Now that the nnselect Gnus backend is in, I've been able to finish the gnus-search.el library from... four years ago or more. There's a scratch/gnus-search branch in the repo but it was so old merging was a pain, so I'm going to just delete it. I've attached a work-in-progress patch. To recap: with this library, you can set `gnus-search-use-parsed-queries' non-nil, and use the same generalized search query language against all supported search engines. A query might look like: from:"my boss" mark:flag since:1w That same query would work against an IMAP group, or a nnmaildir group indexed with notmuch, or even multiple groups backed by different search engines, and the results will be collected correctly. Using nnselect, the above group could be made permanent, so you'd have a continually-updating group displaying recent important messages from your boss. Some open questions: - This patch doesn't include documentation, though I have that around here somewhere. I'll fix it up and add it. - This patch doesn't remove the nnir.el library, though that's now obsolete. I think removing it could be problematic: it's not like declaring functions/variables obsolete, where we can let people down gently. I suspect plenty of code uses (require 'nnir), which will cause blowups. Renaming gnus-search.el to nnir.el doesn't make a lot of sense, though. I'm considering leaving the nnir.el file in there, but containing nothing but a warning. - There's "clever" completion stuff in there, that allows search keys to be completed either during entry, with TAB, or programmatically, after the query has been entered. I suspect I'm not using quite the right functions, particularly `completion-in-region' which sort of looks like it's not meant to be used the way I'm using it -- it seems to return messages directly. Anyway, comments very welcome! Eric
gnus-search.diff
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