> 3. When syncing a filter folder, after receiving a list of searched > messages, WL will attempt to perform a complete sync. This complete > sync is not necessary because we know there are no deletions, only > new messages. This is fixed here: I think "we know there are no deletions, only new messages" is not true. In "/last:20/+inbox" folder, I confirmed deletion occurs when I enter the folder after new messages are added in "+inbox" folder. Please see the attached patch (though which does not contain all of your optimization for elmo-filter.el). -- Kazuhiro Ito
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imap_opt.diff
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