In the Summary docs, I find:
`M-j'
Jump cursor to the message which have specified `Message-Id:'. If
`elmo-use-database' is non-nil, other folder is also searched.
(`wl-summary-jump-to-msg-by-message-id')
Doesn't that elmo-use-database exactly the kind of thing that should
be customizable?
--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com