--- a/enable.sh	Wed Jun 27 12:30:10 2012 +0200
+++ b/enable.sh	Wed Jun 27 12:43:57 2012 +0200
@@ -42,7 +42,7 @@
 pstatus=status --rev .^
 
 # diff with the previous amend
-odiff=diff --rev 'limit(obsparents(.),1)' --rev .
+odiff=diff --rev 'limit(precursors(.),1)' --rev .
 EOF
 
 cat << EOF >&2