earlier versions of m4, but there are no guarantees.

In addition, I think Bison should make some check for version of m4. For example, if bison is run, and m4 is old, a warning should perhaps be issued. And when people report bugs, there should perhaps be a printout of some sort, showing which m4 version was used.
  Hans Aberg

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