Tuesday, October 10, 2017

scrolloff side effects are bothersome

I've long used scrolloff intermittantly, but recently I tried adding it
to my vimrc. I'm finding myself unhappy now.

Straight from the scrolloff docs:

*'scrolloff'* *'so'*
'scrolloff' 'so' number (default 0, set to 5 in |defaults.vim|)
global
{not in Vi}
Minimal number of screen lines to keep above and below the cursor.
This will make some context visible around where you are working. If
you set it to a very large value (999) the cursor line will always be
in the middle of the window (except at the start or end of the file or
when long lines wrap).
For scrolling horizontally see 'sidescrolloff'.
NOTE: This option is set to 0 when 'compatible' is set.

Not at all mentioned there is that the H and L movements are changed. As
someone with a long habit of using yH and yL (or >>L, or dH, etc),
trying to use scrolloff is annoying.

Consider a large file, like .../libdata/vim/vim80/doc/options.txt
You can open that file with ":help scrolloff" right now. Then try
":set scrolloff=0" <return> and "MyH", depending on screensize you get
something like "12 lines yanked". Now try ":set scrolloff=999" and then
"MyH" again. Now only the current line is yanked.

What I would *expect* and what I would like is if H and L movements were
not affected by scrolloff, and yanks, deletes, etc worked again to top
and bottom of the screen. And if actually moving to top or bottom with a
bare H or L, I'd expect the cursor to move, *and* the screen to scroll
according to scrolloff.

Doesn't this bother other people? Or does no one use scrolloff?

Elijah

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