bug#20796: [PATCH] Document behavior of sed -i -

[Stanislav Brabec]

Jim Meyering wrote:

> However, rather than documenting this surprising behavior,
> I propose to remove the anomaly altogether with the attached patch.
> Does anyone see a reason to retain the behavior of treating "-"
> like "./-"?
The reason is simple: "sed -i" makes no sense on stdin, so the special 
handling od "-" is disabled.

We can either ignore "-i" for stdin, or report error:
"Editing standard input in place is an undefined operation."

--
Best Regards / S pozdravem,

Stanislav Brabec
software developer
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