--- src/cmd/INIT/mamprobe.sh.orig	2007-03-25 12:00:55.000000000 +0200
+++ src/cmd/INIT/mamprobe.sh	2007-03-25 12:04:13.000000000 +0200
@@ -219,7 +219,7 @@
 
 # STD* are standard commands/flags with possible execrate(1)
 
-if	( ed ) < /dev/null > /dev/null 2>&1
+if	( ed -V ) < /dev/null > /dev/null 2>&1
 then	STDED=ed
 else	STDED=ex
 fi