🚀 go-pugleaf

I tried to set vm-virtual-folder-alist to this value.
(setq vm-virtual-folder-alist
 '(
   ("mail-foo"
    ( 
     ("mail")
     (recipient "foo")
     (author "foo")
     )
    )
   )
)

I want in mail-foo all the messages I sent to foo or I received from foo which
are in mail (my main mailbox).

But it does not seem to parse both selector (only the first one seems to be
used).

What did I do wrong?

(this is in VM 5.31)
--
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Francois Felix INGRAND                   "Read my Lisp... No new syntax" (nil)
LAAS/CNRS: felix@laas.fr      "La guerre, qu'on voit danser le long des golfes
ACS Technologies                     clairs, a des reflets d'argent" (Anonyme)