Allow to continue Tab completion after other input activity
It often happens that you type 'fhi ho' to auto-complete 'friend', but realize that it auto-completed 'foe' instead, so you ^H^H^H what you entered back to 'foe: ', press and expect to get 'friend: ', but end up with 'foe: foe ' instead. It would be great if the tab-completion could work forward from that to complete the next nickname. Thanks!
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