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From: Zefram <zefram@dcs.warwick.ac.uk>
Message-Id: <12037.199611301811@stone.dcs.warwick.ac.uk>
Subject: bug: EOF at a continuation prompt
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Date: Sat, 30 Nov 1996 18:11:00 +0000 (GMT)
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X-US-Congress: Moronic fuckers
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% (
subsh> ^D
zsh: parse error near `\n'
> 

That bare ">" prompt shouldn't appear.  We should go back to the ZLE
prompt.  The culprit seems to be in input.c:

	/*
	 * Otherwise, see if we have reached the end of input
	 * (due to an error, or to reading from a single string).
	 */
	if (strin || errflag) {
	    lexstop = 1;
	    return lastc = ' ';
	}
	/* As a last resort, get some more input */
	if (inputline())
	    return lastc = ' ';

It looks like the first if() here should be used, but errflag is zero.
Consequently inputline() gets called.

And look what happens if you type at that extra prompt:

> ls
zsh: command not found: s

Huh?

-zefram