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From: Vincent Bernat <bernat@luffy.cx>
To: zsh-users@zsh.org
Subject: make history-complete-older do nothing on empty string
Date: Wed, 18 Apr 2018 07:21:35 +0200
Message-ID: <m3tvs9um1s.fsf@luffy.cx>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)
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Content-Type: text/plain

Hey!

I sometime hit M-/ by error and this invokes history-complete-older
which then blocks when the current word is empty and it takes me 5-10
seconds to be able to "kill" it. Is there a way to teach this function
to not complete anything on empty (or one-char) input?

Thanks!
-- 
The abuse of greatness is when it disjoins remorse from power.
		-- William Shakespeare, "Julius Caesar"