Re: m4 changequote bug

[Eric Blake]

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According to Josef Vukovic on 11/18/2009 10:26 PM:
> Hello,
> 
> I am searching for an old m4 version which have the Bug regarding
> changequote:
> 
> define(foo,000)
> changquote(<QUOTE>,<UNQUOTE>)
> define(baz,defn(<QUOTE>foo<UNQUOTE>))
> 
> should produce the error: m4: End of Input 0: fatal error: EOF in string

I'm not sure when that was fixed, but I confirmed that even as far back as
1.4.4 does not have that behavior.  Are you sure that was a real bug at
some point?  And, if I may ask, why do you care?  Anything older than
1.4.6 is not really usable with autoconf.

> 
> Where can I download one of the earliest GNU m4?

All available stable versions of GNU m4 are at ftp.gnu.org/pub/gnu/m4,
with some intermediate beta versions at alpha.gnu.org/gnu/m4.  Or you can
browse git history, which goes back to 1.4.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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