On Wed, 1 Aug 2012 17:28:59 -0500 Diego Zamboni <di...@zzamboni.org> wrote: 

DZ> I believe that's what "cf_null" is supposed to be for: 
http://cfengine.com/manuals/cf3-Reference#Special-list-value-cf_005fnull

Oh, I knew this!!!  Thanks for pointing it out again, my brain is off
today I guess.

DZ> But it's not truly an empty list, just for iteration.

Yup.  Perhaps it could be returned by splitstring() instead of { "" }?

Ted
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