:tag "Customized queries section (see docstring for details)"
:type
`(list :tag ""
- (const :tag "" notmuch-hello-insert-query-list)
+ (const :tag "" notmuch-hello-insert-searches)
(string :tag "Title for this section")
(repeat :tag "Queries"
(cons (string :tag "Name") (string :tag "Query")))