Re: AC_DEFINE_UNQUOTED doc update

[Ralf Wildenhues]

* Paul Eggert wrote on Fri, Apr 29, 2005 at 09:26:53PM CEST:
> Ralf Wildenhues <address@hidden> writes:
> 
> > the documentation should also mention the need for double-m4-quoted
> > second argument in order to achieve this.
> 
> Sorry, I don't understand this point.  For example:
> 
> > -AC_DEFINE_UNQUOTED(GETGROUPS_T, $ac_cv_type_getgroups,
> > +AC_DEFINE_UNQUOTED(GETGROUPS_T, [$ac_cv_type_getgroups],
> 
> The added quotes here don't change the meaning, since
> ac_cv_type_getgroups is not a macro.  And if ac_cv_type_getgroups were
> a macro and you didn't want it invoked (ouch!), you'd need
> double-quotes.

My point was bogus, as Stepan rightly explained to me.

> > The text does not specify exactly what `simple text' in m4 context
> > is, and I just don't understand the reason against telling users to
> > quote every argument at least once.
> 
> Thanks for mentioning that.  I installed the following to try to
> help clarify things.

Thank you for the doc update (and also for taking my AT_KEYWORDS
patch!).

Regards,
Ralf

> 2005-04-29  Paul Eggert  <address@hidden>
> 
>       * doc/autoconf.texi (Autoconf Language): Add more description
>       about quoting heuristics.