>> On Wed, 02 Feb 2000 17:25:48 GMT,
>>    ">" == Colin Rafferty <colin.rafferty@msdw.com> wrote:

    >> Matt Swift writes:
    >> The following doesn't work.  You get an error when you try to trace
    >> the split.  The same thing works with the `:' operator as expected.
    >> What am I missing, or is this a bug?

    >> (defun test-split (dummy)
    >> '(& "one" "two"))
    >> (setq nnmail-split-fancy '(! test-split "dummy"))

    >> It looks good to me.  What is the error (traceback, please)?

You mean it works for you?

It's a quoting problem:

Signaling: (wrong-type-argument sequencep &)
  mapconcat(car (("two" . "two") ("one" . "one") (& . &)) ", ")
  gnus-summary-respool-query()
  call-interactively(gnus-summary-respool-query)