On Tue, Mar 20, 2012 at 17:59 -0700, you wrote: > I see your point, but wouldn't it suffice to provide an additional > boolean Broccoli function for that purpose? Sure, that would work as well. Robin -- Robin Sommer * Phone +1 (510) 722-6541 * robin at icir.org ICSI/LBNL * Fax +1 (510) 666-2956 * www.icir.org