Re: adding URL to --help output

[Eric Blake]

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According to Ralf Wildenhues on 1/28/2009 12:50 AM:
> Overall the series looks ok to me.  `./config.status --version' output
> of Autoconf itself (re-autoreconf'ed) is missing a year, though.  Is
> that tested?

Thanks; I missed that RELEASE_YEAR was not AC_SUBST'd, just defined in
bin/Makefile.am; copying it to tests/Makefile.am fixed it.  With patch 4
amended, I've now pushed the series.

> Why go backward incompatible if you don't have to?

As far as I can tell, no one uses the second argument.  But if we wanted
to preserve backwards compatibility, we could do:

m4_define([AC_COPYRIGHT],
[m4_if([$#], [2],
       [m4_ifdef([_m4_divert($2)], <$2 is diversion name>,
                 <$2 is filter>)],
       [<$2 is diversion name or empty, $3 is filter or empty>])])

But that's all idle talk until we decide that it is worthwhile to document
the filter argument of AC_COPYRIGHT or m4_copyright_condense; for now I'm
happy to leave them as use-at-your-own-risk internals.

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

Eric Blake             address@hidden
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