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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Wed, 4 Jul 2018 13:47:45 +0200
Message-ID: <CAKc7PVAkph0UJGRojp3+H2VVYOHWsTCLQo9iONh0TnuvMwL_=Q@mail.gmail.com>
Subject: [BUG] Ctrl-C stops working after process substitution
To: Zsh hackers list <zsh-workers@zsh.org>
Content-Type: text/plain; charset="UTF-8"

Hello,
to reproduce, copy-paste following line:

cat < <( echo this is a test )

After it executes (after pressing enter, if copying it didn't work),
press Up cursor and try hitting Ctrl-C to cancel a command. Nothing
will happen, Ctrl-C will have no effect. To dig-out of that state,
Ctrl-D, then Ctrl-C, and then Ctrl-C will work.

Zsh-5.1.1-dev-0, HEAD, checked also zsh 5.0.0 and 5.0.8.

Where to debug this, in Zsh source? Maybe someone has an idea what can
be wrong? It seems to be nasty hidden bug, but who knows, maybe an
immediate fix is possible.

-- 
Sebastian Gniazdowski
News: https://twitter.com/ZdharmaI
IRC: https://kiwiirc.com/client/chat.freenode.net:+6697/#zplugin