Re: undocumented M4 environment variable

[Hans Aberg]

On 29 May 2007, at 08:52, Paul Eggert wrote:

> > By the way, i also suggest that you use the environment variable  
> > "BISON_M4" instead of the very short "M4" for that purpose.
>
> This would have been a good suggestion when that feature was first
> added, but now I'm not so sure.  Perhaps people are depending on it?
>
> If we change things, I'd prefer it if we dropped all use of the
> environment variable: it's a recipe for trouble.

If one gets too many clashes, one can use programs like this:
  http://modules.sourceforge.net/

  Hans Aberg