Eric Blake bc9d68de41 Add AS_VAR_ARITH. ... * lib/m4sugar/m4sh.m4 (_AS_VAR_ARITH_PREPARE, _AS_VAR_ARITH_WORKS) (AS_VAR_ARITH): New macros. (_AS_PREPARE, AS_PREPARE): Emit preparation. * tests/m4sh.at (AS@&t@_VAR_ARITH): New test. * doc/autoconf.texi (Polymorphic Variables) <AS_VAR_ARITH>: Document new macro. (Limitations of Usual Tools) <expr>: Mention portability problem if first argument starts with -. (Shell Substitutions) <$((expression))>: Mention it. * NEWS: Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>		2008-10-27 16:11:56 -06:00
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.cvsignore
.gitignore	Generate web docs for 2.62.	2008-04-08 15:01:38 -06:00
autoconf.texi	Add AS_VAR_ARITH.	2008-10-27 16:11:56 -06:00
fdl.texi	Sync upstream files from gnulib.	2008-01-24 19:35:56 +01:00
install.texi	Warn about /usr/ucb on Solaris.	2008-10-06 21:48:28 +02:00
make-stds.texi	Update some files from upstream.	2008-08-06 08:22:14 -06:00
Makefile.am	Avoid some autoreconf -Wall warnings.	2008-04-05 09:24:18 -06:00
standards.texi	Update some files from upstream.	2008-08-06 08:22:14 -06:00