[FYI] {maint} test defs: improve a comment

[Stefano Lattarini]

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

Signed-off-by: Stefano Lattarini <address@hidden>
---
 defs-static.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/defs-static.in b/defs-static.in
index 2a6dc62..bb7ca49 100644
--- 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.
-- 
1.7.12.rc0