(Shell Substitutions): test -n -> test -z,

to fix a mismatch between example and discussion.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index dbe0974108c51c4471668abc78a649a63013f56c..ea583223e7bb70e484a7f1c7ee19a40eeff42636 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -9159,7 +9159,7 @@ use @samp{test -z "`cd /`"} because the following can happen:
 @example
 $ @kbd{pwd}
 /tmp
-$ @kbd{test -n "`cd /`" && pwd}
+$ @kbd{test -z "`cd /`" && pwd}
 /
 @end example