Iterator troubles under version 2.2.3-5.fc8

Hi, I noticed a bit of different behavior w.r.t iterators between an older
version of cfengine (2.1.22) and a recent version in F8.  Given the
following input file:

   # cat cf.test 
   control: 
	   any::
		   actionsequence  = ( shellcommands )
		   iterator1       = ( a:b )
		   iterator2       = ( y:z )

   shellcommands:

	   any::
		   "/bin/bash -c '/bin/echo $1 $2' $(iterator1) $(iterator2)"

I get the following different behavior:

############## 2.2.3 ##############

# cfagent -vqxK --file ./cf.test
Reference time set to Thu Sep  4 12:44:02 2008

GNU Configuration Engine - 
2.2.3

[[ snip ]]

cfengine:cuda: 
Executing script /bin/bash -c '/bin/echo $1 $2' a y...(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:cuda:/bin/bash -c '/: y
cfengine:cuda: Finished script /bin/bash -c '/bin/echo $1 $2' a y
Performance(Exec(/bin/bash -c '/bin/echo $1 $2' a y)): time=0.0044 secs, av=0.0043 +/- 0.0065
cfengine:cuda: 
Executing script /bin/bash -c '/bin/echo $1 $2' a z...(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:cuda:/bin/bash -c '/: z
cfengine:cuda: Finished script /bin/bash -c '/bin/echo $1 $2' a z
Performance(Exec(/bin/bash -c '/bin/echo $1 $2' a z)): time=0.0042 secs, av=0.0042 +/- 0.0065


############## 2.1.22 ##############

# ./usr/sbin/cfagent -vqxK --file ./cf.test
Setting cfengine new port to 48148
Setting cfengine old port to 5308
Reference time set to Thu Sep  4 12:46:43 2008

GNU Configuration Engine - 
2.1.22

[[ snip ]]

cfengine:cuda: Executing script /bin/bash -c '/bin/echo $1 $2' a y...(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:cuda:/bin/bash -c '/: y
cfengine:cuda: Finished script /bin/bash -c '/bin/echo $1 $2' a y
cfengine:cuda: Executing script /bin/bash -c '/bin/echo $1 $2' a z...(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:cuda:/bin/bash -c '/: z
cfengine:cuda: Finished script /bin/bash -c '/bin/echo $1 $2' a z
cfengine:cuda: Executing script /bin/bash -c '/bin/echo $1 $2' b y...(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:cuda:/bin/bash -c '/: y
cfengine:cuda: Finished script /bin/bash -c '/bin/echo $1 $2' b y
cfengine:cuda: Executing script /bin/bash -c '/bin/echo $1 $2' b z...(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:cuda:/bin/bash -c '/: z
cfengine:cuda: Finished script /bin/bash -c '/bin/echo $1 $2' b z


Any help with this problem appreciated!

Daryl