bug#42839: [PATCH] Support displaying line numbers in goto-line

[Robert Pluim]

>>>>> On Thu, 13 Aug 2020 16:17:57 +0300, Eli Zaretskii <eliz@gnu.org> said:

    >> From: Robert Pluim <rpluim@gmail.com>
    >> Date: Thu, 13 Aug 2020 10:30:01 +0200
    >> Cc: 42839@debbugs.gnu.org
    >> 
    >> And if itʼs not visible, what does showing line numbers for the lines
    >> that are visible get you?

    Eli> You can make it visible with the likes of "C-M-v".

Yes, if itʼs not too far away, in which case that would be tedious
(and entering the line number as an arg to C-M-v means typing it
twice).

Robert