>>> "drc" == dick r chiang writes: > nnml-find-group-number takes a second `server` argument, which you > might hardcode to empty string, but like all things gnus, it's > fragile. > Under the info node "Summary Buffer -> Finding the Parent", some clues > are given >> Most of the mail back ends support fetching by ‘Message-ID’, but do >> not do a particularly excellent job at it. That is, ‘nnmbox’, >> ‘nnbabyl’, ‘nnmaildir’, ‘nnml’, are able to locate articles from any >> groups, while ‘nnfolder’, and ‘nnimap’ are only able to locate >> articles that have been posted to the current group. ‘nnmh’ does >> not support this at all. > I use nnimap but all my attempts at `M-x gnus-summary-refer-article` > failed. The info node goes on to say, Well, in my case I want to restrict it, for the moment, to the nnml sent mail group. So if the group is open then (beginning-of-line 1) (search-forward "Message-ID") (gnus-article-refer-article)) works