On Thu, Jan 08, 2004 at 06:22:26PM -0600, Luc Teirlinck wrote:
> I now noticed `delete-duplicates', `intersection', `set-difference'
> and `mapcan'. There probably are others. It is a mess. If there are
> not too many, then maybe they could be added to core Emacs.
mapcan, at least, should be added to core emacs I think.
If you can't beat them, arrange to have them beaten. [George Carlin]