bug#64185: proposal for new function: copy-line

[Robert Pluim]

>>>>> On Fri, 23 Jun 2023 10:19:18 +0300, Eli Zaretskii <eliz@gnu.org> said:

    >> The first thing that springs to mind here is "where on the line is
    >> point placed?". At the beginning, end, same column as when
    >> duplicate-line was invoked? (I know I could just read the code, but
    >> the caffeine hasnʼt kicked in yet :-))

    Eli> This is a NEWS entry, it doesn't have to provide such details.  The
    Eli> doc string should, so if these details are missing from the doc
    Eli> string, it should be improved to include them.

The doc string doesnʼt provide those details

Robert
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