>>>>> "Lars" == Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

    Lars> Andrew Cohen <cohen@andy.bu.edu> writes:
    >> OK, so some pseudo-code: (defun gnus-summary-refer-thread () (if
    >> backend-supports-request-thread (backend-request-thread)
    >> (gnus-retrieve-headers bunch)) (gnus-summary-limit-include-thread
    >> id)) Right? I think I might be able to handle this.

    Lars> Yup.

Here is a version of gnus-summary-refer-thread as discussed, along with
a new nnimap backend function nnimap-request-thread. Only lightly
tested.