bug#46621: Copy line

[Lars Ingebrigtsen]

Mattias Engdegård <mattiase@acm.org> writes:

> There does not seem to be any significant benefit from omitting the
> region-sensitive behaviour.

The benefit of adding the region sensitive behaviour seems even
slighter, and the problem is, as I said, that it subverts the
(currently) clear semantics the new command has.

For instance, if you mark one and a half line, and say `C-u 5 M-x
duplicate-line', you'll get something that nobody wants -- ever.  There
might be some utility if the region version also worked on lines -- that
is, it inserts that it only inserts new complete lines.

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