Re: 3zo should open fold upto depth of 3

esquifit <esquifit <at> googlemail.com> writes:
|On Tuesday, March 17, 2015 at 10:08:44 PM UTC+2, Paul wrote:
|> According to the documentation for folds, the command 3zo should
|> open folds to a depth of 3. When I move the cursor to a top-level
|> fold and enter 3zo, it's as if I only entered zo, i.e. only the top
|> level fold opens. I have foldmethod=indent. There are in fact
|> subfolds at levels 2 and 3 within the top level fold.
|>
|> Can anyone corroborate this behaviour? Am I misinterpretting the
|> help? How can I get the effect I seek, i.e., open a fold by a
|> certain depth?
|
| This is what I observe:
|
| It will behave as described in the help if the cursor were inside
| the folded region at the time the folded was closed. If you're
| moving from outside the fold and put the cursor over the closed
| fold, this will correspond to the first line of the folded region.
| Normally, this line belongs only to the topmost fold level, so
| making 3zo will be no different from zo.
|
| Example:
| * Place the cursor on a 3-deep nested fold and type 3zc. Vim will
| fold three levels upwards. Your cursor is still inside the folder
| region.
|
| * Do 3zo and Vim will open up the fold up to level 3.
| * Now do 3zc and move the cursor outside the closed fold.
|
| * Place the cursor again over the closed fold and type 3zo. Only one
| level will be unfolded, because the cursor is on the first line of
| the region, which has no deeper fold-level than 1.

Ah, so it limits the opening of a nested fold down *toward* the
location of the cursor rather than down *from* the cursor. I wonder
if there is a way to limit the opening of folds down from the cursor?
The normal-mode command zr for opening of folds is global in scope
(meaning throughout the current window, not throughout all windows &
buffers).

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