Introduce @ovar from Autoconf.

* doc/automake.texi (@ovar): New macro, from autoconf.texi.
(Python): Use it.
Suggestion by Eric Blake.

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

diff --git a/ChangeLog b/ChangeLog
index 678e91530343d5b774a767ec24f9602549634b10..c054c5d0a50d41c53f2a099284eef172d07944bf 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-03-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * doc/automake.texi (@ovar): New macro, from autoconf.texi.
+       (Python): Use it.
+       Suggestion by Eric Blake.
+
 2008-03-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
        * lib/texinfo.tex: Sync from upstream.

diff --git a/doc/automake.texi b/doc/automake.texi
index eb86e45ac237cda2f6c71b75bcd4dc0cc81cb054..c326c89ba1da2b093761cae3020f30d248dc7d8f 100644 (file)
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -7,6 +7,14 @@
 
 @include version.texi
 
+@c @ovar(ARG, DEFAULT)
+@c -------------------
+@c The ARG is an optional argument.  To be used for macro arguments in
+@c their documentation (@defmac).
+@macro ovar{varname}
+@r{[}@var{\varname\}@r{]}
+@end macro
+
 @copying
 
 This manual is for @acronym{GNU} Automake (version @value{VERSION},
@@ -7273,7 +7281,7 @@ files in your @file{Makefile.am}, depending where you want your files
 installed (see the definitions of @code{pythondir} and
 @code{pkgpythondir} below).
 
-@defmac AM_PATH_PYTHON ([@var{VERSION}], [@var{ACTION-IF-FOUND}], [@var{ACTION-IF-NOT-FOUND}])
+@defmac AM_PATH_PYTHON (@ovar{VERSION}, @ovar{ACTION-IF-FOUND}, @ovar{ACTION-IF-NOT-FOUND})
 
 Search for a Python interpreter on the system.  This macro takes three
 optional arguments.  The first argument, if present, is the minimum