manual: clarify m4_if synopsis.

* doc/autoconf.texi (Redefined M4 Macros): Rewrite synopsis of
m4_if in the presence of more than three arguments.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

diff --git a/ChangeLog b/ChangeLog
index 587b873238ce018a35dba47bee5a74ecc85e9502..055a30dd5c675f762e8f3b3dfd946306fe5ee593 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2009-04-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+       manual: clarify m4_if synopsis.
+       * doc/autoconf.texi (Redefined M4 Macros): Rewrite synopsis of
+       m4_if in the presence of more than three arguments.
+
        Improve and clarify `config.status' usage documentation.
        * doc/autoconf.texi (config.status Invocation): Fix markup in
        synopsis.  Use `tag' instead of `file' notation for the

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index b0e758efd536c87f15df4f7a9e5359af5b5ec49f..e6fd489c3dcb800ecdfef05c49d28cace9fd906e 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -10637,7 +10637,8 @@ This macro corresponds to @code{m4exit}.
 
 @defmac m4_if (@var{comment})
 @defmacx m4_if (@var{string-1}, @var{string-2}, @var{equal}, @ovar{not-equal})
-@defmacx m4_if (@var{string-1}, @var{string-2}, @var{equal}, @dots{})
+@defmacx m4_if (@var{string-1}, @var{string-2}, @var{equal-1}, @
+  @var{string-3}, @var{string-4}, @var{equal-2}, @dots{}, @ovar{not-equal})
 @msindex{if}
 This macro corresponds to @code{ifelse}.  @var{string-1} and
 @var{string-2} are compared literally, so usually one of the two