GNU bug report logs - #31717
26.1; display-line-numbers-mode enlarges indicator without need

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Message #11 received at 31717 <at> debbugs.gnu.org (full text, mbox):

From: Carlos Pita <carlosjosepita <at> gmail.com>
To: 31717 <at> debbugs.gnu.org
Date: Tue, 5 Jun 2018 00:30:10 -0300

A little more experimentation with different windows sizes made me
realize that the <70 hard and fast rule doesn't exist. Now I see the
threshold indeed depends on the window size. But it is still too
conservative, leading to premature enlargement of the line number
space.

I suggest three optimizations in order of assumed (wild guessed)
ascending difficulty:

1. For relative/visual modes never reserve extra space.
2. If the lines in the file are < N never reserve extra space for >= N.
3. Take also into account the remaining window lines (I assume this is
not as easy as it sounds).

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