On Sat, 4 Sep 2004, Andrew Suffield wrote: > I find a decent smoke test for aggregation to be: > > Can I take these two packages on the same CD and split them apart > again, such that they are no longer aggregated, and still use them? This definition suggests that all Emacs macros are derived from Emacs, that all Perl scripts are derived from Perl, and of course that any document written in Microsoft Word is derived from Word.