bug#47432: 28.0.50; Dired using ! or & on file should fail without command supplied

[Andreas Schwab]

On Mär 28 2021, Lars Ingebrigtsen wrote:

> I think that would be a bit odd.  But I see that the doc string doesn't
> explicitly say that happens here, so I've added the following sentence
> to the doc string in Emacs 28:
>
> ----
> When executing, FILE-LIST is appended to the COMMAND string.
> ----

No, this is very wrong.  The docstring already adequately and correctly
documents that case:

    Otherwise, this runs COMMAND on each file individually with the
    file name added at the end of COMMAND (separated by a space).

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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