Re: awk for config headers

[Paul Eggert]

Ralf Wildenhues <address@hidden> writes:

> Hmm, Solaris awk has `index', but Autoconf's manual says:
> |      Traditional Awk supports only the predefined functions `exp',
> |      `int', `length', `log', `split', `sprintf', `sqrt', and `substr'.
>
> Which is why I tried to avoid it.  ;-)

Sorry, that's a bug in the manual; traditional Awk supported 'index'.
I fixed it as described below.

> If you can assert that `index' is safe to use, I'll apply the patch.

Please go ahead.

2007-10-08  Paul Eggert  <address@hidden>

        * doc/autoconf.texi (Limitations of Usual Tools): V7 awk had 'index'.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index b41aee6..29161d0 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -13657,7 +13657,7 @@ or @address@hidden@var{b}}.

 Traditional Awk does not support the predefined @code{CONVFMT} variable.

-Traditional Awk supports only the predefined functions @code{exp},
+Traditional Awk supports only the predefined functions @code{exp}, 
@code{index},
 @code{int}, @code{length}, @code{log}, @code{split}, @code{sprintf},
 @code{sqrt}, and @code{substr}.