Please consider merging the attached patch file. Thanks!
--
Best regards,
Michael
From 81586c404e6a74090b07eb6425f895c8c015338a Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <mich...@i3wm.org>
Date: Sun, 16 Oct 2016 18:32:44 +0200
Subject: [PATCH] texinfo: add pointer about combining tests
---
doc/automake.texi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/doc/automake.texi b/doc/automake.texi
index ecfbbc8..cc4aade 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -10546,6 +10546,12 @@ must arrange for @emph{every} @code{AM_CONDITIONAL} to be invoked every
time @command{configure} is run. If @code{AM_CONDITIONAL} is run
conditionally (e.g., in a shell @code{if} statement), then the result
will confuse @command{automake}.
+
+See
+@uref{http://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html#tag_20_128_16,
+"test" APPLICATION NOTES in IEEE Std 1003.1-2008} for more details as to why to
+prefer @code{&&} and @code{||} when combining tests in @var{condition} (e.g.,
+use @code{test expr1 && test expr2}).
@end defmac
@cindex @option{--enable-debug}, example
--
2.9.3
