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bug#34123: A patch to fix reading EOF characters in non-interactive mode

From: Shawn Presser
Subject: bug#34123: A patch to fix reading EOF characters in non-interactive mode
Date: Mon, 21 Jan 2019 02:59:36 -0600

Hi, just checking in. I wanted to thank you for taking the time to reply and ask about this bug. It's my first emacs patch and I'm not entirely sure if I'm following the process correctly here. I'd like to try answering your questions more succinctly.

Is there a "next step" at this point, or something that I can do to help with emacs in general?

On Fri, Jan 18, 2019 at 10:29 AM Eli Zaretskii <address@hidden> wrote:
> From: Shawn Presser <address@hidden>
> Date: Fri, 18 Jan 2019 10:20:54 -0600
> Cc: address@hidden
> It's non-interactive:
> arc> |noninteractive|
> t
> (The _expression_ |noninteractive| in arcmacs is equivalent to evaluating 'noninteractive in emacs lisp.)
> The runtimes start by invoking emacs using `emacs -Q --script ...`, so it's always noninteractive. And in
> general for writing shell scripts rather than repls, it's important to be in noninteractive mode. But it's equally
> important to have the ability to prompt the user from a shell script, and for the user to be able to cancel by
> using ^D without causing stdin errors on all subsequent prompts.

I think we are miscommunicating, since your usage involves Emacs
reading from the terminal.  That is not noninteractive in my book.
What I mean by noninteractive is when stdin is not connected to a
terminal.  Your proposed patch affects that case as well, doesn't it?

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