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bug#26378: 26.0.50; Hitting 'n' during ediff gives Error

From: npostavs
Subject: bug#26378: 26.0.50; Hitting 'n' during ediff gives Error
Date: Thu, 06 Apr 2017 08:45:37 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Kaushal Modi <address@hidden> writes:

> +
> +The PROGRAM is executed asynchronously unless `system-type' is
> +`windows-nt' or `ms-dos', or unless SYNCH is non-nil.

I think the second "unless" is redundant.

> +
> +OPTIONS is a string of space-separated options to pass to PROGRAM.  It
> +may be a blank string.
> +
> +FILES is a list of filenames to pass to PROGRAM.  This list may
> +contain a nil element too.
> +
> +nil and \"\" elements in OPTIONS and FILES are ignored."

> I have tweaked this part slightly (see patch in this email). Based on the
> code, nil and "" elements will be removed from a concatenated list of
> OPTIONS and FILES; not just FILES.

But OPTIONS can't have nil or "" in it (or any "elements", really), so I
don't think there is any need to talk about that in the docstring.

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