Org-mode.
I have a big tasks tree and I want to select only 1 in buffer (write notes just for it) and hide others while editing.
How can I do this?
task-1
subtask-1.1
subtask-1.2
task-2
subtask2.1
...
...
For example I want to display for me only:
subtask-1.2
(notes for this subtask)