Dave, A few of those modules are supposed to be removed in 1.6, according to the notes in the DEPRECATED file. I've marked them. Brian O. On Feb 13, 2008, at 6:06 AM, Dave Messina wrote: > I've made a first go at dividing the current bioperl core along > these lines > here: > http://www.bioperl.org/wiki/Proposed_1.6_core_modules