improvements

1 files changed, 1 insertions, 1 deletions

diff --git a/pf b/pf
index 95c8e92..0358689 100755
--- a/pf
+++ b/pf
@@ -12,7 +12,7 @@ get_children () {
 
 get_ancestors () {
 	case $1 in
-		1|'')	:
+		0|1|'')	:
 	;;	*)	get_ancestors $(get_parent $1)
 	esac
 	echo "$1"