test defs: improve a comment

* defs-static.in: Here, about the unsetting of CDPATH.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/defs-static.in b/defs-static.in
index 2a6dc62a029781b656a79905dbb7b6b203235c4b..bb7ca494d8f3731adab95c9a9e9c67948ea46ba3 100644 (file)
--- a/defs-static.in
+++ b/defs-static.in
@@ -22,7 +22,8 @@
 #   - Multiple inclusions of this file should be idempotent.
 #   - This code has to be 'set -e' clean.
 
-# CDPATH is evil if exported in the environment.
+# CDPATH is evil if used in non-interactive scripts (and even more
+# evil if exported in the environment).
 CDPATH=; unset CDPATH
 
 # Be more Bourne compatible.